2008 Severe Weather Thread
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Re: 2008 Severe Weather Thread
Ottawa, KS is about to get hammered. Very likely a derecho moving into area.
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BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
805 PM CDT SAT JUN 14 2008
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...
NORTHERN MEEKER COUNTY IN CENTRAL MINNESOTA...
* UNTIL 830 PM CDT
* AT 802 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 3 MILES
NORTHEAST OF NEW LONDON. RADAR SHOWED THE TORNADIC STORM MOVING
SOUTHEAST AT 57 MPH.
* SOME LOCATIONS INCLUDE...
HAWICK...
MANANNAH...
LITCHFIELD...
DARWIN...
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
805 PM CDT SAT JUN 14 2008
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...
NORTHERN MEEKER COUNTY IN CENTRAL MINNESOTA...
* UNTIL 830 PM CDT
* AT 802 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 3 MILES
NORTHEAST OF NEW LONDON. RADAR SHOWED THE TORNADIC STORM MOVING
SOUTHEAST AT 57 MPH.
* SOME LOCATIONS INCLUDE...
HAWICK...
MANANNAH...
LITCHFIELD...
DARWIN...
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Another round ?

SPC AC 150548
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1248 AM CDT SUN JUN 15 2008
VALID 151200Z - 161200Z
...THERE IS A MDT RISK OF SVR TSTMS TODAY ACROSS A LARGE PORTION OF
THE S CNTRL PLAINS INTO THE SRN GREAT LAKES...INCLUDING MUCH OF NRN
OKLAHOMA...CNTRL/ERN KANSAS...MUCH OF NRN/WRN MISSOURI...NRN/CNTRL
ILLINOIS...NRN INDIANA...LWR MI AND NW OHIO....
...THERE IS A SLGT RISK OF SVR TSTMS SURROUNDING THE MDT RISK
AREA...ACROSS THE CNTRL/SRN PLAINS...MID MS/OH VLYS AND SRN GREAT
LAKES REGION....
...SYNOPSIS...
THE MID-LEVEL CIRCULATION CENTER NOW NEAR SOUTHERN HUDSON BAY IS
FORECAST TO REDEVELOP SOUTH SOUTHEASTWARD TOWARD THE UPPER GREAT
LAKES REGION DURING THIS PERIOD. MODELS SUGGEST THAT THIS WILL
OCCUR AS PHASING SHORT WAVE IMPULSES...WITHIN A BROAD CYCLONIC FLOW
REGIME TO ITS SOUTH/EAST...DIG THROUGH THE GREAT LAKES. AT THE SAME
TIME...A SUBTROPICAL HIGH CENTER IS PROGGED TO REMAIN STRONG ACROSS
THE SOUTHERN PLATEAU/SOUTHERN ROCKIES INTO THE NORTHERN MEXICAN
PLATEAU...WHILE A RIDGE AXIS BUILDS NORTHWARD THROUGH THE
ROCKIES...AHEAD OF ANOTHER CLOSED LOW/TROUGH DIGGING WEST OF THE
BRITISH COLUMBIA COAST.
IN RESPONSE TO THE EVOLVING PATTERN...SEASONABLY MODERATE TO STRONG
WEST/NORTHWESTLY UPPER FLOW IS EXPECTED TO DEVELOP TODAY ACROSS MUCH
OF THE CENTRAL/NORTHERN PLAINS...EASTWARD THROUGH THE OHIO VALLEY
AND GREAT LAKES REGION. THIS IS PROGGED TO BE COUPLED WITH THE
PRESENCE OF STEEP LAPSE RATES THROUGH A DEEP LAYER OF THE LOWER/MID
TROPOSPHERE...OVER A FAIRLY BROAD AREA FROM THE NORTHEASTERN
PERIPHERY OF THE SUBTROPICAL RIDGE THROUGH THE BASE OF THE GREAT
LAKES TROUGH. AND...THIS ENVIRONMENT WILL BE CONDUCIVE FOR AN
OUTBREAK OF SEVERE STORMS...INCLUDING SEVERAL STORM CLUSTERS CAPABLE
OF PRODUCING HAIL AND SWATHS OF STRONG DAMAGING WINDS.
...CNTRL PLAINS THRU THE MID MS VLY AND SRN GREAT LAKES REGION...
WHILE THE LOW-LEVEL ENVIRONMENT THROUGH MUCH OF THE CENTRAL/
SOUTHERN PLAINS REMAINS VERY WARM...SOME OF THIS AIR IS BEGINNING TO
ADVECT EASTWARD ALONG THE SOUTHERN FRINGE OF THE STRONGER
WESTERLIES...TOWARD THE LOWER GREAT LAKES REGION. MODEL GUIDANCE IS
IN GENERAL AGREEMENT SUGGESTING THAT A PRE-FRONTAL THERMAL RIDGE
WILL EXTEND FROM NEAR THE KANSAS/NEBRASKA BORDER EASTWARD THROUGH
SOUTHERN LOWER MICHIGAN BY MID DAY. AND...THIS FEATURE IS EXPECTED
TO PROVIDE AT LEAST ONE FOCUS...PERHAPS THE MAIN FOCUS...FOR STORM
INITIATION.
FORCING ASSOCIATED WITH IMPULSES ON THE SOUTHERN FRINGE OF THE
AMPLIFYING GREAT LAKES TROUGH SHOULD CONTRIBUTE TO STORM
DEVELOPMENT. AT LEAST ONE CLUSTER APPEARS LIKELY ACROSS THE
SOUTHERN GREAT LAKES REGION DURING THE DAY. WHILE LOW-LEVEL
MOISTURE MAY NOT BE OPTIMAL ACROSS THIS REGION...STEEP LAPSE RATES
...LOW SUB-CLOUD BASE RELATIVE HUMIDITIES...AND 30-50 KT MEAN CLOUD
BEARING LAYER FLOW SHOULD CONTRIBUTE TO DAMAGING WIND POTENTIAL.
AND...MIXED LAYER CAPE OF 1000-2000 J/KG WILL PROBABLY ALSO BE
SUPPORTIVE OF LARGE HAIL.
FARTHER TO THE SOUTH/WEST...ON THE EDGE OF A WARMER/STRONGER CAPPING
MID-LEVEL ENVIRONMENT...MODELS INDICATE A RETURN OF HIGHER MOISTURE
CONTENT AIR INTO PARTS OF THE EAST CENTRAL PLAINS AND LOWER MISSOURI
VALLEY. THIS IS PROGGED TO BE SUPPORTIVE OF MIXED LAYER CAPE IN
EXCESS OF 3000 J/KG...FAVORABLE FOR INTENSE UPDRAFTS CAPABLE OF
PRODUCING VERY LARGE HAIL...IN THE PRESENCE OF AT LEAST WEAK TO
MODERATE SHEAR BENEATH MODEST NORTHWEST MID-LEVEL FLOW.
IT IS STILL UNCERTAIN WHETHER THE SEVERE THREAT WILL INCREASE FROM
AN INTENSIFICATION OF EARLY MORNING STORMS OVER THE MID MISSOURI
VALLEY...OR NEW DEVELOPMENT DURING THE MIDDAY HOURS. BUT...A STRONG
SIGNAL EXISTS IN MODEL DATA FOR THE EVOLUTION OF A LARGE MESOSCALE
CONVECTIVE SYSTEM ACROSS EASTERN KANSAS INTO WESTERN/ NORTHERN
MISSOURI. AS AN ASSOCIATED SURFACE COLD POOL STRENGTHENS ...THE
NORTHWESTLY MID-LEVEL FLOW COMPONENT WILL AID SOUTHEASTWARD
/SOUTHWARD PROPAGATION TOWARD THE SOUTH CENTRAL PLAINS/OZARK
PLATEAU...WHERE A SOUTHERLY LOW-LEVEL JET MAY CONTRIBUTE TO SYSTEM
ACCELERATION LATE THIS AFTERNOON AND EVENING. WIDESPREAD DAMAGING
WIND GUSTS ARE POSSIBLE...WITH EMBEDDED SWATHS OF STRONG TO VERY
STRONG GUSTS.
MODELS ARE SUGGESTIVE THAT A SIGNIFICANT IMPULSE MIGRATING AROUND
THE SUBTROPICAL RIDGE COULD CONTRIBUTE TO ANOTHER POSSIBLE STORM
CLUSTER ACROSS THE SOUTH CENTRAL HIGH PLAINS INTO THE RED RIVER
VALLEY LATE THIS AFTERNOON AND EVENING. AND...MERGING/
CONSOLIDATING STORM CLUSTERS COULD YIELD AN EXPANSIVE AREA OF
CONVECTION BY TONIGHT FROM THE SOUTH CENTRAL PLAINS INTO AREAS
NEAR/NORTH OF THE OHIO RIVER...WHERE GUSTY WINDS MAY REMAIN A RISK
INTO EARLY MONDAY MORNING.
..KERR/JEWELL.. 06/15/2008
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- TexasSam
- Category 2
- Posts: 573
- Age: 65
- Joined: Thu Aug 28, 2003 12:16 am
- Location: Port Arthur, Texas
Re: 2008 Severe Weather Thread
I have to say that's one of the larger moderate risk areas that I have seen. Seems even the slight areas this year have extreme weather.
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MESOSCALE DISCUSSION 1389
NWS STORM PREDICTION CENTER NORMAN OK
0529 AM CDT SUN JUN 15 2008
AREAS AFFECTED...MUCH OF OK...SRN KS
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 151029Z - 151300Z
SCATTERED STORMS WILL PERSIST THROUGH THE MORNING HOURS WITH A
THREAT OF MARGINALLY SEVERE HAIL. A WW IS NOT EXPECTED.
A NORTH-SOUTH BAND OF THUNDERSTORMS HAS FORMED ACROSS WRN
OK...WITHIN ELEVATED WARM ADVECTION REGIME. WATER VAPOR IMAGERY
SHOWS AREA OF MOISTENING AND LIKELY LIFT SPREADING SEWD OVER SWRN KS
INTO WRN OK. OBJECTIVE ANALYSIS AS WELL AS RUC FORECAST SOUNDINGS
INDICATE THAT THESE STORMS ARE LIKELY ROOTED NEAR 700 MB...AND
ALIGNED ALONG A ZONE OF FRONTOGENETICAL FORCING. STORMS FARTHER E
OVER NERN OK/SERN KS MAY BE REAPING THE BENEFITS OF BETTER MOISTURE
WITH THE INSTABILITY AXIS JUST TO THE W.
MID LEVEL TEMPERATURES ARE QUITE COOL FOR THIS TIME OF YEAR...THUS A
FEW OF THESE STORMS MAY PRODUCE HAIL. 500-800 J/KG OF ELEVATED CAPE
USING A 700 MB PARCEL MAY BE SUFFICIENT FOR A FEW LOW END SEVERE
HAIL REPORTS.
..JEWELL.. 06/15/2008
NWS STORM PREDICTION CENTER NORMAN OK
0529 AM CDT SUN JUN 15 2008
AREAS AFFECTED...MUCH OF OK...SRN KS
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 151029Z - 151300Z
SCATTERED STORMS WILL PERSIST THROUGH THE MORNING HOURS WITH A
THREAT OF MARGINALLY SEVERE HAIL. A WW IS NOT EXPECTED.
A NORTH-SOUTH BAND OF THUNDERSTORMS HAS FORMED ACROSS WRN
OK...WITHIN ELEVATED WARM ADVECTION REGIME. WATER VAPOR IMAGERY
SHOWS AREA OF MOISTENING AND LIKELY LIFT SPREADING SEWD OVER SWRN KS
INTO WRN OK. OBJECTIVE ANALYSIS AS WELL AS RUC FORECAST SOUNDINGS
INDICATE THAT THESE STORMS ARE LIKELY ROOTED NEAR 700 MB...AND
ALIGNED ALONG A ZONE OF FRONTOGENETICAL FORCING. STORMS FARTHER E
OVER NERN OK/SERN KS MAY BE REAPING THE BENEFITS OF BETTER MOISTURE
WITH THE INSTABILITY AXIS JUST TO THE W.
MID LEVEL TEMPERATURES ARE QUITE COOL FOR THIS TIME OF YEAR...THUS A
FEW OF THESE STORMS MAY PRODUCE HAIL. 500-800 J/KG OF ELEVATED CAPE
USING A 700 MB PARCEL MAY BE SUFFICIENT FOR A FEW LOW END SEVERE
HAIL REPORTS.
..JEWELL.. 06/15/2008
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- HarlequinBoy
- Category 5
- Posts: 1400
- Age: 34
- Joined: Wed Nov 29, 2006 1:57 am
- Location: Memphis
Re: 2008 Severe Weather Thread
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
1014 PM PDT THU JUL 10 2008
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHEAST CALIFORNIA...
* UNTIL 1100 PM PDT
* AT 1012 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR JOHNSON
VALLEY...OR 30 MILES SOUTHWEST OF LUDLOW...MOVING SOUTH AT 23 MPH.
* THE TORNADO WILL BE NEAR...
JOHNSON VALLEY BY 1025 PM PDT...
RIMROCK BY 1100 PM PDT...
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
1014 PM PDT THU JUL 10 2008
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHEAST CALIFORNIA...
* UNTIL 1100 PM PDT
* AT 1012 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR JOHNSON
VALLEY...OR 30 MILES SOUTHWEST OF LUDLOW...MOVING SOUTH AT 23 MPH.
* THE TORNADO WILL BE NEAR...
JOHNSON VALLEY BY 1025 PM PDT...
RIMROCK BY 1100 PM PDT...
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SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
456 PM CDT MON JUL 14 2008
NEC101-142230-
/O.CON.KLBF.TO.W.0072.000000T0000Z-080714T2230Z/
KEITH NE-
356 PM MDT MON JUL 14 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR SOUTH
CENTRAL KEITH COUNTY...
AT 352 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS
TORNADO WAS LOCATED NEAR HIGHWAY 61 MILE MARKER 80...OR 8 MILES SOUTH
OF OGALLALA...MOVING EAST AT 25 MPH.
THE TORNADO WILL BE NEAR...
ROSCOE BY 420 PM MDT...
NATIONAL WEATHER SERVICE NORTH PLATTE NE
456 PM CDT MON JUL 14 2008
NEC101-142230-
/O.CON.KLBF.TO.W.0072.000000T0000Z-080714T2230Z/
KEITH NE-
356 PM MDT MON JUL 14 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR SOUTH
CENTRAL KEITH COUNTY...
AT 352 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS
TORNADO WAS LOCATED NEAR HIGHWAY 61 MILE MARKER 80...OR 8 MILES SOUTH
OF OGALLALA...MOVING EAST AT 25 MPH.
THE TORNADO WILL BE NEAR...
ROSCOE BY 420 PM MDT...
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rare ?
TORNADO WARNING
MEC003-192300-
/O.NEW.KCAR.TO.W.0002.080719T2219Z-080719T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
619 PM EDT SAT JUL 19 2008
THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN AROOSTOOK COUNTY IN NORTHERN MAINE...
* UNTIL 700 PM EDT...
* AT 615 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES
NORTHWEST OF SMYRNA MILLS...OR ABOUT 16 MILES NORTH OF PATTEN...
MOVING SOUTHEAST AT 24 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ISLAND FALLS
MEC003-192300-
/O.NEW.KCAR.TO.W.0002.080719T2219Z-080719T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
619 PM EDT SAT JUL 19 2008
THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN AROOSTOOK COUNTY IN NORTHERN MAINE...
* UNTIL 700 PM EDT...
* AT 615 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES
NORTHWEST OF SMYRNA MILLS...OR ABOUT 16 MILES NORTH OF PATTEN...
MOVING SOUTHEAST AT 24 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ISLAND FALLS
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- HarlequinBoy
- Category 5
- Posts: 1400
- Age: 34
- Joined: Wed Nov 29, 2006 1:57 am
- Location: Memphis
Jul 28, 2008 1630 UTC Day 1 Convective Outlook

SPC AC 281629
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1129 AM CDT MON JUL 28 2008
VALID 281630Z - 291200Z
...THERE IS A MDT RISK OF SVR TSTMS THIS AFTERNOON INTO EARLY
TONIGHT FOR SRN ND...NE SD...AND SW MN...
...THERE IS A SLGT RISK OF SVR TSTMS SURROUNDING THE MDT RISK
AREA...FROM THE NRN PLAINS TO THE MID MS VALLEY...
...NRN PLAINS/MS VALLEY AREA THROUGH TONIGHT...
A NRN STREAM SHORTWAVE TROUGH OVER CENTRAL MT AND SRN AB/SK WILL
MOVE EWD TO WRN ND BY LATE TODAY...AND THEN ESEWD TO MN BY EARLY
TUESDAY. THIS PRIMARY TROUGH IS PRECEDED BY A WEAK LEAD SHORTWAVE
TROUGH OVER WRN ND...AND THIS SMALLER SCALE WAVE IS ASSOCIATED WITH
THE ONGOING MCS IN WRN/CENTRAL ND.
A CORRIDOR OF 68-72 F BOUNDARY LAYER DEWPOINTS REMAINS ALONG AND N
OF A BAROCLINIC ZONE FROM NRN NEB ACROSS CENTRAL SD TO SW ND. THIS
BOUNDARY WILL LIFT NWD/NEWD TODAY IN ADVANCE OF THE MT SHORTWAVE
TROUGH AND A WEAK SURFACE LOW NOW NEAR THE SD/ND/MT BORDERS. THE
RESULTANT DESTABILIZATION ACROSS NE SD AND SRN ND SHOULD PROVIDE A
CORRIDOR FOR THE ONGOING ND MCS TO PERSIST AND CONTINUE ESEWD ALONG
THE INSTABILITY GRADIENT THROUGH THE DAY. HOWEVER...RELATIVELY
WIDESPREAD CLOUDS ACROSS SRN ND AND CENTRAL SD MAY DELAY SURFACE
HEATING AND SLOW DESTABILIZATION. ASSUMING THE ONGOING STORMS CAN
MAINTAIN ORGANIZATION INTO THE AFTERNOON...DAMAGING WINDS AND LARGE
HAIL CAN BE EXPECTED.
FARTHER S IN SD...VERY STEEP MID LEVEL LAPSE RATES OVERLAY 70+ F
BOUNDARY LAYER DEWPOINTS. A STRONG CAP ACCOMPANIES THE STEEP LAPSE
RATES...SO STRONG SURFACE HEATING AND LOW-LEVEL ASCENT WILL BE
NECESSARY FOR ADDITIONAL SEVERE STORM DEVELOPMENT WITHIN THE
INSTABILITY AXIS. AS MENTIONED PREVIOUSLY...CLOUDS ARE INHIBITING
SURFACE HEATING SOMEWHAT AS OF LATE MORNING...AND ADDITIONAL STORM
FORMATION MAY HAVE TO RELY ON LIFT ALONG THE OUTFLOW BOUNDARY MOVING
SEWD FROM ND...OR THE LEE TROUGH/DRYLINE PROGRESSING EWD INTO WRN
SD. MLCAPE VALUES OF 3000-4000 J/KG AND EFFECTIVE BULK SHEAR OF
35-45 KT ALONG THE SRN FRINGE OF THE STRONGER MID LEVEL WLYS WILL BE
SUPPORTIVE OF SUPERCELLS AND/OR BOW ECHOES CAPABLE OF PRODUCING
DAMAGING WINDS AND LARGE HAIL. STORMS THAT FORM IN SD/SRN ND SHOULD
TRAVEL ESEWD ACROSS ERN SD TOWARD W/SW MN BY THIS EVENING...AND
POTENTIALLY N/NW IA OVERNIGHT.
...NRN NEW ENGLAND TODAY...
A MID LEVEL SHORTWAVE TROUGH IS PIVOTING EWD FROM ONTARIO TO WRN/NRN
NY...AND THIS WAVE WILL PROGRESS EWD OVER NRN NEW ENGLAND THIS
AFTERNOON INTO EARLY TONIGHT. RESIDUAL BOUNDARY LAYER MOISTURE AND
SURFACE HEATING WITHIN CLOUD BREAKS WILL CONTRIBUTE TO WIDELY
SCATTERED TO SCATTERED THUNDERSTORM DEVELOPMENT THIS AFTERNOON
ACROSS NRN NY/NEW ENGLAND IN ADVANCE OF THE MID LEVEL TROUGH.
MODEST INSTABILITY AND VERTICAL SHEAR COULD SUPPORT A FEW STORMS
WITH MARGINALLY SEVERE HAIL AND STRONG OUTFLOW WINDS THIS AFTERNOON.
...NE AR/KY/TN THIS AFTERNOON...
A REMNANT MCV FROM OVERNIGHT CONVECTION IS NOW MOVING SLOWLY SEWD
OVER NRN KY. A DIFFUSE OUTFLOW BOUNDARY TRAILS WSWWD ACROSS WRN
KY/NW TN INTO NE AR. STRONG SURFACE HEATING AND BOUNDARY LAYER
DEWPOINTS WELL INTO THE 70S WILL SUPPORT STRONG INSTABILITY ALONG
THIS OUTFLOW BOUNDARY DURING THE AFTERNOON. ISOLATED STRONG/SEVERE
STORMS COULD FORM ALONG THE BOUNDARY THIS AFTERNOON AS CONVECTIVE
INHIBITION IS REMOVED...AND THE STRONGEST STORMS COULD PRODUCE
ISOLATED DAMAGING DOWNBURSTS AND SOME HAIL.
..THOMPSON/LEVIT.. 07/28/2008
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
CURRENT UTC TIME: 1658Z (6:58PM), RELOAD THIS PAGE TO UPDATE THE TIME
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ZCZC SPCPWOSPC ALL
WOUS40 KWNS 281642
MNZ000-NDZ000-SDZ000-290045-
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1142 AM CDT MON JUL 28 2008
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE NORTHERN PLAINS
THIS AFTERNOON AND EVENING...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF WIDESPREAD DAMAGING WINDS OVER PARTS OF THE NORTHERN
PLAINS THIS AFTERNOON AND EVENING.
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
SOUTHWEST MINNESOTA
SOUTHERN AND CENTRAL NORTH DAKOTA
NORTH CENTRAL AND NORTHEAST SOUTH DAKOTA
ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE OVER MUCH OF THE
NORTHERN PLAINS INTO THE UPPER MISSISSIPPI AND MISSOURI RIVER
VALLEYS.
INTENSE MID AND UPPER LEVEL SYSTEM WILL FEED OFF OF A VERY WARM AND
HUMID AIR MASS OVER PORTIONS OF THE NORTHERN PLAINS THIS AFTERNOON
AND EVENING. THIS IS EXPECTED TO SUPPORT WIDESPREAD SEVERE
THUNDERSTORMS...LIKELY IN THE FORM OF ONE OR MORE COMPLEXES OF
STORMS PRODUCING WIDESPREAD AND POSSIBLY SIGNIFICANT WIND DAMAGE.
THESE SYSTEMS ARE EXPECTED TO TRACK EAST-SOUTHEASTWARD THROUGH MUCH
OF THE PERIOD ALONG A SURFACE WARM FRONT EXTENDING FROM PARTS OF
NORTH DAKOTA INTO NORTHEASTERN SOUTH DAKOTA AND SOUTHERN MINNESOTA.
ADDITIONAL SEVERE THUNDERSTORMS IN THE FORM OF SUPERCELLS...ARE ALSO
EXPECTED OVER A LARGER AREA AS THE MID AND UPPER LEVEL SYSTEM MOVES
ACROSS THE NORTHERN PLAINS...WITH THREATS OF VERY LARGE HAIL AND
ISOLATED TORNADOES.
THIS IS POTENTIALLY A VERY DANGEROUS 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.
..LEVIT.. 07/28/2008
$$
WOUS40 KWNS 281642
MNZ000-NDZ000-SDZ000-290045-
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1142 AM CDT MON JUL 28 2008
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE NORTHERN PLAINS
THIS AFTERNOON AND EVENING...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF WIDESPREAD DAMAGING WINDS OVER PARTS OF THE NORTHERN
PLAINS THIS AFTERNOON AND EVENING.
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
SOUTHWEST MINNESOTA
SOUTHERN AND CENTRAL NORTH DAKOTA
NORTH CENTRAL AND NORTHEAST SOUTH DAKOTA
ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE OVER MUCH OF THE
NORTHERN PLAINS INTO THE UPPER MISSISSIPPI AND MISSOURI RIVER
VALLEYS.
INTENSE MID AND UPPER LEVEL SYSTEM WILL FEED OFF OF A VERY WARM AND
HUMID AIR MASS OVER PORTIONS OF THE NORTHERN PLAINS THIS AFTERNOON
AND EVENING. THIS IS EXPECTED TO SUPPORT WIDESPREAD SEVERE
THUNDERSTORMS...LIKELY IN THE FORM OF ONE OR MORE COMPLEXES OF
STORMS PRODUCING WIDESPREAD AND POSSIBLY SIGNIFICANT WIND DAMAGE.
THESE SYSTEMS ARE EXPECTED TO TRACK EAST-SOUTHEASTWARD THROUGH MUCH
OF THE PERIOD ALONG A SURFACE WARM FRONT EXTENDING FROM PARTS OF
NORTH DAKOTA INTO NORTHEASTERN SOUTH DAKOTA AND SOUTHERN MINNESOTA.
ADDITIONAL SEVERE THUNDERSTORMS IN THE FORM OF SUPERCELLS...ARE ALSO
EXPECTED OVER A LARGER AREA AS THE MID AND UPPER LEVEL SYSTEM MOVES
ACROSS THE NORTHERN PLAINS...WITH THREATS OF VERY LARGE HAIL AND
ISOLATED TORNADOES.
THIS IS POTENTIALLY A VERY DANGEROUS SITUATION. THOSE IN THE
THREATENED AREA ARE URGED TO REVIEW SEVERE WEATHER SAFETY RULES AND
TO LISTEN TO RADIO...TELEVISION...AND NOAA WEATHER RADIO FOR
POSSIBLE WATCHES...WARNINGS...AND STATEMENTS LATER TODAY.
..LEVIT.. 07/28/2008
$$
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