Severe Thunderstorm Watch 376

Issued

Jun 11, 2012, 8:37 PM CDT (01:37 UTC)

Expired

Jun 12, 2012, 1:04 AM CDT

In force

4 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Jackson/Brandon,MS radar (KDGX), 71 km from the middle of the area, began a volume at 01:38 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

10%

One or more EF2 to EF5 tornadoes

2%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

30%

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

70%

• Mesoscale Discussion 1129Jun 11, 7:33 PM CDT
• Mesoscale Discussion 1132Jun 11, 10:51 PM CDT

567 
WWUS20 KWNS 120138
SEL6
SPC WW 120138
ALZ000-LAZ000-MSZ000-120700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 376
NWS STORM PREDICTION CENTER NORMAN OK
840 PM CDT MON JUN 11 2012

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

       SOUTHWEST ALABAMA
       PARTS OF SOUTHEAST LOUISIANA
       SOUTHERN MISSISSIPPI

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 840 PM UNTIL
200 AM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTH
SOUTHWEST OF NATCHEZ MISSISSIPPI TO 65 MILES EAST SOUTHEAST OF
MERIDIAN MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 374...WW 375...

DISCUSSION...LONG-LIVED MCS WITH DAMAGING WINDS/ISOLD LARGE HAIL
WILL LIKELY PERSIST FOR A FEW MORE HOURS WHILE MOVING SEWD TOWARD
SRN MS AND ADJACENT AREAS OF SE LA/SW AL.  THE SEVERE STORM RISK
WILL BE MAINTAINED BY STRONG INSTABILITY THAT IS EXPECTED TO LINGER
WHERE SURFACE TEMPERATURES WARMED TO NEAR 90 F DURING THE AFTERNOON.

AVIATION...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 550. MEAN STORM
MOTION VECTOR 32030.


...THOMPSON

Severe Thunderstorm Watches in Mississippi, 2012Severe Thunderstorm Watches in Louisiana, 2012Severe Thunderstorm Watches in Alabama, 2012Every severe thunderstorm watch in 2012

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.