Tornado Watch 263

Issued

Apr 29, 2006, 12:47 PM CDT (17:47 UTC)

Expired

Apr 29, 2006, 9:00 PM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

70 kt

The Shreveport radar (KSHV), 120 km from the middle of the area, began a volume at 17:48 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

70%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

30%

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

90%

• Mesoscale Discussion 692Apr 29, 9:57 AM CDT
• Mesoscale Discussion 693Apr 29, 10:05 AM CDT
• Mesoscale Discussion 694Apr 29, 11:55 AM CDT
• Mesoscale Discussion 695Apr 29, 2:34 PM CDT
• Mesoscale Discussion 696Apr 29, 6:26 PM CDT

000 
WWUS20 KWNS 291750
SEL3  
SPC WW 291750
ARZ000-LAZ000-OKZ000-TXZ000-CWZ000-300200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 263
NWS STORM PREDICTION CENTER NORMAN OK
1245 PM CDT SAT APR 29 2006

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

       CENTRAL AND WESTERN ARKANSAS
       NORTHERN AND WESTERN LOUISIANA
       EASTERN OKLAHOMA
       EASTERN TEXAS
       COASTAL WATERS

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL
900 PM CDT.

TORNADOES...HAIL TO 2 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 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHWEST OF
FAYETTEVILLE ARKANSAS TO 35 MILES WEST SOUTHWEST OF INTRACOASTAL
CITY LOUISIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 TORNADO
WATCH NUMBER 262. WATCH NUMBER 262 WILL NOT BE IN EFFECT AFTER
1245 PM CDT. 

DISCUSSION...VIGOROUS TROUGH ROTATING NEWD ACROSS TX WILL SUPPORT
DEVELOPMENT OF SEVERE THUNDERSTORMS ALONG AND AHEAD OF COLD FRONT
NOW MOVING ACROSS EASTERN OK/NERN TX.  IN ADDITION ONGOING SEVERE
THUNDERSTORMS SERN TX/SWRN LA WILL CONTINUE AS A STRONG VERY MOIST
AIR MASS SPREADS INLAND.  EXCEPTIONALLY STRONG SHEAR PROFILES WILL
SUPPORT SUPERCELLS ALONG WITH TORNADOS.  IN ADDITION DAMAGING WINDS
ALSO WILL BE ASSOCIATED WITH SHORT LINE SEGMENTS/BOWS THAT DEVELOP
DURING THE AFTERNOON/EVENING AS ACTIVITY GRADUALLY MOVES EWD.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 23040.


...HALES

Tornado Watches in Arkansas, 2006Tornado Watches in Louisiana, 2006Tornado Watches in Texas, 2006Every tornado watch in 2006

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.