Severe Thunderstorm Watch 384

Issued

Jun 12, 2012, 3:56 PM CDT (20:56 UTC)

Expired

Jun 12, 2012, 8:13 PM CDT

In force

4 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Ft Hood radar (KGRK), 107 km from the middle of the area, began a volume at 20:57 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.

Two or more tornadoes

20%

One or more EF2 to EF5 tornadoes

5%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

40%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 1139Jun 12, 12:12 PM CDT
• Mesoscale Discussion 1144Jun 12, 3:28 PM CDT
• Mesoscale Discussion 1146Jun 12, 7:21 PM CDT

781 
WWUS20 KWNS 122057
SEL4
SPC WW 122057
TXZ000-CWZ000-130300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 384
NWS STORM PREDICTION CENTER NORMAN OK
355 PM CDT TUE JUN 12 2012

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

       SOUTHEAST TEXAS
       COASTAL WATERS

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
1000 PM 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 APPROXIMATELY ALONG AND 115
STATUTE MILES EITHER SIDE OF A LINE FROM 50 MILES EAST NORTHEAST
OF COLLEGE STATION TEXAS TO 40 MILES SOUTHWEST OF COLLEGE STATION
TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 381. WATCH NUMBER 381 WILL NOT
BE IN EFFECT AFTER 355 PM CDT. CONTINUE...WW 382...WW 383...

DISCUSSION...ABUNDANT INSTABILITY SHOULD CONTINUE TO FUEL TSTM
CLUSTERS ACROSS SOUTHEAST TX INTO THE EVENING. AS STORM MERGERS
OCCUR AND COLD POOL DEEPENS...IT IS POSSIBLE THAT A MORE ORGANIZED
CONVECTIVE SYSTEM MAY EVOLVE AND SPREAD SSEWD TOWARD THE UPPER TX
COAST. THE PRIMARY THREAT WITH THIS DEVELOPMENT WOULD BE DAMAGING
WINDS. PRIOR TO UPSCALE DEVELOPMENT...OCCASIONAL BURSTS IN STORM
INTENSITY AND ORGANIZATION COULD RESULT IN A FEW HAIL AND LOCALLY
DAMAGING WIND EVENTS.

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 34030.


...CARBIN

Severe Thunderstorm Watches in Texas, 2012Every severe thunderstorm watch in 2012

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.