Tornado Watch 214

Issued

May 2, 2007, 7:59 PM CDT (00:59 UTC)

Expired

May 3, 2007, 3:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

70 kt

The Shreveport radar (KSHV), 118 km from the middle of the area, began a volume at 00:58 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

80%

One or more gusts of 65 knots or more

30%

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

95%

• Mesoscale Discussion 651May 2, 5:08 PM CDT
• Mesoscale Discussion 654 Tornado watch 211May 2, 6:54 PM CDT
• Mesoscale Discussion 655May 2, 7:24 PM CDT
• Mesoscale Discussion 657May 2, 9:30 PM CDT
• Mesoscale Discussion 659May 2, 11:09 PM CDT
• Mesoscale Discussion 662May 3, 1:21 AM CDT

000
WWUS20 KWNS 030105
SEL4  
SPC WW 030105
ARZ000-LAZ000-OKZ000-TXZ000-030800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 214
NWS STORM PREDICTION CENTER NORMAN OK
800 PM CDT WED MAY 2 2007

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

       SOUTHWEST ARKANSAS
       NORTHERN AND WESTERN LOUISIANA
       EXTREME SOUTHEAST OKLAHOMA
       CENTRAL AND EASTERN TEXAS

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 800 PM
UNTIL 300 AM CDT.

TORNADOES...HAIL TO 1.5 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 90 STATUTE
MILES EITHER SIDE OF A LINE FROM 15 MILES WEST SOUTHWEST OF
CORSICANA TEXAS TO 30 MILES SOUTH SOUTHEAST OF EL DORADO
ARKANSAS.  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 210...WW 211...WW
212...WW 213...

DISCUSSION...N TX MCS APPEARS TO BE INFLUENCING LARGER SCALE
ENVIRONMENT DOWNSTREAM TOWARD THE ARKLATEX...WHERE AREA VWP AND
PROFILER DATA SHOW ENHANCED SLY LOW LEVEL AND WSWLY MID LEVEL FLOW
RELATIVE TO FORECASTS.  FWD VWP SHOWS 50 KT WSWLY REAR INFLOW JET
BETWEEN 1 AND 4 KM...SUGGESTING THAT STORMS WILL CONTINUE TO FORM ON
LEADING EDGE OF COLD POOL AS IT CONTINUES ENE TOWARD TYR/GGG/SHV. 
COUPLED WITH RICH LOW LEVEL MOISTURE AND POTENTIAL FOR ISOLATED
STORMS TO FORM ALONG STALLED WSW/ENE BOUNDARY NEAR THE
ARKLATEX...POTENTIAL WILL EXIST FOR ISOLATED TORNADOES...IN ADDITION
TO FURTHER BOWING SEGMENTS WITH HIGH WIND.  TORNADO THREAT MAY ALSO
BE GREATER ALONG TRACK OF STORM CLUSTER NOW N OF AUS...AS THAT
FEATURE INTERACTS WITH SRN SIDE OF STALLING COLD POOL OUTFLOW
BOUNDARY N OF CLL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.


...CORFIDI

Tornado Watches in Texas, 2007Tornado Watches in Louisiana, 2007Tornado Watches in Arkansas, 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.