Tornado Watch 262

Issued

Apr 29, 2006, 6:04 AM CDT (11:04 UTC)

Expired

Apr 29, 2006, 1:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Shreveport radar (KSHV), 84 km from the middle of the area, began a volume at 11:03 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

10%

Ten or more severe hail reports

10%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

30%

• Mesoscale Discussion 690Apr 29, 4:03 AM CDT
• Mesoscale Discussion 691Apr 29, 7:37 AM CDT
• Mesoscale Discussion 692Apr 29, 9:57 AM CDT
• Mesoscale Discussion 694Apr 29, 11:55 AM CDT

000 
WWUS20 KWNS 291102
SEL2  
SPC WW 291102
ARZ000-LAZ000-TXZ000-CWZ000-291800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 262
NWS STORM PREDICTION CENTER NORMAN OK
600 AM CDT SAT APR 29 2006

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

       SOUTHWEST ARKANSAS
       WESTERN LOUISIANA
       EASTERN AND SOUTHEAST TEXAS
       COASTAL WATERS

EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 600 AM UNTIL
100 PM CDT.

TORNADOES...HAIL TO 1.5 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 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES EAST NORTHEAST OF
TEXARKANA ARKANSAS TO 25 MILES SOUTH OF GALVESTON TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

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 260. WATCH NUMBER 260 WILL NOT BE IN EFFECT AFTER
600 AM CDT. 

DISCUSSION...SQUALL LINE WITH EMBEDDED SUPERCELLS EXPECTED TO
CONTINUE E ACROSS THE SABINE RVR LATER THIS MORNING AS BOUNDARY
LAYER MOISTURE RETURN CONTINUES AHEAD OF IT WITH 50+ KT LLJ. 
STRONGLY VEERING LOW LEVEL WIND PROFILES...HIGH BOUNDARY LAYER
MOISTURE CONTENT AND MODEST SURFACE HEATING MAY INCREASE CHANCES FOR
ISOLATED TORNADOES INVOF MCS...AND POSSIBLY ALONG WARM FRONT TO ITS
EAST...THROUGH MIDDAY.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25040.


...CORFIDI

Tornado Watches in Texas, 2006Tornado Watches in Louisiana, 2006Tornado Watches in Arkansas, 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.