Tornado Watch 196

Issued

Apr 24, 2011, 4:54 PM CDT (21:54 UTC)

Expired

Apr 25, 2011, 12:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

70 kt

The Dyess AFB radar (KDYX), 16 km from the middle of the area, began a volume at 21:56 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

60%

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

80%

One or more hailstones of 2 inches or more

60%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 550Apr 24, 1:13 PM CDT
• Mesoscale Discussion 553Apr 24, 4:51 PM CDT
• Mesoscale Discussion 560Apr 24, 8:48 PM CDT
• Mesoscale Discussion 562Apr 24, 11:25 PM CDT

887 
WWUS20 KWNS 242154
SEL6
SPC WW 242154
TXZ000-250500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 196
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CDT SUN APR 24 2011

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

       NORTH CENTRAL TEXAS

EFFECTIVE THIS SUNDAY AFTERNOON FROM 455 PM UNTIL MIDNIGHT CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES WEST SOUTHWEST OF
BROWNWOOD TEXAS TO 40 MILES WEST NORTHWEST OF SHERMAN 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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 193. WATCH NUMBER 193 WILL NOT BE IN
EFFECT AFTER 455 PM CDT. CONTINUE...WW 192...WW 194...WW 195...

DISCUSSION...SUPERCELL THUNDERSTORMS HAVE DEVELOP ALONG DRY LINE AND
WITH EXPECTED INCREASING LOW LEVEL JET BY THIS EVENING...NOT ONLY
VERY LARGE HAIL BUT TORNADOS WILL BE POSSIBLE.  ADDITIONAL SEVERE
THUNDERSTORMS WILL CONTINUE DEVELOPING N AND E THRU THE REMAINDER OF
THE AFTERNOON/EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 26025.


...HALES

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.