Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 23, NWS Tampa Bay, FL

August 14, 2004Manatee County, Florida

NWS Tampa Bay, FL issued this tornado warning at Aug 14, 2004, 2:48 PM EDT for Manatee County, Florida. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 14, 2004, 2:48 PM EDT (18:48 UTC)
Expired
Aug 14, 2004, 3:15 PM EDT
In force
27 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Manatee County, FL

The radar

The Tampa radar (KTBW), 41 km from the middle of the area, began a volume at 18:50 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.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 6.8 hours before the alert went out and 41 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 2004-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1978 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 2004-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939Sfc1 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
1978 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
725 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTBW 141848
TORTBW
FLC081-141915-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
245 PM EDT SAT AUG 14 2004

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MANATEE COUNTY IN FLORIDA.

* UNTIL 315 PM EDT

* AT 245 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
   TWO TORNADOES OVER EASTERN MANATEE COUNTY...MOVING NORTHEAST AT   
    10 MPH.

* THE TORNADOES WILL AFFECT...
  MYAKKA CITY BY 245 PM EDT.
  MYAKKA HEAD BY 250 PM EDT.
  DUETTE BY 310 PM EDT.

THIS IS A DANGEROUS STORM MOVE INTO THE INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD AND
BODY WITH PILLOWS OR BLANKETS.


&&

LAT...LON 2762 8213 2764 8212 2764 8206 2724 8206
      2721 8207 2723 8209 2726 8224 2738 8224
      2739 8227

$$

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 14, 1:14 PM EDTTornado WarningTBWManatee31 min
Aug 14, 1:23 PM EDTTornado WarningTBWSumter37 min
Aug 14, 1:29 PM EDTSpecial Marine WarningTBW31 min
Aug 14, 1:48 PM EDTSpecial Marine WarningTBW57 min
Aug 14, 1:54 PM EDTTornado WarningTBWPasco36 min
Aug 14, 2:18 PM EDTTornado WarningTBWPolk27 min
Aug 14, 2:22 PM EDTTornado WarningTBWManatee23 min
Aug 14, 2:43 PM EDTSpecial Marine WarningTBW47 min
Aug 14, 2:50 PM EDTTornado WarningTBWHardee25 min
Aug 14, 2:54 PM EDTTornado WarningTBWSarasota36 min
Aug 14, 3:00 PM EDTTornado WarningTBWPasco30 min
Aug 14, 3:10 PM EDTSpecial Marine WarningTBW65 min
Aug 14, 3:17 PM EDTTornado WarningTBWPinellas13 min
Aug 14, 4:10 PM EDTFlash Flood WarningTBWPasco65 min
Aug 14, 4:29 PM EDTSpecial Marine WarningTBW61 min
Aug 14, 4:36 PM EDTSevere Thunderstorm WarningTBWHighlands24 min
Aug 14, 4:54 PM EDTTornado WarningTBWLevy21 min
Aug 14, 4:58 PM EDTSevere Thunderstorm WarningTBWHighlands32 min
Aug 14, 5:33 PM EDTTornado WarningTBWLevy27 min
Aug 14, 5:36 PM EDTSpecial Marine WarningTBW54 min
Aug 14, 6:26 PM EDTSpecial Marine WarningTBW64 min
Aug 14, 6:32 PM EDTTornado WarningTBWPinellas28 min
Aug 14, 7:13 PM EDTTornado WarningTBWHillsborough32 min

Nearby

Tornado Warnings in Florida, 2004Every tornado warning in 2004Tornadoes in 2004

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.