2009 Severe Weather thread

[Dave]

Ohio

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
746 PM EDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* TORNADO WARNING FOR...
EASTERN BELMONT COUNTY IN EAST CENTRAL OHIO...
SOUTHEASTERN HARRISON COUNTY IN EAST CENTRAL OHIO...

* UNTIL 830 PM EDT

* AT 745 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NEW
ATHENS...MOVING SOUTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
ATHENS... FLUSHING... SAINT CLAIRSVILLE...
MARTINS FERRY... BRIDGEPORT...

[Bunkertor]

11 watch boxes...

[Bunkertor]

MESOSCALE DISCUSSION 1183
NWS STORM PREDICTION CENTER NORMAN OK
0644 PM CDT WED JUN 17 2009

AREAS AFFECTED...SRN MN / NERN IA

CONCERNING...SEVERE POTENTIAL...WATCH NEEDED SOON

VALID 172344Z - 180015Z

ENVIRONMENTAL CONDITIONS HAVE BECOME FAVORABLE FOR SEVERE
STORMS...INCLUDING ISOLATED TORNADOES...AND A WATCH ISSUANCE WILL BE
COORDINATED BETWEEN THE SPC AND THE AFFECTED LOCAL NATIONAL WEATHER
SERVICE OFFICES SHORTLY.

..SMITH.. 06/17/2009

[Bunkertor]

MESOSCALE DISCUSSION 1180
NWS STORM PREDICTION CENTER NORMAN OK
0543 PM CDT WED JUN 17 2009

AREAS AFFECTED...NERN CO/SERN WY/NEB/NRN KS/SWRN IA/NWRN MO

CONCERNING...TORNADO WATCH 440...445...

VALID 172243Z - 180015Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 440...445...CONTINUES.

ISOLATED STORM DEVELOPMENT IS ONGOING ACROSS THE CENTRAL PLAINS
REGION...WHERE LOCAL SEVERE/TORNADO THREAT CONTINUES.

LATEST SURFACE ANALYSIS INDICATES A WARM FRONT LYING ROUGHLY W-E
ACROSS THE CENTRAL THIRD OF KS...WITH A VERY UNSTABLE AIRMASS /3000
TO 5000 J/KG MIXED-LAYER CAPE/ NEAR AND N OF THIS BOUNDARY. EARLIER
CONVECTION OVER SERN SD/NERN KS CONTINUES MOVING ESEWD ACROSS NWRN
MO INTO TORNADO WATCH 443...BUT ISOLATED STORMS CONTINUE TO DEVELOP
FARTHER W WITHIN SELY LOW-LEVEL FLOW FIELD N OF THE FRONT ACROSS
NERN CO/SERN WY AND EWD ACROSS NEB.

AS A SLY LOW-LEVEL JET INCREASES THIS EVENING AHEAD OF A MID-LEVEL
SHORT-WAVE TROUGH EJECTING NEWD FROM THE CENTRAL ROCKIES...STORM
COVERAGE IS EXPECTED TO CONTINUE INCREASING. MODERATE WLYS AT
MID-LEVELS ATOP STRENGTHENING SLY LOW-LEVEL FLOW WILL RESULT IN
SHEAR INCREASINGLY-FAVORABLE FOR SUPERCELLS...AND THUS THE
SEVERE/TORNADO THREAT SHOULD EXPAND WITH TIME ACROSS THIS REGION.
WITH THIS THREAT LIKELY TO INCREASE WITH TIME N OF THESE WATCHES --
I.E. ACROSS N CENTRAL AND NERN NEB AND INTO THE SERN QUARTER OF
SD...NEW TORNADO WATCH WILL LIKELY BE REQUIRED IN THIS AREA.

..GOSS.. 06/17/2009


ATTN...WFO...DMX...EAX...FSD...OAX...TOP...ABR...GID...LBF...
UNR...GLD...PUB...BOU...CYS...

[Dave]

Missouri

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
651 PM CDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
SOUTH CENTRAL CARROLL COUNTY IN NORTH CENTRAL MISSOURI...
NORTHWESTERN SALINE COUNTY IN CENTRAL MISSOURI...

* UNTIL 715 PM CDT

* AT 650 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR CARROLLTON...AND MOVING EAST AT 25 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
MALTA BEND AROUND 715 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE GRAND
PASS AND WAKENDA.

[Dave]

Bunktor check the meso west of indiana and I'll stay on warnings. Its showing on my radar screen and touches St Louis.

[Bunkertor]

[Dave]

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
656 PM CDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
EAST CENTRAL BUFFALO COUNTY IN SOUTH CENTRAL NEBRASKA...
WEST CENTRAL HALL COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 730 PM CDT

* AT 653 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM PRODUCING A TORNADO. THIS
DANGEROUS STORM WAS LOCATED 6 MILES SOUTH OF POOLE...OR 16 MILES
NORTHEAST OF KEARNEY...AND MOVING EAST AT 15 MPH. A TORNADO HAS
BEEN SPOTTED BY OFF DUTY NATIONAL WEATHER SERVICE EMPLOYEES.

* THIS TORNADIC STORM WILL AFFECT MAINLY RURAL AREAS OF EAST CENTRAL
BUFFALO AND WEST CENTRAL HALL COUNTIES.

[Bunkertor]

Bunktor check the meso west of indiana and I'll stay on warnings. Its showing on my radar screen and touches St Louis.

Uhm, there is no MD and no mesocyclone west of IN.

[Dave]

MESOSCALE DISCUSSION 1182
NWS STORM PREDICTION CENTER NORMAN OK
0642 PM CDT WED JUN 17 2009

AREAS AFFECTED...NRN MO

CONCERNING...TORNADO WATCH 443...

VALID 172342Z - 180145Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 443 CONTINUES.

SMALL CLUSTER OF SEVERE STORMS CONTINUES MOVING ESEWD ACROSS NWRN
MO.

LATEST RADAR IMAGERY SHOWS A SMALL CLUSTER OF SEVERE CONVECTION NOW
CROSSING CLINTON/CALDWELL/NRN RAY COUNTIES IN NWRN MO. THE STORMS
SHOULD CONTINUE MOVING ESEWD ACROSS THE WW WITH TIME...JUST TO THE N
OF A WARM FRONT EXTENDING EWD FROM KS INTO CENTRAL MO. WITH
FAVORABLE VEERING/SHEAR WITH HEIGHT ACROSS THIS REGION AND
MOIST/UNSTABLE AIRMASS WARM SECTOR AIRMASS FEEDING ISENTROPICALLY
NWD ATOP THE FRONT INTO THE ONGOING STORM CLUSTER...EXPECT STORMS TO
CONTINUE MOVING ESEWD WITH TIME. ALONG WITH THE THREAT FOR DAMAGING
WINDS AND LARGE HAIL...AN ISOLATED TORNADO THREAT CONTINUES.

..GOSS.. 06/17/2009


ATTN...WFO...LSX...SGF...EAX...

[Bunkertor]

Stormchaser Brian Thalken has a huge wallcloud and a developing tornado in front on the lens. NE

[CrazyC83]

Pretty big numbers on the latest Tornado Watch (70/50, probably too high IMO since those normally warrant a PDS)

[Bunkertor]

touchdown in 3... 2.... 1....

[CrazyC83]

SEL9

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 449
NWS STORM PREDICTION CENTER NORMAN OK
700 PM CDT WED JUN 17 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

NORTH CENTRAL AND NORTHEAST IOWA
SOUTH CENTRAL AND SOUTHEAST MINNESOTA

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 700 PM
UNTIL 100 AM CDT.

TORNADOES...HAIL TO 2.5 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 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST SOUTHWEST OF
FAIRMONT MINNESOTA TO 25 MILES SOUTH OF LA CROSSE WISCONSIN. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).

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.

OTHER WATCH INFORMATION...CONTINUE...WW 439...WW 440...WW
441...WW 442...WW 443...WW 445...WW 444...WW 446...WW 447...WW
448...

DISCUSSION...A VERY UNSTABLE ENVIRONMENT IS PRESENT ACROSS S/SE MN
INTO NRN IA...ALONG AND S OF A SURFACE WARM FRONT AND WEAK SURFACE
WAVE IN SRN MN. BOUNDARY LAYER DEWPOINTS IN THE 70S AND
TEMPERATURES IN THE 80S ARE CONTRIBUTING TO MLCAPE VALUES OF
3000-4000 J/KG...AND EFFECTIVE BULK SHEAR OVER THIS AREA IS AOA 50
KTS. THE ENVIRONMENT STRONGLY FAVORS DISCRETE SUPERCELL
DEVELOPMENT...WHILE THE RICH LOW-LEVEL MOISTURE AND 0-1 KM SRH AOA
200 M2/S2 WILL FAVOR TORNADIC SUPERCELLS. GIVEN THESE ENVIRONMENTAL
CONDITIONS...AN ISOLATED STRONG TORNADO MAY OCCUR. OTHERWISE...VERY
LARGE HAIL AND ISOLATED DAMAGING WINDS WILL BE POSSIBLE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 29025.


...THOMPSON

[Dave]

Want to go nuts? My current screen showing last tornado warning in Nebraska.

[Bunkertor]

seems roping out.

[Dave]

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
708 PM CDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
SOUTH CENTRAL CUSTER COUNTY IN CENTRAL NEBRASKA...

* UNTIL 745 PM CDT

* AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR OCONTO...OR
21 MILES NORTH OF LEXINGTON...MOVING NORTHEAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
OCONTO BY 715 PM CDT...
6 MILES SOUTHEAST OF PRESSEY STATE WILDLIFE MANAGEMENT AREA BY 730
PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PUBLIC REPORTS OF FUNNEL CLOUDS SOUTHWEST OF OCONTO WITH THESE
STORMS.

[CrazyC83]

Started a new thread, since it is so busy.

[Dave]

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 449
NWS STORM PREDICTION CENTER NORMAN OK
700 PM CDT WED JUN 17 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

NORTH CENTRAL AND NORTHEAST IOWA
SOUTH CENTRAL AND SOUTHEAST MINNESOTA

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 700 PM
UNTIL 100 AM CDT.

TORNADOES...HAIL TO 2.5 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 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST SOUTHWEST OF
FAIRMONT MINNESOTA TO 25 MILES SOUTH OF LA CROSSE WISCONSIN. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).

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.

OTHER WATCH INFORMATION...CONTINUE...WW 439...WW 440...WW
441...WW 442...WW 443...WW 445...WW 444...WW 446...WW 447...WW
448...

DISCUSSION...A VERY UNSTABLE ENVIRONMENT IS PRESENT ACROSS S/SE MN
INTO NRN IA...ALONG AND S OF A SURFACE WARM FRONT AND WEAK SURFACE
WAVE IN SRN MN. BOUNDARY LAYER DEWPOINTS IN THE 70S AND
TEMPERATURES IN THE 80S ARE CONTRIBUTING TO MLCAPE VALUES OF
3000-4000 J/KG...AND EFFECTIVE BULK SHEAR OVER THIS AREA IS AOA 50
KTS. THE ENVIRONMENT STRONGLY FAVORS DISCRETE SUPERCELL
DEVELOPMENT...WHILE THE RICH LOW-LEVEL MOISTURE AND 0-1 KM SRH AOA
200 M2/S2 WILL FAVOR TORNADIC SUPERCELLS. GIVEN THESE ENVIRONMENTAL
CONDITIONS...AN ISOLATED STRONG TORNADO MAY OCCUR. OTHERWISE...VERY
LARGE HAIL AND ISOLATED DAMAGING WINDS WILL BE POSSIBLE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 29025.


...THOMPSON

Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High Moderate

[Dave]

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
711 PM CDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
SOUTHEASTERN CHRISTIAN COUNTY IN SOUTH CENTRAL KENTUCKY...
SOUTHERN TODD COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 745 PM CDT.

* AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
NORTHWEST OF GUTHRIE...MOVING SOUTHEAST AT 10 MPH. SPOTTERS
REPORTED A FUNNEL CLOUD NER TRENTON AT 706 PM.

* LOCATIONS IN THE WARNED AREA INCLUDE...
GUTHRIE...