Tornado Watch 53

Issued

Feb 12, 2008, 3:18 PM EST (20:18 UTC)

Expired

Feb 12, 2008, 11:00 PM EST

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Tampa radar (KTBW), 59 km from the middle of the area, began a volume at 20:21 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

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 211Feb 12, 2:41 PM EST
• Mesoscale Discussion 216Feb 12, 7:41 PM EST
• Mesoscale Discussion 219Feb 12, 9:39 PM EST

000
WWUS20 KWNS 122025
SEL3  
SPC WW 122025
FLZ000-CWZ000-130400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 53
NWS STORM PREDICTION CENTER NORMAN OK
320 PM EST TUE FEB 12 2008

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

       FLORIDA PENINSULA
       COASTAL WATERS

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
1100 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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF OCALA
FLORIDA TO 65 MILES SOUTH SOUTHWEST OF MIAMI FLORIDA.  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 51...WW 52...

DISCUSSION...UPPER LEVEL TROUGH WAS LOCATED IN THE SERN GULF OF
MEXICO AND IS EXPECTED TO MOVE NEWD ACROSS THE CENTRAL FL PENINSULA
THIS EVENING. STRENGTHENING WIND PROFILES WILL PROVIDE FAVORABLE
SHEAR FOR SUPERCELLS. A VERY MOIST BOUNDARY LAYER...WITH DEWPOINTS
INCREASING TO NEAR 70F...AND LOW LEVEL SHEAR STRENGTHENING TO NEAR
20 KT WILL BE FAVORABLE FOR WIND DAMAGE AND A FEW TORNADOES.

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 22030.


...IMY

Tornado Watches in Florida, 2008Every tornado watch in 2008

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.