Tornado Watch 216

Issued

May 2, 2007, 10:48 PM CDT (03:48 UTC)

Expired

May 3, 2007, 3:48 AM CDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Corpus Christi radar (KCRP), 36 km from the middle of the area, began a volume at 03:47 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

30%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 655May 2, 7:24 PM CDT
• Mesoscale Discussion 658May 2, 9:57 PM CDT
• Mesoscale Discussion 663May 3, 1:52 AM CDT

000
WWUS20 KWNS 030347
SEL6  
SPC WW 030347
TXZ000-CWZ000-031100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 216
NWS STORM PREDICTION CENTER NORMAN OK
1045 PM CDT WED MAY 2 2007

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

       SOUTH TEXAS
       COASTAL WATERS

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1045 PM
UNTIL 600 AM CDT.

TORNADOES...HAIL TO 2 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 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHWEST OF
PALACIOS TEXAS TO 105 MILES SOUTH SOUTHWEST OF ALICE TEXAS.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

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...CONTINUE...WW 212...WW 214...WW 215...

DISCUSSION...SEMI-DISCRETE STORMS/SUPERCELLS EXPECTED TO PERSIST
THROUGH EARLY THURSDAY ALONG AND AHEAD OF COMPOSITE OUTFLOW BOUNDARY
MOVING SEWD FROM PREVIOUS STORMS.  REGION WILL BE GLANCED BY 40+ KT
WLY MID LEVEL JET ROUNDING BASE OF NEG TILT W TX TROUGH.  COUPLED
WITH VERY RICH MOISTURE AVAILABILITY AND BACKED LOW LEVEL
FLOW...CONVERGENCE MAY PROVE SUFFICIENT TO POSE A CONTINUING THREAT
FOR LARGE HAIL/HIGH WIND AND POSSIBLE TORNADOES.

AVIATION...TORNADOES AND 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.


...CORFIDI

Tornado Watches in Texas, 2007Every tornado watch in 2007

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.