Tornado Watch 204

Issued

Apr 25, 2011, 2:41 PM CDT (19:41 UTC)

Expired

Apr 25, 2011, 11:57 PM CDT

In force

9 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

60 kt

The Ft Hood radar (KGRK), 63 km from the middle of the area, began a volume at 19:42 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

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

50%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 568Apr 25, 10:46 AM CDT
• Mesoscale Discussion 571Apr 25, 1:28 PM CDT
• Mesoscale Discussion 573Apr 25, 2:16 PM CDT
• Mesoscale Discussion 577Apr 25, 5:21 PM CDT
• Mesoscale Discussion 579Apr 25, 6:57 PM CDT
• Mesoscale Discussion 581Apr 25, 9:37 PM CDT

955 
WWUS20 KWNS 251943
SEL4
SPC WW 251943
TXZ000-260300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 204
NWS STORM PREDICTION CENTER NORMAN OK
245 PM CDT MON APR 25 2011

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

       CENTRAL AND EASTERN TEXAS

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 3 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 120 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES EAST NORTHEAST OF
WACO TEXAS TO 20 MILES EAST SOUTHEAST OF AUSTIN TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).

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 200...WW 201...WW
202...WW 203...

DISCUSSION...SEVERE TSTM THREAT IS EXPECTED TO INCREASE THROUGH THE
AFTERNOON. THIS WILL BE IN ASSOCIATED WITH A BAND OF CONFLUENCE
ACROSS EASTERN TX...IN ADDITION TO INCREASING DEEP CONVECTION IN
VICINITY OF THE CENTRAL TX/HILL COUNTRY DRYLINE. STRONG INSTABILITY
COUPLED WITH THE SOUTHERN PERIPHERY OF STRONGER FLOW ALOFT WILL
SUPPORT SUPERCELLS CAPABLE OF LARGE HAIL AND ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27030.


...GUYER/HART

Tornado Watches in Texas, 2011Every tornado watch in 2011

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.