Tornado Watch 18

Issued

Jan 13, 2006, 1:03 PM EST (18:03 UTC)

Expired

Jan 13, 2006, 9:00 PM EST

In force

8 hr

Issued by

the Storm Prediction Center

The Tallahassee radar (KTLH), 82 km from the middle of the area, began a volume at 18:03 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.

• Mesoscale Discussion 51Jan 13, 11:15 AM EST
• Mesoscale Discussion 53Jan 13, 1:55 PM EST
• Mesoscale Discussion 57Jan 13, 7:49 PM EST

000 
WWUS20 KWNS 131806
SEL8  
SPC WW 131806
FLZ000-GAZ000-CWZ000-140200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 18
NWS STORM PREDICTION CENTER NORMAN OK
100 PM EST FRI JAN 13 2006

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

       EASTERN FLORIDA PANHANDLE AND NORTHWEST FLORIDA
       SOUTHERN AND CENTRAL GEORGIA
       COASTAL WATERS

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 100 PM UNTIL 900
PM EST.

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 80 STATUTE MILES
EAST AND WEST OF A LINE FROM 45 MILES SOUTH OF TALLAHASSEE FLORIDA
TO 40 MILES NORTH NORTHEAST OF MACON GEORGIA.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU8).

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 17...

DISCUSSION...BROKEN LINE OF STORMS WILL CONTINUE MOVING EASTWARD
ACROSS WW THIS AFTERNOON/EVENING AHEAD OF STRONG UPPER SYSTEM AND
ASSOCIATED SURFACE COLD FRONT. CLEARING SKIES AND STRONG SLY LOW
LEVEL WINDS WILL ALLOW MODEST INSTABILITY TO DEVELOP AHEAD OF THESE
STORMS.  SHEAR VALUES REMAIN QUITE IMPRESSIVE WITH EFFECTIVE BULK
SHEAR IN EXCESS OF 45 KT AND 0-1 KM SRH GREATER THAN 200
M2/S2...SUGGESTING A CONTINUED THREAT OF SUPERCELLS AND TORNADOES. 
SHOULD LINE BECOME MORE SOLID...WIND DAMAGE THREAT WOULD ALSO
INCREASE LATER TODAY AND EARLY THIS EVENING.

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.


...EVANS

294,0854 331,0844 331,0820 294,0830

Tornado Watches in Georgia, 2006Tornado Watches in Florida, 2006Every tornado watch in 2006

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.