Tornado Watch 207

Issued

Apr 25, 2011, 9:23 PM CDT (02:23 UTC)

Expired

Apr 26, 2011, 4:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Jackson/Brandon,MS radar (KDGX), 128 km from the middle of the area, began a volume at 02:27 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

60%

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

80%

• Mesoscale Discussion 580Apr 25, 7:34 PM CDT
• Mesoscale Discussion 582Apr 25, 11:05 PM CDT

712 
WWUS20 KWNS 260223
SEL7
SPC WW 260223
ARZ000-LAZ000-MSZ000-260900-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 207
NWS STORM PREDICTION CENTER NORMAN OK
925 PM CDT MON APR 25 2011

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

       SMALL PART OF SOUTHEAST ARKANSAS
       SMALL PART OF NORTHEAST LOUISIANA
       MUCH OF CENTRAL MISSISSIPPI

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 925 PM UNTIL
400 AM 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 NORTH NORTHWEST OF
GREENWOOD MISSISSIPPI TO 55 MILES WEST SOUTHWEST OF JACKSON
MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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 204...WW 205...WW 206...

DISCUSSION...SEVERE THUNDERSTORMS ACROSS AR HAVE EVOLVED INTO A
SQUALL LINE WHICH WILL CONTINUE E/SEWD INTO CENTRAL MS.  WHILE
DAMAGING WINDS WILL BE THE PRIMARY THREAT...STRONG SHEAR PROFILES
AND MLCAPES AOA 1000 J/KG WILL CONTINUE TO SUPPORT EMBEDDED
SUPERCELLS AND POSSIBLE TORNADOS IN THE SQUALL LINE.

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 24035.


...HALES

Tornado Watches in Mississippi, 2011Tornado Watches in Louisiana, 2011Tornado Watches in Arkansas, 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.