Thursday, April 26, 2007

WATCHES: Tornado Watch Number 194

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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