Tornado Watch 231

Issued

May 8, 2005, 11:50 AM CDT (16:50 UTC)

Expired

May 8, 2005, 7:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

The Austin/San Antonio radar (KEWX), 47 km from the middle of the area, began a volume at 16:50 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.

• Mesoscale Discussion 774May 8, 11:26 AM CDT
• Mesoscale Discussion 775May 8, 1:06 PM CDT
• Mesoscale Discussion 778May 8, 2:44 PM CDT
• Mesoscale Discussion 780May 8, 3:54 PM CDT
• Mesoscale Discussion 784May 8, 6:42 PM CDT

000 
WWUS20 KWNS 081647
SEL1  
SPC WW 081647
TXZ000-CWZ000-090000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 231
NWS STORM PREDICTION CENTER NORMAN OK
1150 AM CDT SUN MAY 8 2005

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

       SOUTHERN TEXAS
       COASTAL WATERS

EFFECTIVE THIS SUNDAY MORNING AND EVENING FROM 1150 AM UNTIL 700
PM CDT.

TORNADOES...HAIL TO 2.5 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 65 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 70 MILES WEST SOUTHWEST OF HONDO
TEXAS TO 10 MILES EAST SOUTHEAST OF GALVESTON TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).

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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 230. WATCH NUMBER 230 WILL NOT BE IN
EFFECT AFTER 1150 AM CDT. 

DISCUSSION...STORMS EXPECTED TO CONTINUE DEVELOPING IN VICINITY OF
AND SOUTH OF OUTFLOW BOUNDARY OVER PORTIONS OF SRN TX WHERE MLCAPE
FROM 2500 TO 3000 J/KG IS EXPECTED THIS AFTERNOON. VERTICAL SHEAR
PROFILES WILL SUPPORT ORGANIZED STORMS INCLUDING SUPERCELLS AND BOW
ECHOES WITH ISOLATED TORNADOES...LARGE HAIL AND DAMAGING WIND
POSSIBLE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 26035.


...DIAL/EVANS

295,1001 301,0943 281,0943 280,1001

Tornado Watches in Texas, 2005Every tornado watch in 2005

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.