

464 

WWUS20 KWNS 081854

SEL0

SPC WW 081854

INZ000-KYZ000-OHZ000-090000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 50

NWS STORM PREDICTION CENTER NORMAN OK

255 PM EDT SUN MAR 8 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       INDIANA

       CENTRAL KENTUCKY

       WESTERN OHIO



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 255 PM UNTIL 800

PM EDT.



TORNADOES...HAIL TO 2 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 55 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHEAST OF

MUNCIE INDIANA TO 20 MILES SOUTHWEST OF BOWLING GREEN KENTUCKY.

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.



OTHER WATCH INFORMATION...CONTINUE...WW 48...WW 49...



DISCUSSION...VERY DYNAMIC SITUATION THIS AFTERNOON/EVENING ACROSS WW

AS VERY STRONG UPPER SYSTEM AND ASSOCIATED 90+ KT MID LEVEL/55+ KT

H85 JETS EJECT ACROSS THIS REGION.  SURFACE WARM FRONT WILL LIKELY

BE LIFTED SLIGHTLY NWD THROUGH THE LATE AFTERNOON AS LOW CENTER

DEEPENS INTO SRN LAKE MI.  DESPITE THE LIMITED INSTABILITY...DEEP

ASCENT ALONG AND AHEAD OF SURFACE COLD FRONT SHOULD SUSTAIN

SEMI-DISCRETE LINE OF SUPERCELLS/SMALL BOW ECHOES MOVING RAPIDLY

ENEWD THROUGH THE EARLY TO MID EVENING.  THREAT OF WIND DAMAGE WILL

BE PARAMOUNT WITH THESE STORMS...ALTHOUGH EXTREME LOW LEVEL SHEAR

WILL ALSO SUPPORT A THREAT OF ISOLATED TORNADOES.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

400. MEAN STORM MOTION VECTOR 24045.





...EVANS

