Tornado Watch 33

Issued

Feb 10, 2013, 3:14 PM CST (21:14 UTC)

Expired

Feb 10, 2013, 11:00 PM CST

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Mobile radar (KMOB), 92 km from the middle of the area, began a volume at 21:17 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

50%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

30%

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

70%

• Mesoscale Discussion 142Feb 10, 2:39 PM CST
• Mesoscale Discussion 143Feb 10, 3:47 PM CST
• Mesoscale Discussion 144Feb 10, 5:03 PM CST
• Mesoscale Discussion 145Feb 10, 6:05 PM CST
• Mesoscale Discussion 146Feb 10, 6:23 PM CST
• Mesoscale Discussion 147Feb 10, 9:32 PM CST

333 
WWUS20 KWNS 102117
SEL3  
SPC WW 102117
ALZ000-MSZ000-110500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 33
NWS STORM PREDICTION CENTER NORMAN OK
315 PM CST SUN FEB 10 2013

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

       SOUTHWEST ALABAMA
       SOUTHEAST MISSISSIPPI

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 315 PM UNTIL
1100 PM CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 155 MILES SOUTHWEST OF SELMA
ALABAMA TO 35 MILES WEST NORTHWEST OF SELMA ALABAMA.  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...CONTINUE...WW 32...

DISCUSSION...A NUMBER OF SUPERCELLS ARE IN PROGRESS THIS AFTERNOON
OVER SRN MS WITHIN A NARROW WARM SECTOR...BOUNDED BY A LONG-LIVED
QLCS TO THE NORTH AND WEST...AND A WARM FRONT SLOWLY PROGRESSING
ENEWD THROUGH SERN MS INTO SWRN AL.  THE WARM SECTOR AIR MASS IS
CHARACTERIZED BY BOUNDARY LAYER DEWPOINTS IN THE MID/UPPER 60S AND
STRONG LOW-LEVEL AND DEEP-LAYER SHEAR WHICH WILL SUPPORT AN
INCREASING RISK FOR TORNADIC SUPERCELLS EWD ACROSS THE WATCH AREA
THIS AFTERNOON INTO EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 24035.


...MEAD

Tornado Watches in Alabama, 2013Tornado Watches in Mississippi, 2013Every tornado watch in 2013

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.