Severe Thunderstorm Watch 77

Issued

Apr 8, 2002, 1:00 AM CDT (06:00 UTC)

Expired

Apr 8, 2002, 5:00 AM CDT

In force

4 hr

Issued by

the Storm Prediction Center

Counties Aransas County, TX, Atascosa County, TX, Bee County, TX, Bexar County, TX, DeWitt County, TX, Frio County, TX, Goliad County, TX, Gonzales County, TX, Jackson County, TX, Karnes County, TX, La Salle County, TX, Lavaca County, TX, Live Oak County, TX, McMullen County, TX, Medina County, TX, Refugio County, TX, Victoria County, TX, Wilson County, TX

The Austin/San Antonio radar (KEWX), 86 km from the middle of the area, began a volume at 06:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
WWUS20 KWNS 080530
SEL7  
SPC WW 080526
TXZ000-CWZ000-081000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 77
STORM PREDICTION CENTER NORMAN OK
1226 AM CDT MON APR 8 2002

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

   SOUTH TEXAS                              
   COASTAL WATERS                     

EFFECTIVE THIS MONDAY MORNING FROM 100 AM UNTIL 500 AM CDT.

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 50 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH NORTHWEST OF COTULLA
TEXAS TO 20 MILES EAST OF VICTORIA 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.

OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 75.  WATCH NUMBER 75 WILL NOT BE
IN EFFECT AFTER 100 AM CDT.  CONTINUE...WW 76...

DISCUSSION...SEVERE THUNDERSTORMS INCLUDING A FEW SUPERCELLS WILL
LIKELY CONTINUE TO DEVELOP ALONG AND JUST NORTH OF E-W ORIENTED
SURFACE BOUNDARY EXTENDING FROM SOUTHEAST TX INTO THE RIO GRANDE
VALLEY.  MODERATE TO STRONG INSTABILITY SHOULD ENHANCE THE THREAT
OF LARGE HAIL AS THE STORMS DEVELOP EWD OVERNIGHT.  ACTIVITY WILL
LIKELY REMAIN SLIGHTLY ELEVATED... WITH STRONG CAP HOLDING SOUTH OF
THIS SURFACE FRONT.

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 550.  MEAN STORM
MOTION VECTOR 26035.


...EVANS

293,0992 293,0963 280,0963 280,0992

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; radar from the NEXRAD Level II archive.