Severe Weather April 9/10/11 Upper Midwest & Deep South
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WeatherGuesser
- Category 5
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WeatherGuesser
- Category 5
- Posts: 2672
- Joined: Tue Jun 29, 2010 6:46 am
http://www.cnn.com/2011/US/04/10/iowa.s ... er/?hpt=T1
The National Weather Service in Des Moines reported tornado sightings by storm chasers and trained spotters in as many as 11 towns and cities northern and west central Iowa over a four-hour period Saturday night.
At least three of the twisters, including the Mapleton tornado, caused significant damage, according to Frank Boksa, a National Weather Service meteorologist.
In Early, a town of 1,600 residents, a tornado ripped roofs off buildings and homes and uprooted large trees, authorities said. There were no reports of injuries in that town. In Schaller, a twister knocked down a dozen trees and felled multiple power poles, the weather service reported.
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brunota2003
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I am watching that same complex move across Canada now. The southern cell is still very strong (gr estimates hail max with it of 1.7 inches), and looks like it is holding together well. Another couple hours and it'll be pushing into the Buffalo area. I won't get the cell, but the heavier rains to the north of it I will.
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srainhoutx
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Re: Severe Weather April 9/10 Upper Midwest
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1118 AM CDT SUN APR 10 2011
VALID 101630Z - 111200Z
...THERE IS A MDT RISK OF SVR TSTMS THIS AFTERNOON AND EVENING OVER
PARTS OF SOUTHEAST MN...NORTHEAST IA...NORTHWEST IL...MUCH OF
WI...AND WESTERN UPPER MI...
...THERE IS A SLGT RISK OF SVR TSTMS FROM THE GREAT LAKES REGION
INTO CENTRAL TX...
...CONDITIONS STILL APPEAR FAVORABLE FOR A REGIONAL OUTBREAK OF
SEVERE THUNDERSTORMS INCLUDING POTENTIAL FOR STRONG TORNADOES LATER
THIS AFTERNOON AND EVENING OVER PORTIONS OF UPPER MISSISSIPPI VALLEY
AND ADJACENT WESTERN GREAT LAKES...
DEEP WRN UPPER TROUGH NOW MOVING BODILY EWD INTO PLAINS WITH A VERY
STRONG...100-130 KT...MID/UPR JET APPROACHING THE UPPER MS VALLEY
FROM THE CENTRAL PLAINS. THIS WILL PROVIDE THE LARGE SCALE ASCENT
AND SHEAR TO DRIVE A SEVERE THUNDERSTORM OUTBREAK ONCE SURFACE BASED
CONVECTION IS ABLE TO INITIATE.
WITH THE SURFACE LOW SWRN MN DEEPENING NEWD ACROSS LAKE SUPERIOR BY
TONIGHT...STRONG SLY LOW LEVEL JET WILL CONTINUE SPREADING MOISTURE
NWD ACROSS WI INTO WRN GREAT LAKES. A PRONOUNCED EML WITH STEEP
LAPSE RATES PREVAILS ABOVE THE MOIST BOUNDARY LAYER AND WILL AID IN
VERY RAPID THUNDERSTORM DEVELOPMENT VICINITY OF THE COLD FRONT WHICH
BY MID AFTERNOON WILL EXTEND SWD FROM SURFACE LOW EXPECTED TO BE
BETWEEN DLH AND MSP INTO NERN IA.
SUPERCELL THUNDERSTORMS SHOULD DEVELOP RAPIDLY AS SURFACE TEMPS RISE
INTO THE LOW 80S BY MID AFTERNOON IN SERN MN/ERN IA WHERE MLCAPES
AOA 2000 J/KG WILL BE IN PLACE. FORECAST SOUNDINGS AT THE TIME OF
EXPECTED INITIATION SHOW EFFECTIVE HELICITY VALUES OF 250-400 MS/S2
AND VERY STRONG DEEP LAYER VERTICAL SHEAR.
SUPERCELLS WILL BE THE MODE OF THE DAY ALONG WITH POTENTIAL FOR VERY
LARGE HAIL AND TORNADOES. A COUPLE LONG LIVED SUPERCELLS ARE LIKELY
LATER THIS AFTERNOON AND EVENING ACROSS WI WITH THE THREAT FOR
STRONG...LONG TRACK TORNADOES. STORMS WILL MOVE VERY FAST...IN
EXCESS OF 50KT...GIVEN THE STRENGTH OF THE WIND FIELDS ALOFT.
SUPERCELLS ALONG WITH A TORNADO THREAT COULD SPREAD AS FAR N AS
PORTIONS OF THE WRN UP OF MI PRIOR TO ENCOUNTERING COOLER/STABLE
BOUNDARY LAYER THIS EVENING.
HIGH RES MODELS SUGGEST THAT STORMS EVOLVE INTO A FORWARD
PROPAGATING MCS ACROSS THE UP OF MI LATE EVENING DRIVEN BY THE
INTENSIFYING WIND FIELDS AS SURFACE LOW CONTINUES TO DEEPEN NEWD
ACROSS LAKE SUPERIOR. THUS HAVE RAISED THE WIND DAMAGE PROBS THIS
AREA...EVEN THOUGH STORMS BY THEN COULD BE SOMEWHAT ELEVATED.
...MID MS VALLEY TO ARKLATEX...
IT WILL TAKE MUCH OF THE AFTERNOON TO ERODE THE CAP ALONG THE SWD
EXTENSION OF THE COLD FRONT/DRY LINE. HOWEVER THE STRONG DEEP LAYER
SHEAR WITH THE ADVANCING UPPER TROUGH COUPLED WITH THE STEEP
EML...SUPPORT SEVERE THUNDERSTORMS ONCE SURFACE INITIATION OCCURS.
AGAIN SUPERCELLS EXPECTED TO BE THE EARLY MODE WITH LARGE
HAIL/DAMAGING WINDS AND ISOLATED TORNADOES POSSIBLE. DURING THE
LATE EVENING TRANSITION TO A MORE LINEAR MODE LIKELY WITH A
CONTINUED SEVERE THREAT.
..HALES/STOPPKOTTE.. 04/10/2011
NWS STORM PREDICTION CENTER NORMAN OK
1118 AM CDT SUN APR 10 2011
VALID 101630Z - 111200Z
...THERE IS A MDT RISK OF SVR TSTMS THIS AFTERNOON AND EVENING OVER
PARTS OF SOUTHEAST MN...NORTHEAST IA...NORTHWEST IL...MUCH OF
WI...AND WESTERN UPPER MI...
...THERE IS A SLGT RISK OF SVR TSTMS FROM THE GREAT LAKES REGION
INTO CENTRAL TX...
...CONDITIONS STILL APPEAR FAVORABLE FOR A REGIONAL OUTBREAK OF
SEVERE THUNDERSTORMS INCLUDING POTENTIAL FOR STRONG TORNADOES LATER
THIS AFTERNOON AND EVENING OVER PORTIONS OF UPPER MISSISSIPPI VALLEY
AND ADJACENT WESTERN GREAT LAKES...
DEEP WRN UPPER TROUGH NOW MOVING BODILY EWD INTO PLAINS WITH A VERY
STRONG...100-130 KT...MID/UPR JET APPROACHING THE UPPER MS VALLEY
FROM THE CENTRAL PLAINS. THIS WILL PROVIDE THE LARGE SCALE ASCENT
AND SHEAR TO DRIVE A SEVERE THUNDERSTORM OUTBREAK ONCE SURFACE BASED
CONVECTION IS ABLE TO INITIATE.
WITH THE SURFACE LOW SWRN MN DEEPENING NEWD ACROSS LAKE SUPERIOR BY
TONIGHT...STRONG SLY LOW LEVEL JET WILL CONTINUE SPREADING MOISTURE
NWD ACROSS WI INTO WRN GREAT LAKES. A PRONOUNCED EML WITH STEEP
LAPSE RATES PREVAILS ABOVE THE MOIST BOUNDARY LAYER AND WILL AID IN
VERY RAPID THUNDERSTORM DEVELOPMENT VICINITY OF THE COLD FRONT WHICH
BY MID AFTERNOON WILL EXTEND SWD FROM SURFACE LOW EXPECTED TO BE
BETWEEN DLH AND MSP INTO NERN IA.
SUPERCELL THUNDERSTORMS SHOULD DEVELOP RAPIDLY AS SURFACE TEMPS RISE
INTO THE LOW 80S BY MID AFTERNOON IN SERN MN/ERN IA WHERE MLCAPES
AOA 2000 J/KG WILL BE IN PLACE. FORECAST SOUNDINGS AT THE TIME OF
EXPECTED INITIATION SHOW EFFECTIVE HELICITY VALUES OF 250-400 MS/S2
AND VERY STRONG DEEP LAYER VERTICAL SHEAR.
SUPERCELLS WILL BE THE MODE OF THE DAY ALONG WITH POTENTIAL FOR VERY
LARGE HAIL AND TORNADOES. A COUPLE LONG LIVED SUPERCELLS ARE LIKELY
LATER THIS AFTERNOON AND EVENING ACROSS WI WITH THE THREAT FOR
STRONG...LONG TRACK TORNADOES. STORMS WILL MOVE VERY FAST...IN
EXCESS OF 50KT...GIVEN THE STRENGTH OF THE WIND FIELDS ALOFT.
SUPERCELLS ALONG WITH A TORNADO THREAT COULD SPREAD AS FAR N AS
PORTIONS OF THE WRN UP OF MI PRIOR TO ENCOUNTERING COOLER/STABLE
BOUNDARY LAYER THIS EVENING.
HIGH RES MODELS SUGGEST THAT STORMS EVOLVE INTO A FORWARD
PROPAGATING MCS ACROSS THE UP OF MI LATE EVENING DRIVEN BY THE
INTENSIFYING WIND FIELDS AS SURFACE LOW CONTINUES TO DEEPEN NEWD
ACROSS LAKE SUPERIOR. THUS HAVE RAISED THE WIND DAMAGE PROBS THIS
AREA...EVEN THOUGH STORMS BY THEN COULD BE SOMEWHAT ELEVATED.
...MID MS VALLEY TO ARKLATEX...
IT WILL TAKE MUCH OF THE AFTERNOON TO ERODE THE CAP ALONG THE SWD
EXTENSION OF THE COLD FRONT/DRY LINE. HOWEVER THE STRONG DEEP LAYER
SHEAR WITH THE ADVANCING UPPER TROUGH COUPLED WITH THE STEEP
EML...SUPPORT SEVERE THUNDERSTORMS ONCE SURFACE INITIATION OCCURS.
AGAIN SUPERCELLS EXPECTED TO BE THE EARLY MODE WITH LARGE
HAIL/DAMAGING WINDS AND ISOLATED TORNADOES POSSIBLE. DURING THE
LATE EVENING TRANSITION TO A MORE LINEAR MODE LIKELY WITH A
CONTINUED SEVERE THREAT.
..HALES/STOPPKOTTE.. 04/10/2011
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TwisterFanatic
- Category 5
- Posts: 1041
- Joined: Mon Jun 28, 2010 12:43 pm
- Location: Sallisaw, Oklahoma
Re: Severe Weather April 9/10 Upper Midwest
From last night..
Pic from Reed.
Pic from Reed.
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Personal Forecast Disclaimer:
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
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CrazyC83
- Professional-Met
- Posts: 34002
- Joined: Tue Mar 07, 2006 11:57 pm
- Location: Deep South, for the first time!
ZCZC SPCPWOSPC ALL
WOUS40 KWNS 101620
IAZ000-ILZ000-MIZ000-MNZ000-WIZ000-110200-
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1120 AM CDT SUN APR 10 2011
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE UPPER MISSISSIPPI
VALLEY FROM MID TO LATE AFTERNOON THROUGH EARLY THIS EVENING...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF A FEW STRONG TORNADOES OVER PARTS OF THE UPPER
MISSISSIPPI VALLEY FROM THE MID-LATE AFTERNOON INTO THE EARLY
EVENING HOURS
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
NORTHEASTERN IOWA
EXTREME NORTHWEST ILLINOIS
WESTERN UPPER MICHIGAN
SMALL PART OF EAST-CENTRAL AND SOUTHEAST MINNESOTA
MUCH OF WISCONSIN
ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM THE CENTRAL AND
UPPER GREAT LAKES REGION SOUTHWEST INTO THE EASTERN PARTS OF THE
CENTRAL AND SOUTHERN PLAINS.
...KEY WEATHER PLAYERS...
A POTENT STORM SYSTEM OVER THE CENTRAL HIGH PLAINS WILL MOVE
NORTHEAST INTO THE MIDWEST AND GREAT LAKES THIS AFTERNOON AND
TONIGHT. AHEAD OF THIS FEATURE...WARM AND MOIST AIR IS STREAMING
NORTHWARD AHEAD OF A COLD FRONT... RESULTING IN SEASONABLY STRONG
INSTABILITY NEEDED TO SUPPORT SEVERE THUNDERSTORMS.
...TIMING...
THE ATMOSPHERE IS BECOMING INCREASINGLY UNSTABLE AS MORNING CLOUDS
DISSOLVE. SEVERE THUNDERSTORMS WILL LIKELY DEVELOP FROM NORTHWEST
WISCONSIN...EAST-CENTRAL/SOUTHEAST MINNESOTA AND NORTHEASTERN IOWA
IN THE 300-500 PM CDT. THE STORMS WILL THEN DEVELOP/MOVE THROUGHOUT
MUCH OF WISCONSIN...WESTERN UPPER MICHIGAN AND NORTHWESTERN ILLINOIS
THROUGH EARLY EVENING.
...IMPACTS...
THUNDERSTORMS THAT DEVELOP LATER TODAY WILL LIKELY GROW INTO
SUPERCELLS WITH THREAT FOR A FEW STRONG TORNADOES...PARTICULARLY
ACROSS THE MODERATE RISK AREA. ADDITIONALLY...VERY LARGE
HAIL...GREATER THAN HEN EGG SIZE...WILL BE LIKELY ALONG WITH
DAMAGING WIND GUSTS.
STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS DEVELOPING
SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO REVIEW SEVERE
WEATHER SAFETY RULES AND TO LISTEN TO RADIO...TELEVISION...AND NOAA
WEATHER RADIO FOR POSSIBLE WATCHES...WARNINGS...AND STATEMENTS LATER
TODAY.
..DIAL/RACY/HART.. 04/10/2011
$$
WOUS40 KWNS 101620
IAZ000-ILZ000-MIZ000-MNZ000-WIZ000-110200-
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1120 AM CDT SUN APR 10 2011
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE UPPER MISSISSIPPI
VALLEY FROM MID TO LATE AFTERNOON THROUGH EARLY THIS EVENING...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF A FEW STRONG TORNADOES OVER PARTS OF THE UPPER
MISSISSIPPI VALLEY FROM THE MID-LATE AFTERNOON INTO THE EARLY
EVENING HOURS
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
NORTHEASTERN IOWA
EXTREME NORTHWEST ILLINOIS
WESTERN UPPER MICHIGAN
SMALL PART OF EAST-CENTRAL AND SOUTHEAST MINNESOTA
MUCH OF WISCONSIN
ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM THE CENTRAL AND
UPPER GREAT LAKES REGION SOUTHWEST INTO THE EASTERN PARTS OF THE
CENTRAL AND SOUTHERN PLAINS.
...KEY WEATHER PLAYERS...
A POTENT STORM SYSTEM OVER THE CENTRAL HIGH PLAINS WILL MOVE
NORTHEAST INTO THE MIDWEST AND GREAT LAKES THIS AFTERNOON AND
TONIGHT. AHEAD OF THIS FEATURE...WARM AND MOIST AIR IS STREAMING
NORTHWARD AHEAD OF A COLD FRONT... RESULTING IN SEASONABLY STRONG
INSTABILITY NEEDED TO SUPPORT SEVERE THUNDERSTORMS.
...TIMING...
THE ATMOSPHERE IS BECOMING INCREASINGLY UNSTABLE AS MORNING CLOUDS
DISSOLVE. SEVERE THUNDERSTORMS WILL LIKELY DEVELOP FROM NORTHWEST
WISCONSIN...EAST-CENTRAL/SOUTHEAST MINNESOTA AND NORTHEASTERN IOWA
IN THE 300-500 PM CDT. THE STORMS WILL THEN DEVELOP/MOVE THROUGHOUT
MUCH OF WISCONSIN...WESTERN UPPER MICHIGAN AND NORTHWESTERN ILLINOIS
THROUGH EARLY EVENING.
...IMPACTS...
THUNDERSTORMS THAT DEVELOP LATER TODAY WILL LIKELY GROW INTO
SUPERCELLS WITH THREAT FOR A FEW STRONG TORNADOES...PARTICULARLY
ACROSS THE MODERATE RISK AREA. ADDITIONALLY...VERY LARGE
HAIL...GREATER THAN HEN EGG SIZE...WILL BE LIKELY ALONG WITH
DAMAGING WIND GUSTS.
STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS DEVELOPING
SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO REVIEW SEVERE
WEATHER SAFETY RULES AND TO LISTEN TO RADIO...TELEVISION...AND NOAA
WEATHER RADIO FOR POSSIBLE WATCHES...WARNINGS...AND STATEMENTS LATER
TODAY.
..DIAL/RACY/HART.. 04/10/2011
$$
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vbhoutex
- Storm2k Executive
- Posts: 29112
- Age: 73
- Joined: Wed Oct 09, 2002 11:31 pm
- Location: Cypress, TX
- Contact:
Re: Severe Weather April 9/10 Upper Midwest
TwisterFanatic wrote:From last night..
http://img716.imageshack.us/img716/6950 ... 554169.jpg
Pic from Reed.
I know that isn't the Mapleton, IA tornado. Do you know which one this was?
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Skywarn, C.E.R.T.
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CrazyC83
- Professional-Met
- Posts: 34002
- Joined: Tue Mar 07, 2006 11:57 pm
- Location: Deep South, for the first time!
Re: Severe Weather April 9/10 Upper Midwest
Way up at the Canadian border in far northern Minnesota.
WUUS53 KDLH 101745
SVRDLH
MNC075-137-101845-
/O.NEW.KDLH.SV.W.0006.110410T1745Z-110410T1845Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DULUTH MN
1245 PM CDT SUN APR 10 2011
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN LAKE COUNTY IN NORTHEAST MINNESOTA...
NORTHERN ST. LOUIS COUNTY IN NORTHEAST MINNESOTA...
* UNTIL 145 PM CDT
* AT 1240 PM CDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM
PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 80
MPH. THIS STORM WAS LOCATED 5 MILES NORTHEAST OF COOK...AND MOVING
EAST AT 45 MPH.
SIGNIFICANT WIND DAMAGE WAS REPORTED WITH THIS STORM WEST OF COOK.
THIS IS A DANGEROUS STORM.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
VERMILLION LAKE AROUND 1250 PM CDT.
TROUT LAKE AROUND 100 PM CDT.
CUMMINGS LAKE AROUND 110 PM CDT.
BIG MOOSE LAKE AROUND 115 PM CDT.
BIG LAKE AROUND 120 PM CDT.
FOURTOWN LAKE AROUND 130 PM CDT.
BASSWOOD LAKE AROUND 145 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
HAIL. SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.
&&
LAT...LON 4822 9185 4821 9172 4812 9167 4810 9154
4805 9156 4808 9148 4807 9137 4796 9118
4783 9174 4777 9274 4803 9278 4827 9200
TIME...MOT...LOC 1745Z 251DEG 41KT 4793 9254
WIND...HAIL 80MPH 1.00IN
$$
LAMERS
WUUS53 KDLH 101745
SVRDLH
MNC075-137-101845-
/O.NEW.KDLH.SV.W.0006.110410T1745Z-110410T1845Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DULUTH MN
1245 PM CDT SUN APR 10 2011
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN LAKE COUNTY IN NORTHEAST MINNESOTA...
NORTHERN ST. LOUIS COUNTY IN NORTHEAST MINNESOTA...
* UNTIL 145 PM CDT
* AT 1240 PM CDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM
PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 80
MPH. THIS STORM WAS LOCATED 5 MILES NORTHEAST OF COOK...AND MOVING
EAST AT 45 MPH.
SIGNIFICANT WIND DAMAGE WAS REPORTED WITH THIS STORM WEST OF COOK.
THIS IS A DANGEROUS STORM.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
VERMILLION LAKE AROUND 1250 PM CDT.
TROUT LAKE AROUND 100 PM CDT.
CUMMINGS LAKE AROUND 110 PM CDT.
BIG MOOSE LAKE AROUND 115 PM CDT.
BIG LAKE AROUND 120 PM CDT.
FOURTOWN LAKE AROUND 130 PM CDT.
BASSWOOD LAKE AROUND 145 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
HAIL. SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.
&&
LAT...LON 4822 9185 4821 9172 4812 9167 4810 9154
4805 9156 4808 9148 4807 9137 4796 9118
4783 9174 4777 9274 4803 9278 4827 9200
TIME...MOT...LOC 1745Z 251DEG 41KT 4793 9254
WIND...HAIL 80MPH 1.00IN
$$
LAMERS
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CrazyC83
- Professional-Met
- Posts: 34002
- Joined: Tue Mar 07, 2006 11:57 pm
- Location: Deep South, for the first time!
Re: Severe Weather April 9/10 Upper Midwest
New watch coming. Could be a PDS watch given the wording.
MESOSCALE DISCUSSION 0396
NWS STORM PREDICTION CENTER NORMAN OK
0130 PM CDT SUN APR 10 2011
AREAS AFFECTED...EXTREME SERN MN...NERN IA...NWRN IL AND MUCH OF WI
CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY
VALID 101830Z - 102030Z
OUTBREAK OF SEVERE STORMS IS EXPECTED THIS AFTERNOON...INITIALLY
FROM ERN MN THROUGH NERN IA...THEN SPREADING RAPIDLY EWD THROUGH WI
AND EXTREME NWRN IL. SUPERCELLS WITH STRONG TORNADOES...VERY LARGE
HAIL AND DAMAGING WIND WILL BE THE MAIN THREATS. A TORNADO WATCH
WILL LIKELY BE ISSUED BY 20Z.
THIS AFTERNOON A COLD FRONT EXTENDS FROM A DEEP LOW PRESSURE AREA IN
E-CNTRL MN SSWWD THROUGH SRN MN...NWRN IA INTO SERN NEB WITH A WARM
FRONT FROM THE SURFACE LOW IN E-CNTRL MN THROUGH NRN WI. THE LOW
WILL DEVELOP EWD TO NEAR THE WI BORDER BY 21Z. NEWD ADVECTION OF
HIGHER THETA-E AIR ALONG A STRONG SSWLY LLJ BENEATH EML PLUME /8.5
C/KM LAPSE RATES/ AND DIABATIC WARMING IS RESULTING IN NEWD
DESTABILIZATION WITH TIME. HOWEVER...THE BOUNDARY LAYER REMAINS
CAPPED BY THE WARM EML AS EVIDENCED BY 18Z MINNEAPOLIS SOUNDING.
UPPER JET IS SHIFTING NEWD INTO THE UPPER MS VALLEY. RAPID ACCAS
DEVELOPMENT RECENTLY OBSERVED FROM NERN IA THROUGH SWRN WI IS LIKELY
INDICATIVE OF NEWD EXPANDING ZONE OF AGEOSTROPHIC FORCING WITHIN THE
UPPER JET EXIT REGION. THIS FORCING IN CONJUNCTION WITH FRONTAL
CONVERGENCE WILL LIKELY MAINTAIN A DEEPER ZONE OF ASCENT THAT SHOULD
EVENTUALLY ERODE THE CAP ENOUGH FOR STORMS TO DEVELOP ALONG THE COLD
FRONT FROM ERN MN INTO NERN IA. STORMS WILL LIKELY MAINTAIN DISCRETE
MODES FOR SEVERAL HOURS AND WILL BE EMBEDDED WITHIN STRONG DEEP
LAYER WIND AND VERTICAL SHEAR SUPPORTIVE OF SUPERCELLS. LARGEST
HODOGRAPHS ARE EXPECTED ACROSS CNTRL THROUGH NRN WI WHERE NEAR
SURFACE WINDS SHOULD REMAIN BACKED TO SLY EAST OF THE SURFACE LOW
WITH 0-1 KM STORM RELATIVE HELICITY EXCEEDING 250 M2/S2. STORMS
DEVELOPING WITHIN THIS ENVIRONMENT WILL LIKELY BECOME CAPABLE OF
PRODUCING STRONG TORNADOES...VERY LARGE HAIL AND DAMAGING WIND.
..DIAL.. 04/10/2011
ATTN...WFO...GRB...LOT...MKX...DVN...DLH...ARX...MPX...DMX...
LAT...LON 46229080 45298846 44028810 42788874 41958994 42059190
43759253 45569298 46229080
MESOSCALE DISCUSSION 0396
NWS STORM PREDICTION CENTER NORMAN OK
0130 PM CDT SUN APR 10 2011
AREAS AFFECTED...EXTREME SERN MN...NERN IA...NWRN IL AND MUCH OF WI
CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY
VALID 101830Z - 102030Z
OUTBREAK OF SEVERE STORMS IS EXPECTED THIS AFTERNOON...INITIALLY
FROM ERN MN THROUGH NERN IA...THEN SPREADING RAPIDLY EWD THROUGH WI
AND EXTREME NWRN IL. SUPERCELLS WITH STRONG TORNADOES...VERY LARGE
HAIL AND DAMAGING WIND WILL BE THE MAIN THREATS. A TORNADO WATCH
WILL LIKELY BE ISSUED BY 20Z.
THIS AFTERNOON A COLD FRONT EXTENDS FROM A DEEP LOW PRESSURE AREA IN
E-CNTRL MN SSWWD THROUGH SRN MN...NWRN IA INTO SERN NEB WITH A WARM
FRONT FROM THE SURFACE LOW IN E-CNTRL MN THROUGH NRN WI. THE LOW
WILL DEVELOP EWD TO NEAR THE WI BORDER BY 21Z. NEWD ADVECTION OF
HIGHER THETA-E AIR ALONG A STRONG SSWLY LLJ BENEATH EML PLUME /8.5
C/KM LAPSE RATES/ AND DIABATIC WARMING IS RESULTING IN NEWD
DESTABILIZATION WITH TIME. HOWEVER...THE BOUNDARY LAYER REMAINS
CAPPED BY THE WARM EML AS EVIDENCED BY 18Z MINNEAPOLIS SOUNDING.
UPPER JET IS SHIFTING NEWD INTO THE UPPER MS VALLEY. RAPID ACCAS
DEVELOPMENT RECENTLY OBSERVED FROM NERN IA THROUGH SWRN WI IS LIKELY
INDICATIVE OF NEWD EXPANDING ZONE OF AGEOSTROPHIC FORCING WITHIN THE
UPPER JET EXIT REGION. THIS FORCING IN CONJUNCTION WITH FRONTAL
CONVERGENCE WILL LIKELY MAINTAIN A DEEPER ZONE OF ASCENT THAT SHOULD
EVENTUALLY ERODE THE CAP ENOUGH FOR STORMS TO DEVELOP ALONG THE COLD
FRONT FROM ERN MN INTO NERN IA. STORMS WILL LIKELY MAINTAIN DISCRETE
MODES FOR SEVERAL HOURS AND WILL BE EMBEDDED WITHIN STRONG DEEP
LAYER WIND AND VERTICAL SHEAR SUPPORTIVE OF SUPERCELLS. LARGEST
HODOGRAPHS ARE EXPECTED ACROSS CNTRL THROUGH NRN WI WHERE NEAR
SURFACE WINDS SHOULD REMAIN BACKED TO SLY EAST OF THE SURFACE LOW
WITH 0-1 KM STORM RELATIVE HELICITY EXCEEDING 250 M2/S2. STORMS
DEVELOPING WITHIN THIS ENVIRONMENT WILL LIKELY BECOME CAPABLE OF
PRODUCING STRONG TORNADOES...VERY LARGE HAIL AND DAMAGING WIND.
..DIAL.. 04/10/2011
ATTN...WFO...GRB...LOT...MKX...DVN...DLH...ARX...MPX...DMX...
LAT...LON 46229080 45298846 44028810 42788874 41958994 42059190
43759253 45569298 46229080
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CrazyC83
- Professional-Met
- Posts: 34002
- Joined: Tue Mar 07, 2006 11:57 pm
- Location: Deep South, for the first time!
Re: Severe Weather April 9/10 Upper Midwest
MDT cut back at the southern end. Cap likely to hold up there.
SPC AC 101954
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0254 PM CDT SUN APR 10 2011
VALID 102000Z - 111200Z
...THERE IS A MDT RISK OF SVR TSTMS ACROSS FAR SOUTHEASTERN
MINNESOTA...FAR NORTHEASTERN IOWA...MUCH OF WISCONSIN...AND PORTIONS
OF THE UPPER PENINSULA OF MICHIGAN...
...THERE IS A SLGT RISK OF SVR TSTMS FROM THE UPPER GREAT LAKES
REGION SWWD INTO NERN TX...
...UPPER GREAT LAKES REGION SWWD INTO NERN TX...
FORECAST REMAINS ON TRACK FOR A REGIONAL OUTBREAK OF SEVERE STORMS
-- INCLUDING THE POTENTIAL FOR ISOLATED STRONG TORNADOES -- ACROSS
THE UPPER MS VALLEY/WRN UPPER GREAT LAKES REGION.
STORMS HAVE BEEN SLOW TO INITIATE THIS AFTERNOON...AS CAPPING
CONTINUES TO HINDER DEVELOPMENT. HOWEVER...A STRONG VORTICITY
MAXIMA/JET STREAK EVIDENT IN WV IMAGERY IS MOVING RAPIDLY NEWD
ACROSS KS INTO SERN NEB...AND SHOULD PROVIDE FAVORABLE ASCENT --
FOCUSED ALONG THE SURFACE COLD FRONT ACROSS SERN MN/CENTRAL IA --
FOR CAP EROSION AND SUBSEQUENT CONVECTIVE INITIATION.
ONCE STORMS INITIATE...MODERATELY-UNSTABLE AIRMASS COMBINED WITH
VERY STRONG/FAVORABLE DEEP-LAYER WIND FIELD WILL SUPPORT RAPID
SUPERCELL EVOLUTION...AND SUBSEQUENT THREATS FOR VERY LARGE
HAIL...DAMAGING WINDS...AND TORNADOES. STORMS SHOULD EVENTUALLY
SHIFT ACROSS WI INTO UPPER MI...AND ACROSS LAKE MI INTO THE LOWER
PENINSULA WITH CONTINUED THREATS FOR DAMAGING WINDS...HAIL...AND AN
ISOLATED TORNADO.
STORMS SHOULD ALSO DEVELOP -- IN A GENERALLY MORE LINEAR FASHION --
SWWD ALONG THE FRONT...AND THEN SHIFT STEADILY EWD WITH TIME ACROSS
MO/ERN OK/AR AND NERN TX. OVERNIGHT...THREAT FOR DAMAGING WINDS
SHOULD ALSO SPREAD ACROSS THE MIDWEST...WANING SLOWLY AS THE
ATMOSPHERE DIURNALLY STABILIZES.
..GOSS.. 04/10/2011
SPC AC 101954
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0254 PM CDT SUN APR 10 2011
VALID 102000Z - 111200Z
...THERE IS A MDT RISK OF SVR TSTMS ACROSS FAR SOUTHEASTERN
MINNESOTA...FAR NORTHEASTERN IOWA...MUCH OF WISCONSIN...AND PORTIONS
OF THE UPPER PENINSULA OF MICHIGAN...
...THERE IS A SLGT RISK OF SVR TSTMS FROM THE UPPER GREAT LAKES
REGION SWWD INTO NERN TX...
...UPPER GREAT LAKES REGION SWWD INTO NERN TX...
FORECAST REMAINS ON TRACK FOR A REGIONAL OUTBREAK OF SEVERE STORMS
-- INCLUDING THE POTENTIAL FOR ISOLATED STRONG TORNADOES -- ACROSS
THE UPPER MS VALLEY/WRN UPPER GREAT LAKES REGION.
STORMS HAVE BEEN SLOW TO INITIATE THIS AFTERNOON...AS CAPPING
CONTINUES TO HINDER DEVELOPMENT. HOWEVER...A STRONG VORTICITY
MAXIMA/JET STREAK EVIDENT IN WV IMAGERY IS MOVING RAPIDLY NEWD
ACROSS KS INTO SERN NEB...AND SHOULD PROVIDE FAVORABLE ASCENT --
FOCUSED ALONG THE SURFACE COLD FRONT ACROSS SERN MN/CENTRAL IA --
FOR CAP EROSION AND SUBSEQUENT CONVECTIVE INITIATION.
ONCE STORMS INITIATE...MODERATELY-UNSTABLE AIRMASS COMBINED WITH
VERY STRONG/FAVORABLE DEEP-LAYER WIND FIELD WILL SUPPORT RAPID
SUPERCELL EVOLUTION...AND SUBSEQUENT THREATS FOR VERY LARGE
HAIL...DAMAGING WINDS...AND TORNADOES. STORMS SHOULD EVENTUALLY
SHIFT ACROSS WI INTO UPPER MI...AND ACROSS LAKE MI INTO THE LOWER
PENINSULA WITH CONTINUED THREATS FOR DAMAGING WINDS...HAIL...AND AN
ISOLATED TORNADO.
STORMS SHOULD ALSO DEVELOP -- IN A GENERALLY MORE LINEAR FASHION --
SWWD ALONG THE FRONT...AND THEN SHIFT STEADILY EWD WITH TIME ACROSS
MO/ERN OK/AR AND NERN TX. OVERNIGHT...THREAT FOR DAMAGING WINDS
SHOULD ALSO SPREAD ACROSS THE MIDWEST...WANING SLOWLY AS THE
ATMOSPHERE DIURNALLY STABILIZES.
..GOSS.. 04/10/2011
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CrazyC83
- Professional-Met
- Posts: 34002
- Joined: Tue Mar 07, 2006 11:57 pm
- Location: Deep South, for the first time!
Re: Severe Weather April 9/10 Upper Midwest
First PDS watch of 2011. Probs are 90/60.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 120
NWS STORM PREDICTION CENTER NORMAN OK
320 PM CDT SUN APR 10 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF NORTHEAST IOWA
PARTS OF WESTERN NORTHERN MICHIGAN
SMALL PART OF SOUTHEAST MINNESOTA
MUCH OF WISCONSIN
LAKE SUPERIOR
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
1100 PM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH NORTHWEST OF
IRONWOOD MICHIGAN TO 45 MILES SOUTH OF CAMP DOUGLAS WISCONSIN.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
DISCUSSION...RAPID DEVELOPMENT OF SEVERE SUPERCELL THUNDERSTORMS
IMMINENT ALONG THE COLD FRONT FROM WI/MN BORDER INTO NERN IA. AIR
MASS HAS DESTABILIZED AHEAD OF FRONT WITH MLCAPES TO 2000
J/KG...COUPLED WITH A VERY INTENSE WIND FIELD WILL LEAD TO POTENTIAL
OF BOTH VERY LARGE HAIL AND TORNADOS WITH ANY SUPERCELL. THERE IS
THE THREAT OF LONG LIVED SUPERCELLS ALONG WITH STRONG/DAMAGING
TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24050.
...HALES
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 120
NWS STORM PREDICTION CENTER NORMAN OK
320 PM CDT SUN APR 10 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF NORTHEAST IOWA
PARTS OF WESTERN NORTHERN MICHIGAN
SMALL PART OF SOUTHEAST MINNESOTA
MUCH OF WISCONSIN
LAKE SUPERIOR
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
1100 PM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH NORTHWEST OF
IRONWOOD MICHIGAN TO 45 MILES SOUTH OF CAMP DOUGLAS WISCONSIN.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
DISCUSSION...RAPID DEVELOPMENT OF SEVERE SUPERCELL THUNDERSTORMS
IMMINENT ALONG THE COLD FRONT FROM WI/MN BORDER INTO NERN IA. AIR
MASS HAS DESTABILIZED AHEAD OF FRONT WITH MLCAPES TO 2000
J/KG...COUPLED WITH A VERY INTENSE WIND FIELD WILL LEAD TO POTENTIAL
OF BOTH VERY LARGE HAIL AND TORNADOS WITH ANY SUPERCELL. THERE IS
THE THREAT OF LONG LIVED SUPERCELLS ALONG WITH STRONG/DAMAGING
TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24050.
...HALES
Last edited by CrazyC83 on Sun Apr 10, 2011 3:27 pm, edited 1 time in total.
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srainhoutx
- S2K Supporter
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- Age: 67
- Joined: Sun Jan 14, 2007 11:34 am
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- Contact:
Re: Severe Weather April 9/10 Upper Midwest
PDS Watch as well...
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Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Ike/Harvey
Member: National Weather Association
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Member: National Weather Association
Wx Infinity Forums
http://wxinfinity.com/index.php
Facebook.com/WeatherInfinity
Twitter @WeatherInfinity
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CrazyC83
- Professional-Met
- Posts: 34002
- Joined: Tue Mar 07, 2006 11:57 pm
- Location: Deep South, for the first time!
Re: Severe Weather April 9/10 Upper Midwest
It took about 10 minutes for it to get warned. How long until tornadic?
WUUS53 KMPX 102034
SVRMPX
WIC005-017-033-093-109-102115-
/O.NEW.KMPX.SV.W.0004.110410T2034Z-110410T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
334 PM CDT SUN APR 10 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL BARRON COUNTY IN NORTHWEST WISCONSIN...
WEST CENTRAL CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
DUNN COUNTY IN WEST CENTRAL WISCONSIN...
NORTHEASTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHEASTERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 415 PM CDT
* AT 331 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING HALF DOLLAR SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED NEAR SPRING VALLEY...OR ABOUT 15 MILES
EAST OF ELLSWORTH...AND MOVING NORTHEAST AT 55 MPH.
LOCATIONS IN THE WARNING INCLUDE...
MENOMONIE...
HERSEY...
WILSON...
KNAPP...
TAINTER LAKE...
WHEELER...
COLFAX...
RIDGELAND...
SAND CREEK...
BLOOMER...
INTERSTATE 94...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING
FOR NORTHWESTERN WISCONSIN.
&&
LAT...LON 4532 9179 4506 9141 4468 9225 4482 9242
TIME...MOT...LOC 2033Z 224DEG 48KT 4484 9218
WIND...HAIL 60MPH 1.25IN
$$
WUUS53 KMPX 102034
SVRMPX
WIC005-017-033-093-109-102115-
/O.NEW.KMPX.SV.W.0004.110410T2034Z-110410T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
334 PM CDT SUN APR 10 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL BARRON COUNTY IN NORTHWEST WISCONSIN...
WEST CENTRAL CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
DUNN COUNTY IN WEST CENTRAL WISCONSIN...
NORTHEASTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHEASTERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 415 PM CDT
* AT 331 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING HALF DOLLAR SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED NEAR SPRING VALLEY...OR ABOUT 15 MILES
EAST OF ELLSWORTH...AND MOVING NORTHEAST AT 55 MPH.
LOCATIONS IN THE WARNING INCLUDE...
MENOMONIE...
HERSEY...
WILSON...
KNAPP...
TAINTER LAKE...
WHEELER...
COLFAX...
RIDGELAND...
SAND CREEK...
BLOOMER...
INTERSTATE 94...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING
FOR NORTHWESTERN WISCONSIN.
&&
LAT...LON 4532 9179 4506 9141 4468 9225 4482 9242
TIME...MOT...LOC 2033Z 224DEG 48KT 4484 9218
WIND...HAIL 60MPH 1.25IN
$$
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srainhoutx
- S2K Supporter
- Posts: 6919
- Age: 67
- Joined: Sun Jan 14, 2007 11:34 am
- Location: Haywood County, NC
- Contact:
Re: Severe Weather April 9/10 Upper Midwest
Capping still appears to be a bit of an issue near IA. Further N and E may not be much of a problem IMO.
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Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Ike/Harvey
Member: National Weather Association
Wx Infinity Forums
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Facebook.com/WeatherInfinity
Twitter @WeatherInfinity
Member: National Weather Association
Wx Infinity Forums
http://wxinfinity.com/index.php
Facebook.com/WeatherInfinity
Twitter @WeatherInfinity
TORNADO WARNING
MNC055-WIC063-123-102215-
/O.NEW.KARX.TO.W.0003.110410T2132Z-110410T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
432 PM CDT SUN APR 10 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
HOUSTON COUNTY IN SOUTHEAST MINNESOTA...
NORTHWESTERN VERNON COUNTY IN SOUTHWEST WISCONSIN...
SOUTHERN LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 515 PM CDT
* AT 428 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO NEAR WILLINGTON GROVE...OR 5 MILES WEST OF CALEDONIA...
MOVING NORTHEAST AT 55 MPH. THIS TORNADO WARNING UPGRADES THE
PREVIOUS SEVERE THUNDERSTORM WARNING FOR HOUSTON...LA CROSSE AND
VERNON COUNTIES.
* THE TORNADO WILL BE NEAR...
HIGHWAY 44 AND SANDEN ROAD AROUND 435 PM...
COUNTY ROADS 3 AND 24 AND FREEBURG AROUND 440 PM...
BROWNSVILLE AND HOKAH AROUND 445 PM...
LA CROSSE AND MAPLE GROVE AROUND 450 PM...
HIGHWAY 33 AND COUNTY O A AND IRISH HILL AROUND 455 PM...
THE COULEE EXPERIMENTAL FOREST AND BARRE MILLS AROUND 500 PM...
BANGOR AND I 90 EXIT 15 AROUND 505 PM...
MNC055-WIC063-123-102215-
/O.NEW.KARX.TO.W.0003.110410T2132Z-110410T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
432 PM CDT SUN APR 10 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
HOUSTON COUNTY IN SOUTHEAST MINNESOTA...
NORTHWESTERN VERNON COUNTY IN SOUTHWEST WISCONSIN...
SOUTHERN LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 515 PM CDT
* AT 428 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO NEAR WILLINGTON GROVE...OR 5 MILES WEST OF CALEDONIA...
MOVING NORTHEAST AT 55 MPH. THIS TORNADO WARNING UPGRADES THE
PREVIOUS SEVERE THUNDERSTORM WARNING FOR HOUSTON...LA CROSSE AND
VERNON COUNTIES.
* THE TORNADO WILL BE NEAR...
HIGHWAY 44 AND SANDEN ROAD AROUND 435 PM...
COUNTY ROADS 3 AND 24 AND FREEBURG AROUND 440 PM...
BROWNSVILLE AND HOKAH AROUND 445 PM...
LA CROSSE AND MAPLE GROVE AROUND 450 PM...
HIGHWAY 33 AND COUNTY O A AND IRISH HILL AROUND 455 PM...
THE COULEE EXPERIMENTAL FOREST AND BARRE MILLS AROUND 500 PM...
BANGOR AND I 90 EXIT 15 AROUND 505 PM...
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