Tornado Watch 343

Issued

May 27, 2002, 1:15 PM CDT (18:15 UTC)

Expired

May 27, 2002, 8:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

000 
WWUS20 KWNS 271803
SEL3  
SPC WW 271758
TXZ000-280100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 343
STORM PREDICTION CENTER NORMAN OK
1258 PM CDT MON MAY 27 2002

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   SOUTHWEST TEXAS                              

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 115 PM UNTIL 800
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 120 STATUTE MILES EAST AND WEST
OF A LINE FROM 55 MILES NORTH NORTHEAST OF BIG SPRING TEXAS TO 95
MILES EAST SOUTHEAST OF SANDERSON TEXAS.

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 342...

DISCUSSION...EXISTING THUNDERSTORMS EXPECTED TO INTENSIFY...WITH
ADDITIONAL DEVELOPMENT /INCLUDING SUPERCELLS /LIKELY AS SURFACE
HEATING CONTINUES BENEATH 40 KT WSW MID LEVEL FLOW ASSOCIATED WITH
NM UPPER IMPULSE.  SUFFICIENT BOUNDARY LAYER MOISTURE AND LOW LEVEL
VEERING WILL BE PRESENT FOR POSSIBLE TORNADOES.  LARGE HAIL QUITE
LIKELY GIVEN COOL MID LEVEL TEMPERATURES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 28030.

...CORFIDI

325,0990 293,0985 293,1025 325,1031

Tornado Watches in Texas, 2002Every tornado watch in 2002

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.