Tornado Watch 807

Issued

Dec 27, 1997, 4:00 AM EST (09:00 UTC)

Expired

Dec 27, 1997, 10:00 AM EST

In force

6 hr

Issued by

the Storm Prediction Center

548 
WWUS9 KMKC 270831
SEL7  
MKC WW 270831
FLZ000-271500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 807
STORM PREDICTION CENTER NORMAN OK
331 AM EST SAT DEC 27 1997

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

   NORTHERN AND CENTRAL FLORIDA                            
   AND ADJACENT COASTAL WATERS

EFFECTIVE THIS SATURDAY MORNING FROM 400 AM UNTIL 1000 AM EST.

TORNADOES...HAIL TO 1 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST
OF A LINE FROM 30 MILES EAST OF VALDOSTA GEORGIA TO 20 MILES
SOUTHWEST OF AVON PARK FLORIDA.

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.

DISCUSSION...CLUSTER OF THUNDERSTORMS OVER CENTRAL FLORIDA WILL
INTENSIFY ALONG WARM FRONT WHILE SECOND BAND OF THUNDERSTORMS WILL
ADVANCE FROM THE WEST ALONG APPROACHING COLD FRONT. WIND SHEAR WILL
INCREASE AS UPPER TROUGH AND JET STREAK MOVE INTO THE EASTERN GULF
OF MEXICO.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 24045.


...ROGASH

304,0812 272,0801 272,0825 304,0840

Tornado Watches in Florida, 1997Tornado Watches in Georgia, 1997Every tornado watch in 1997

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.