Alert archive / Florida / Tornado Watches in 2006

Tornado Watch 28

February 3, 200619 counties in Florida

The Storm Prediction Center issued this tornado watch at Feb 3, 2006, 8:15 AM EST for 19 counties in Florida. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Feb 3, 2006, 8:15 AM EST (13:15 UTC)
Expired
Feb 3, 2006, 3:00 PM EST
In force
7 hr
Issued by
the Storm Prediction Center

Counties Brevard County, FL, Charlotte County, FL, DeSoto County, FL, Hardee County, FL, Highlands County, FL, Hillsborough County, FL, Indian River County, FL, Lake County, FL, Lee County, FL, Manatee County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL

The radar

The Tampa radar (KTBW), 57 km from the middle of the area, began a volume at 13:17 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.

Warnings issued inside it

5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 3, 11:19 AM ESTFlash Flood WarningTBWPinellas86 min
Feb 3, 12:19 PM ESTFlash Flood WarningTBWHillsborough116 min
Feb 3, 12:42 PM ESTFlash Flood WarningTBWPinellas2 hr
Feb 3, 2:15 PM ESTFlash Flood WarningTBWHillsborough105 min
Feb 3, 2:45 PM ESTFlash Flood WarningTBWPinellas2 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 1.3 hours before the alert went out and 57 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2006-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1253 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2006-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1253 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
1.8
Supercell composite
8.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS20 KWNS 031315
SEL8  
SPC WW 031315
FLZ000-CWZ000-032000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 28
NWS STORM PREDICTION CENTER NORMAN OK
815 AM EST FRI FEB 3 2006

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

       CENTRAL FLORIDA
       COASTAL WATERS

EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 815 AM UNTIL 300
PM EST.

TORNADOES...HAIL TO 2 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 65 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 20 MILES WEST OF SARASOTA FLORIDA
TO 20 MILES NORTHEAST OF MELBOURNE 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.

DISCUSSION...LINE OF STRONG TO SEVERE THUNDERSTORMS CURRENTLY JUST
OFF THE WEST FL COAST WILL CONTINUE DEVELOPING/MOVING ENEWD ACROSS
CENTRAL FL THIS MORNING/EARLY AFTERNOON.  ACTIVITY WILL INTERACT
WITH OUTFLOW BOUNDARY ORIENTED E-W FROM LINE OF STORMS EXPECTED TO
MOVE OFF THE E-CENTRAL FL COAST BY MID MORNING.  SHEAR REMAINS QUITE
STRONG AND WILL SUPPORT SUPERCELLS AND SMALL BOW ECHOES.  ONCE
HEATING OVERCOMES WEAK CAP THIS MORNING...EXPECT THE THREATS OF
DAMAGING WINDS AND ISOLATED TORNADOES WILL INCREASE AND CONTINUE
THROUGH MUCH OF THE DAY OVER CENTRAL FL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26030.


...EVANS

282,0825 291,0802 272,0802 262,0825

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 2, 8:00 PM ESTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 8 more90 min
Feb 3, 1:53 AM ESTMesoscale DiscussionSPCAlachua, Bradford, Citrus, Dixie, Gilchrist, Levy and 2 more97 min
Feb 3, 8:01 AM ESTMesoscale DiscussionSPCBrevard, Hardee, Hillsborough, Manatee, Orange, Osceola and 5 more29 min
Feb 3, 11:38 AM ESTMesoscale DiscussionSPCBrevard, Charlotte, DeSoto, Glades, Hardee, Highlands and 9 more2 hr
Feb 3, 2:39 PM ESTMesoscale DiscussionSPCCharlotte, Collier, DeSoto, Glades, Hardee, Hendry and 9 more66 min
Feb 3, 4:19 PM ESTMesoscale DiscussionSPCAlachua, Bay, Citrus, Columbia, Dixie, Franklin and 16 more116 min
Feb 3, 4:49 PM ESTSevere Thunderstorm WatchSPCAlachua, Baker, Bay, Bradford, Calhoun, Columbia and 21 more3 hr
Feb 3, 5:10 PM ESTMesoscale DiscussionSPCBroward, Collier, Palm Beach95 min

Nearby

Tornado Watches in Florida, 2006Every tornado watch in 2006

Sources

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.