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Severe Weather Threat in Dixie Alley/OV Feb 27 - Mar 1


Fred Gossage

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Multiple people trapped under a tree in St. Louis County, 6622 Otis Drive, unknown where that is for sure, also people injured by flying debris, FD asking for ambulances. Also a roof off a school per FD. Dispatch just quoted damage everywhere, too many calls to take, requesting emergency traffic only.

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Multiple people trapped under a tree in St. Louis County, 6622 Otis Drive, unknown where that is for sure, also people injured by flying debris, FD asking for ambulances. Also a roof off a school per FD. Dispatch just quoted damage everywhere, too many calls to take, requesting emergency traffic only.

That area is right by the airport. A lot of my friends are from the STL area and live near the airport or out in West County (Western St. Louis County.) Definitely hoping all of them are ok.

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DAY 1 CONVECTIVE OUTLOOK

NWS STORM PREDICTION CENTER NORMAN OK

1158 PM CST SUN FEB 27 2011

VALID 281200Z - 011200Z

..THERE IS A MDT RISK OF SVR TSTMS ACROSS PARTS OF KY...TN

FAR

WRN NC...FAR NE MS...NRN AL...NRN GA...

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE MID-MS

VALLEY...OH VALLEY...TN VALLEY...GULF COAST

STATES...CAROLINAS...CNTRL APPALACHIAN MTNS AND MID-ATLANTIC...

..SRN OH VALLEY/TN VALLEY

A FAST-MOVING UPPER-LEVEL TROUGH OVER THE SRN PLAINS WILL MOVE EWD

INTO THE MID-MS VALLEY TODAY. A BROAD MOIST SECTOR WILL BE IN PLACE

AHEAD OF THE SYSTEM FROM THE CNTRL GULF COAST STATES NNEWD INTO THE

OH VALLEY. ON THE NWRN EDGE OF THE WARM SECTOR...A LARGE MCS WILL

LIKELY BE ONGOING AT 12Z FROM NEAR THE OH RIVER SWD ACROSS KY INTO

NRN AND WRN TN. FORECAST SOUNDINGS ALONG AND SOUTH OF THIS CORRIDOR

MONDAY MORNING SHOW VERY FAVORABLE WIND SHEAR PROFILES FOR SEVERE

STORMS. A LINE SEGMENT WITH NUMEROUS SEVERE STORMS SHOULD GRADUALLY

MOVE SEWD ACROSS THE MODERATE RISK AREA DURING THE DAY. ON THE WRN

EDGE OF THE LOW-LEVEL JET...FORECAST SOUNDINGS ESTIMATE 0-3 KM STORM

RELATIVE HELICITIES TO BE IN THE 400 TO 500 M2/S2 RANGE ACROSS A

LARGE AREA MAKING CONDITIONS FAVORABLE FOR TORNADOES. SEVERAL STRONG

TORNADOES SHOULD OCCUR WITH THE MORE INTENSE ROTATING CELLS EMBEDDED

WITHIN THE LINE. A WIND DAMAGE THREAT SHOULD ALSO EXIST ACROSS A

LARGE AREA. VERY STRONG WIND GUSTS WILL BE POSSIBLE WITH THE BETTER

ORGANIZED BOWING LINE-SEGMENTS. THE SQUALL-LINE SHOULD MOVE SEWD

INTO CNTRL AL AND NRN GA DURING THE LATE AFTERNOON WHERE A SEVERE

THREAT SHOULD PERSIST DUE TO THE FAVORABLE WIND SHEAR ENVIRONMENT.

HOWEVER...SEVERE THREAT COVERAGE WILL LIKELY DECREASE AS THE

LOW-LEVEL JET PULLS NEWD AWAY FROM THE REGION.

..UPPER OH VALLEY/MID-ATLANTIC/CAROLINAS

A BROAD LOW-LEVEL JET WILL BE IN PLACE ACROSS THE SRN APPALACHIAN

MTNS THIS MORNING. THUNDERSTORMS SHOULD BE ONGOING AT 12Z ON THE WRN

EDGE OF THE LOW-LEVEL JET ACROSS SRN OH WITH THIS CONVECTION

EXPANDING EWD ACROSS WV AND SRN PA THIS AFTERNOON. ALTHOUGH A

TORNADO THREAT MAY DEVELOP ACROSS PARTS OF THE CNTRL APPALACHIAN

MTNS DUE TO THE VERY STRONG LOW-LEVEL SHEAR...THE GREATEST TORNADO

THREAT SHOULD EXIST SWWD ACROSS ERN KY WHERE LOW-LEVEL MOISTURE WILL

BE MORE FAVORABLE AND SFC DEWPOINTS COULD REACH 60 F. FURTHER TO THE

NORTHEAST IN WV...WRN VA AND MD...THE MAIN THREAT SHOULD BE WIND

DAMAGE AS A LINE MOVES OVER THE CREST OF THE APPALACHIAN MTNS THIS

AFTERNOON. AS THE LINE MOVES EWD INTO THE MID-ATLANTIC AND COASTAL

PLAINS OF THE CAROLINAS...A WIND DAMAGE THREAT SHOULD DEVELOP THIS

EVENING.

..BROYLES.. 02/28/2011

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Mount Vernon, IL is now included in a new tornado warning.

Tornado Warning

TORNADO WARNINGILC081-280700-/O.NEW.KPAH.TO.W.0008.110228T0614Z-110228T0700Z/BULLETIN - EAS ACTIVATION REQUESTEDTORNADO WARNINGNATIONAL WEATHER SERVICE PADUCAH KY1214 AM CST MON FEB 28 2011THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A* TORNADO WARNING FOR... JEFFERSON COUNTY IN SOUTH CENTRAL ILLINOIS...* UNTIL 100 AM CST.* AT 1209 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO ALONG A LINE EXTENDING FROM 27 MILES NORTHWEST OF WOODLAWN TO 22 MILES WEST OF WOODLAWN TO 30 MILES WEST OF WOODLAWN...MOVING EAST AT 65 MPH. THIS LINE HAS A HISTORY OF PRODUCING 60 MPH WINDS IN CLINTON COUNTY...AND STRUCTURAL DAMAGE IN THE ST. LOUIS METRO AREA.* LOCATIONS IN THE WARNING INCLUDE... WOODLAWN... MOUNT VERNON... BLUFORD...PRECAUTIONARY/PREPAREDNESS ACTIONS...NOW IS THE TIME TO IMPLEMENT YOUR TORNADO PLAN OF ACTION. SEEKSHELTER INDOORS IN A BASEMENT...OR IN AN INTERIOR ROOM ON THE LOWESTFLOOR OF A HOME OR BUILDING.IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCINGQUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.&&LAT...LON 3848 8871 3818 8871 3822 8916 3827 8916 3827 8915 3847 8915 3848 8914TIME...MOT...LOC 0613Z 271DEG 58KT 3859 8932 3843 8933 3828 8951$

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Tornado Warning for Centerville, Missouri

Tornado Warning

TORNADO WARNINGMOC093-179-280700-/O.NEW.KLSX.TO.W.0009.110228T0618Z-110228T0700Z/BULLETIN - EAS ACTIVATION REQUESTEDTORNADO WARNINGNATIONAL WEATHER SERVICE ST LOUIS MO1218 AM CST MON FEB 28 2011THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A* TORNADO WARNING FOR... IRON COUNTY IN SOUTHEAST MISSOURI... NORTHERN REYNOLDS COUNTY IN SOUTHEAST MISSOURI...* UNTIL 100 AM CST* AT 1214 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 10 MILES SOUTHWEST OF VIBURNUM...OR 15 MILES EAST OF SALEM...AND MOVING EAST AT 70 MPH.* LOCATIONS IMPACTED INCLUDE... VIBURNUM...BIXBY...REYNOLDS...OATES...BELLEVIEW...GLOVER... CORRIDON...CENTERVILLE...BLACK...LESTERVILLE...HOGAN...SABULA... CHLORIDE AND GRANITE.PRECAUTIONARY/PREPAREDNESS ACTIONS...TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF ASTURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OROUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECTYOURSELF FROM FLYING DEBRIS.&&LAT...LON 3747 9123 3750 9123 3751 9126 3759 9126 3760 9117 3769 9117 3770 9116 3772 9116 3773 9112 3773 9065 3738 9068 3738 9116TIME...MOT...LOC 0618Z 273DEG 69KT 3760 9116$$GKS

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Just pushed out a 05Z SmartModel run, still showing a high threat for Tornadoes in the NW AR to SE MO areas. I am still seeing potential for F1-F2 type Tornadoes in that region. I have updated graphical and city outputs. Other areas ahead of the Thunderstorms, still showing potential winds of 65-75kt and hail up to 1.75" http://smartwxmodel.net

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906

NWUS53 KIND 280631

LSRIND

PRELIMINARY LOCAL STORM REPORT

NATIONAL WEATHER SERVICE INDIANAPOLIS IN

131 AM EST MON FEB 28 2011

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON

.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.

..REMARKS..

0120 AM TSTM WND DMG 1 W INGALLS 39.96N 85.82W

02/28/2011 MADISON IN EMERGENCY MNGR

HOUSE DESTROYED AS A COUPLE OF WALLS WERE KNOCKED DOWN.

JH

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425

NWUS53 KIND 280651

LSRIND

PRELIMINARY LOCAL STORM REPORT

NATIONAL WEATHER SERVICE INDIANAPOLIS IN

151 AM EST MON FEB 28 2011

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON

.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.

..REMARKS..

0120 AM TSTM WND DMG 1 W INGALLS 39.96N 85.82W

02/28/2011 MADISON IN EMERGENCY MNGR

POLE BARN DESTROYED. A CAR IN THE BARN WAS MOVED 4O TO 50

FEET.

JH

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