Tornado Watch 422

Issued

Jun 24, 2012, 11:47 AM EDT (15:47 UTC)

Expired

Jun 24, 2012, 8:00 PM EDT

In force

8 hr

Issued by

the Storm Prediction Center

Strongest gust expected

50 kt

The Tampa radar (KTBW), 20 km from the middle of the area, began a volume at 15:47 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

40%

Ten or more severe wind reports

10%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

20%

• Mesoscale Discussion 1258Jun 24, 11:02 AM EDT
• Mesoscale Discussion 1261Jun 24, 4:36 PM EDT
• Mesoscale Discussion 1262Jun 24, 7:01 PM EDT

491 
WWUS20 KWNS 241548
SEL2
SPC WW 241548
FLZ000-CWZ000-250000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 422
NWS STORM PREDICTION CENTER NORMAN OK
1145 AM EDT SUN JUN 24 2012

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

       WESTERN...CENTRAL AND SOUTHERN FLORIDA PENINSULA
       COASTAL WATERS

EFFECTIVE THIS SUNDAY MORNING AND EVENING FROM 1145 AM UNTIL 800
PM EDT.

TORNADOES...THUNDERSTORM WIND GUSTS TO 60 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES NORTH OF SAINT
PETERSBURG FLORIDA TO 45 MILES EAST SOUTHEAST OF NAPLES FLORIDA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).

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 421...

DISCUSSION...TORNADO THREAT APPEARS TO BE INCREASING STEADILY WITH
EXPANSIVE OUTER ENVELOPE OF TS DEBBY...PER SPC MESOSCALE DISCUSSION
1258...WITH GREATEST INSTABILITY OVER SRN FL AND MOST FAVORABLE
KINEMATIC FIELDS OVER CENTRAL/WRN PENINSULA.  REFER TO NHC
ADVISORIES FOR LATEST GUIDANCE ON TRACK...INTENSITY AND TROPICAL
WATCH/WARNING INFORMATION REGARDING DEBBY.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION VECTOR 18035.


...EDWARDS

Tornado Watches in Florida, 2012Every tornado watch in 2012

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.