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000 

WWUS20 KWNS 262019

SEL4

SPC WW 262019

INZ000-KYZ000-TNZ000-270300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 194

NWS STORM PREDICTION CENTER NORMAN OK

320 PM CDT THU APR 26 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN INDIANA

       CENTRAL AND EASTERN KENTUCKY

       MIDDLE AND EASTERN TENNESSEE



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 320 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 1.5 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 80 STATUTE

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

LEXINGTON KENTUCKY TO 40 MILES SOUTH OF CROSSVILLE TENNESSEE.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 191...WW 192...WW 193...



DISCUSSION...TSTMS EXPECTED TO INCREASE IN NUMBER AND INTENSITY OVER

THE NEXT 3-4 HOURS OVER THE OH/TN VLYS AS HEATING CONTINUES

MODERATELY SHEARED ENVIRONMENT ON CYCLONIC SIDE OF 50 KT JET STREAK

LIFTING NEWD AROUND MO UPR LOW.  RELATIVELY WEAK CONVERGENCE SHOULD

KEEP STORMS FAIRLY DISCRETE AND/OR IN BROKEN BANDS.  COUPLED WITH

40-50 KT DEEP SWLY SHEAR AND POTENTIAL FOR LOW LEVEL ROTATION INVOF

DIFFUSE BOUNDARY IN EASTERN PART OF WW /LEFT FROM EARLIER

STORMS/...POTENTIAL WILL EXIST FOR SUPERCELLS WITH HAIL/WIND AND

TORNADOES.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 23035.





...CORFIDI

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