Severe Thunderstorm Watch 76

Issued

Mar 25, 2003, 8:45 PM CST (02:45 UTC)

Expired

Mar 26, 2003, 2:00 AM CST

In force

5 hr

Issued by

the Storm Prediction Center

• Mesoscale Discussion 332Mar 25, 7:45 PM CST
• Mesoscale Discussion 333Mar 25, 8:11 PM CST
• Mesoscale Discussion 334Mar 25, 9:40 PM CST
• Mesoscale Discussion 335Mar 25, 10:09 PM CST
• Mesoscale Discussion 336Mar 25, 11:25 PM CST

000 
WWUS20 KWNS 260251
SEL6
SPC WW 260245
LAZ000-TXZ000-260800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 76
STORM PREDICTION CENTER NORMAN OK
845 PM CST TUE MAR 25 2003

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

   NORTHWEST LOUISIANA                          
   EASTERN AND SOUTHERN TEXAS                              

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 845 PM
UNTIL 200 AM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES
EITHER SIDE OF A LINE FROM 15 MILES WEST OF LAREDO TEXAS TO 15
MILES NORTH NORTHEAST OF EL DORADO ARKANSAS.

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.

OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 73...SEVERE THUNDERSTORM WATCH
NUMBER 74.  WATCH NUMBER 73...74 WILL NOT BE IN EFFECT AFTER 845 PM
CST.  CONTINUE...WW 75...

DISCUSSION...SCATTERED AREAS WITH A POTENTIAL FOR HAIL AND POSSIBLY
LOCALLY DAMAGING WIND EXPECTED TO PERSIST FOR THE NEXT FEW HOURS
OVER WW REGION.  EXISTING DIURNALLY-DRIVEN STORMS EXPECTED TO MERGE
INTO SMALL MCSS OVER NE TX/NW LA...OVER E CNTRL TX /SE OF AUS/...
AND OVER THE LWR RIO GRANDE /NEAR LRD/ AS BIG BEND AREA UPPER
TROUGH CONTINUES ESEWD.  CELL PROPAGATION IN THE SYSTEMS SHOULD BE
MAINLY TOWARD THE S AND E.  THIS SHOULD BE THE DOMINANT DIRECTION
OF MOTION OF THE OVERALL CONVECTIVE SYSTEMS TOO.  

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 26025.

...CORFIDI

324,0920 264,0990 281,1002 340,0932

Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in Louisiana, 2003Severe Thunderstorm Watches in Arkansas, 2003Every severe thunderstorm watch in 2003

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.