Tornado Watch 27

Issued

Mar 6, 2014, 11:28 AM EST (16:28 UTC)

Expired

Mar 6, 2014, 4:41 PM EST

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Tampa radar (KTBW), 112 km from the middle of the area, began a volume at 16:31 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

30%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

10%

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

60%

• Mesoscale Discussion 171Mar 6, 10:48 AM EST
• Mesoscale Discussion 172Mar 6, 1:46 PM EST

094 
WWUS20 KWNS 061631
SEL7  
SPC WW 061631
FLZ000-CWZ000-070000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 27
NWS STORM PREDICTION CENTER NORMAN OK
1125 AM EST THU MAR 6 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  THE CENTRAL AND SOUTHERN FLORIDA PENINSULA
  COASTAL WATERS

* EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1125 AM UNTIL
  700 PM EST.

* PRIMARY THREATS INCLUDE...
  SEVERAL TORNADOES POSSIBLE
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY
  SEVERAL LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTHWEST OF ORLANDO
FLORIDA TO 65 MILES SOUTH SOUTHWEST OF MIAMI FLORIDA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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...A LARGE CLUSTER OF STORMS WILL OVERSPREAD MUCH OF THE
CENTRAL AND SOUTHERN FLORIDA PENINSULA MIDDAY THROUGH LATE
AFTERNOON.  THIS IS EXPECTED TO COINCIDE WITH STRENGTHENING OF DEEP
LAYER FLOW AND SHEAR /30-50 KT/...AS THE BOUNDARY LAYER DESTABILIZES
WITH DAYTIME HEATING.  THE ENVIRONMENT WILL BE CONDUCIVE TO SEVERE
WIND AND PERHAPS A COUPLE OF TORNADOES...WITH AN INCREASINGLY
ORGANIZED LINE...WHICH COULD BE PRECEDED BY ISOLATED SUPERCELL
DEVELOPMENT ALONG ATLANTIC COASTAL AREAS.

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 27035.


...KERR

Tornado Watches in Florida, 2014Every tornado watch in 2014

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.