WATCHES: Tornado Watch Number 148

WWUS20 KWNS 151344
SEL8
SPC WW 151344
FLZ000-CWZ000-152100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 148
NWS STORM PREDICTION CENTER NORMAN OK
945 AM EDT SUN APR 15 2007

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

CENTRAL AND SOUTHERN FLORIDA
COASTAL WATERS

EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 945 AM UNTIL 500
PM EDT.

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 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHWEST OF
ORLANDO FLORIDA TO 50 MILES SOUTHWEST OF MIAMI FLORIDA. 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 146...WW 147...

DISCUSSION...LINE OF STRONG/SEVERE THUNDERSTORMS WILL CONTINUE
TRACKING EASTWARD ACROSS THE PENINSULA TODAY. MORNING SOUNDINGS AND
MODEL GUIDANCE INDICATE A CONTINUED RISK OF EMBEDDED SUPERCELLS AND
BOWS WITHIN THE LINE...POSING A RISK OF DAMAGING WINDS AND ISOLATED
TORNADOES. PARTS OF SOUTH FL WILL SEE CONSIDERABLE HEATING
TODAY...WHICH MAY OFFSET WEAKER LARGE SCALE FORCING AND MAINTAIN
THREAT THIS AFTERNOON.

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 26035.

..HART

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