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Sept. 14-30 Severe Weather thread


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Massive confusion with the news here... Apparently we had a tornado warning issued at 1103 then expired at 1105?

A new/replaced tornado warning was issued at 11:03 PM EDT and the old warning was expired at 11:05 PM EDT.

SEVERE WEATHER STATEMENT

NATIONAL WEATHER SERVICE LOUISVILLE KY

1005 PM CDT SUN SEP 25 2011

KYC031-061-085-260314-

/O.EXP.KLMK.TO.W.0115.000000T0000Z-110926T0300Z/

BUTLER KY-EDMONSON KY-GRAYSON KY-

1005 PM CDT SUN SEP 25 2011

...THE TORNADO WARNING FOR SOUTHERN GRAYSON...NORTHWESTERN EDMONSON

AND NORTHEASTERN BUTLER COUNTIES HAS EXPIRED...

HOWEVER A NEW TORNADO WARNING IS IN EFFECT FOR GRAYSON COUNTY UNTIL

1030 PM CDT. TAKE SHELTER IMMEDIATELY!

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DTX showing a little concern tomorrow into tomorrow night.

SURFACE COLD FRONT PROVIDING GOOD LOW

LEVEL CONVERGENCE. WITH SUCH DYNAMIC SYSTEM AND LOW LEVEL WIND SHEAR

(0-1KM BULK SHEAR 25-35 KNOTS)...THERE IS CONCERN CELLS MAY TRY TO

ORGANIZE/SPIN...BUT WE ARE HOPEFUL INSTABILITY WILL REMAIN ON THE

MARGINAL SIDE...AS NO BREAKS IN THE CLOUDS ARE ANTICIPATED...EXCEPT

POSSIBLY THUMB REGION.

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 856

NWS STORM PREDICTION CENTER NORMAN OK

645 AM EDT MON SEP 26 2011

THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF

CENTRAL KENTUCKY

SOUTHWEST OHIO

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 645 AM UNTIL 100

PM EDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.

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Well, we'll see what happens. Aha! Cancelled after one hour.

SEVERE WEATHER BULLETIN

ISSUED BY ENVIRONMENT CANADA

AT 3:34 PM EDT MONDAY 26 SEPTEMBER 2011.

---------------------------------------------------------------------

WATCHES/WARNINGS IN EFFECT FOR SOUTHERN ONTARIO...

SEVERE THUNDERSTORM WATCH FOR:

=NEW= OXFORD - BRANT

=NEW= HURON - PERTH

=NEW= KITCHENER - CAMBRIDGE - REGION OF WATERLOO

=NEW= SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.

SEVERE THUNDERSTORMS POSSIBLE EARLY THIS EVENING.

THIS IS AN ALERT TO THE POTENTIAL DEVELOPMENT OF SEVERE

THUNDERSTORMS WITH LARGE HAIL, DAMAGING WINDS OR HEAVY

RAINFALL..MONITOR WEATHER CONDITIONS AND LISTEN FOR UPDATED

BULLETINS.

---------------------------------------------------------------------

==DISCUSSION==

A CLUSTER OF THUNDERSTORMS HAVE DEVELOPED THAT HAVE THE POTENTIAL TO

BECOME SEVERE. THE MAIN THREATS FOR THESE STORMS WOULD BE DAMAGING

WIND GUSTS AND HEAVY DOWNPOURS.

REMEMBER THAT SOME SEVERE THUNDERSTORMS CAN ALSO PRODUCE TORNADOES.

REFER TO YOUR LOCAL PUBLIC FORECAST FOR FURTHER DETAILS.

END/OSPC

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PUBLIC INFORMATION STATEMENT

NATIONAL WEATHER SERVICE JACKSON MS

420 PM CDT MON SEP 26 2011

...NWS STORM SURVEY TEAM FINDS EF-1 TORNADO DAMAGE IN BOLIVAR AND

SUNFLOWER COUNTIES...

COUNTY: BOLIVAR/SUNFLOWER COUNTIES

BEGINNING POINT: 6 MILES NORTHWEST OF CLEVELAND AT 804 PM

ENDING POINT: 5 MILES EAST-SOUTHEAST OF CLEVELAND AT 822 PM

RATING: EF-1, MAXIMUM ESTIMATED WINDS 100 MPH

LENGTH: 11 MILES

MAXIMUM WIDTH: 800 YARDS

DESCRIPTION OF DAMAGE: THE TORNADO STATED OUT PRODUCING A RELATIVELY

NARROW PATH OF TREE DAMAGE ALONG TOWNSHIP ROAD. IT MOVED SOUTHEAST

THROUGH THE STANTON SUBDIVISION, HEAVILY DAMAGING FOUR TRAILER HOMES

AND CAUSED MINOR TO MODERATE DAMAGE TO SEVERAL OTHER HOMES AND

OUTBUILDINGS. IT CONTINUED TO MOVE SOUTHEAST CAUSING TREE

DAMAGE...AND WIDENED AS IT MOVED INTO THE NORTHWEST SIDE OF THE CITY

OF CLEVELAND. AS THE TORNADO MOVED THROUGH THE NORTH SIDE OF

CLEVELAND...IT SNAPPED AND UPROOTED NUMEROUS TREES...BLEW THE SIGNS

OUT OF SEVERAL RESTAURANTS AND STORES...BLEW THE DOORS OUT OF THE

AUTOMOTIVE AREA OF A DEPARTMENT STORE...AND BLEW OUT A WALL AND A

LARGE PART OF A ROOF OF ANOTHER COMMERCIAL BUILDING. SEVERAL HOMES

SUFFERED SHINGLE DAMAGE AND POWERLINES WERE DOWNED. THE TORNADO THEN

TURNED MORE EASTWARD...CONTINUING TO CAUSE TREE DAMAGE AND

POWERLINES WERE DOWNED. THE TORNADO THEN TURNED MORE

EASTWARD...CONTINUING TO CAUSE TREE DAMAGE AS IT MOVED ALONG AND

JUST NORTH OF STATE HIGHWAY 8 EAST OF CLEVELAND. ADDITIONAL

POWERLINES WERE DOWNED AND A FEW MORE HOMES SUFFERED MINOR ROOF

DAMAGE DUE TO WIND OR BRANCHES FALLING ON THEM. AS THE TORNADO

CROSSED INTO SUNFLOWER COUNTY IT MOVED MORE SOUTHEAST AGAIN. IT

SNAPPED SEVERAL WOODEN POWERPOLES ALONG AND JUST SOUTH OF THE

HIGHWAY 8 ALONG MALLETTE-JONES ROAD...ALONG WITH DESTROYING A

GREENHOUSE TYPE STRUCTURE AND CAUSING SOME ROOF DAMAGE TO A FRAME

HOME. THE TORNADO CONTINUED TO CAUSE TREE DAMAGE IN A RELATIVELY

NARROW PATH AS IT CROSSED WALKER ROAD...AND THEN DISSIPATED BEFORE

REACHING LUSK ROAD.

THE NWS WOULD LIKE TO THANK OUR PARTNERS IN EMERGENCY MANAGEMENT FOR

THEIR ASSISTANCE IN THE STORM DAMAGE SURVEY PROCESS.

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Memphis got lucky, but we're concerned that we may end up suffering from the Joplin effect, letting our guard down. The supercell that came through yesterday shared many of the characteristics of a supercell that came through 4 months prior to the day.

http://tennesseewx.c....html#msg139968

Memphis has been very lucky, because we've had 4 discrete supercells, each with an accompanying hook echo, come through the city in the past 18 months, 3 in the last 5 months. In each case, the hook echo came near or over the downtown area. Only one, on May 1, 2010, actually dropped a tornado in the county, which was in a rural area and very weak.

We've been very lucky, and I fear when our luck may run out.

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