Severe Thunderstorm Watch 30

Issued

Mar 19, 2002, 1:30 PM CST (19:30 UTC)

Expired

Mar 19, 2002, 6:00 PM CST

In force

5 hr

Issued by

the Storm Prediction Center

000 
WWUS20 KWNS 191911
SEL0  
SPC WW 191906
TXZ000-200000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 30
STORM PREDICTION CENTER NORMAN OK
106 PM CST TUE MAR 19 2002

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   SOUTHWEST AND CENTRAL TEXAS                              

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 130 PM UNTIL 600
PM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 80 STATUTE MILES
EITHER SIDE OF A LINE FROM 15 MILES WEST NORTHWEST OF DEL RIO TEXAS
TO 15 MILES NORTH OF BROWNWOOD TEXAS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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.  SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.


DISCUSSION...AIR MASS SHOULD CONTINUE TO DESTABILIZE EWD INTO
CENTRAL TX OVER THE NEXT FEW HOURS AHEAD OF APPROACHING UPPER LOW. 
STRONG DEEP LAYER SHEAR SHOULD SUPPORT SUPERCELLS WITH PRIMARY
THREATS OF LARGE HAIL AND DAMAGING WINDS.


AVIATION...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 450.  MEAN STORM
MOTION VECTOR 23035.


...EVANS

301,1021 324,1000 311,0975 284,1000

WWUS20 KWNS 191911
SEL0  
SPC WW 191906
TXZ000-200000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 30
STORM PREDICTION CENTER NORMAN OK
106 PM CST TUE MAR 19 2002

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   SOUTHWEST AND CENTRAL TEXAS                              

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 130 PM UNTIL 600
PM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 80 STATUTE MILES
EITHER SIDE OF A LINE FROM 15 MILES WEST NORTHWEST OF DEL RIO TEXAS
TO 15 MILES NORTH OF BROWNWOOD TEXAS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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.  SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.


DISCUSSION...AIR MASS SHOULD CONTINUE TO DESTABILIZE EWD INTO
CENTRAL TX OVER THE NEXT FEW HOURS AHEAD OF APPROACHING UPPER LOW. 
STRONG DEEP LAYER SHEAR SHOULD SUPPORT SUPERCELLS WITH PRIMARY
THREATS OF LARGE HAIL AND DAMAGING WINDS.


AVIATION...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 450.  MEAN STORM
MOTION VECTOR 23035.


...EVANS

301,1021 324,1000 311,0975 284,1000

Severe Thunderstorm Watches in Texas, 2002Every severe thunderstorm 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.