Tornado Watch 4

Issued

Jan 5, 2007, 7:21 AM CST (13:21 UTC)

Expired

Jan 5, 2007, 3:00 PM CST

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

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

30%

Ten or more severe hail reports

20%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 13Jan 5, 5:46 AM CST
• Mesoscale Discussion 14Jan 5, 9:02 AM CST
• Mesoscale Discussion 16Jan 5, 11:31 AM CST
• Mesoscale Discussion 18Jan 5, 1:16 PM CST
• Mesoscale Discussion 19Jan 5, 2:04 PM CST

000
WWUS20 KWNS 051321
SEL4  
SPC WW 051321
ALZ000-FLZ000-GAZ000-CWZ000-052100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 4
NWS STORM PREDICTION CENTER NORMAN OK
820 AM EST FRI JAN 5 2007

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

       PARTS OF SOUTHERN AND EASTERN ALABAMA
       MUCH OF FLORIDA PANHANDLE
       LARGE PART OF NORTHERN AND WESTERN GEORGIA
       COASTAL WATERS

EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 820 AM UNTIL 400
PM EST.

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 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 50 MILES EAST NORTHEAST OF
ATLANTA GEORGIA TO 30 MILES SOUTHWEST OF PANAMA CITY FLORIDA. 
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 3. WATCH NUMBER 3 WILL NOT BE IN EFFECT AFTER 820 AM
EST. 

DISCUSSION...STRONG TROUGH LOWER MS VALLEY CONTINUES TO DRIVE SEVERE
SQUALL LINE EWD INTO GA.  WITH STRONG DEEP LAYER SHEAR AND A MOIST
MODESTLY UNSTABLE AIR MASS IN WARM SECTOR...EMBEDDED
SUPERCELLS/ISOLATED TORNADOES WILL BE ASSOCIATED WITH SQUALL LINE. 
IN ADDITION MORE DISCRETE SUPERCELLS ARE LIKELY AHEAD OF LINE WITH
TORNADO POTENTIAL AS WELL.

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 500.
MEAN STORM MOTION VECTOR 24035.


...HALES

Tornado Watches in Georgia, 2007Tornado Watches in Alabama, 2007Tornado Watches in Florida, 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.