Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 34, NWS Tampa Bay, FL

August 10, 1993Pinellas County, Florida

NWS Tampa Bay, FL issued this tornado warning at Aug 10, 1993, 4:55 PM EDT for Pinellas County, Florida. It was in force for 35 min.

The area

The counties it named.

The facts

Issued: Aug 10, 1993, 4:55 PM EDT (20:55 UTC)
Expired: Aug 10, 1993, 5:30 PM EDT
In force: 35 min
Issued by: NWS Tampa Bay, FL
Area: Whole counties

County Pinellas County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.9 hours before the alert went out and 40 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1208 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 787 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -37 m²/s²
0-3 km storm-relative helicity: -5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTBW 102056
TORTBW
FLC103-102130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
455 PM EDT TUE AUG 10 1993
 
THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE......
 
IN WEST CENTRAL FLORIDA
 
   ...PINELLAS COUNTY
 
AND ADJACENT COASTAL WATERS
 
A TORNADO WAS REPORTED DEVELOPING NEAR THE ST PETE CLEARWATER
AIRPORT AND A LARGE FUNNEL CLOUD WAS ALSO DEVELOPING NEAR 46TH
STREET AND 5TH AVE.
 
IF YOU ARE IN THE PATH OF A TORNADO MOVE TO A REINFORCED SHELTER
TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. AVOID WINDOWS.
IF YOU ARE CAUGHT IN THE OPEN...GET INTO A DITCH OR CULVERT..
 
THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY!
 
IF YOU SEE A TORNADO... WATERSPOUT... HAIL OR DAMAGING WIND...
CALL THE WEST CENTRAL AND SOUTHWEST FLORIDA SEVERE WEATHER LINE AT
1-800-282-5584.
 
 
 
&

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Aug 10, 2:38 PM EDT, 2 hours 17 minutes before

STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
238 PM EDT TUE AUG 10 1993

DATE    TIME      LOCATION
8/9/93  1800 EDT  CITRUS COUNTY, CRYSTAL RIVER, US19 AND HWY 44W
                  TORNADO, F0, SMALL METAL STORAGE BUILDING LIFTED UP AND
                  THROWN ONTO TELEPHONE WIRES, EYEWITNESS DID SEE FUNNEL
                  DESCEND. LIGHTNING DAMAGE, 3 BRUSH FIRES STARTED IN
                  COUNTY, ACREAGE BURNED AND TIME OF OCCURRENCE UNKNOWN.

8/9/93  ???? EDT  CITRUS COUNTY, CRYSTAL RIVER, PLANTATION INN GOLF COURSE
                  WIND DAMAGE, APPROX 20 TREES KNOCKED DOWN. DIAMETER AND
                  TIME OF OCCURRENCE UNCERTAIN. PRIVATE CITIZEN ESTIMATED
                  AROUND 1900 EDT.

Local storm report, Aug 10, 2:47 PM EDT, 2 hours 8 minutes before

STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
238 PM EDT TUE AUG 10 1993

DATE    TIME      LOCATION
8/9/93  1800 EDT  CITRUS COUNTY, CRYSTAL RIVER, US19 AND HWY 44W
                  TORNADO, F0, SMALL METAL STORAGE BUILDING LIFTED UP AND
                  THROWN ONTO TELEPHONE WIRES, EYEWITNESS DID SEE FUNNEL
                  DESCEND. LIGHTNING DAMAGE, 3 BRUSH FIRES STARTED IN
                  COUNTY, ACREAGE BURNED AND TIME OF OCCURRENCE UNKNOWN.

8/9/93  ???? EDT  CITRUS COUNTY, CRYSTAL RIVER, PLANTATION INN GOLF COURSE
                  WIND DAMAGE, APPROX 20 TREES KNOCKED DOWN. DIAMETER AND
                  TIME OF OCCURRENCE UNCERTAIN. PRIVATE CITIZEN ESTIMATED
                  AROUND 1900 EDT.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 2:48 PM EDT	Severe Thunderstorm Warning	TBW	DeSoto	27 min
Aug 10, 2:55 PM EDT	Severe Thunderstorm Warning	TBW	Highlands	65 min
Aug 10, 3:42 PM EDT	Severe Thunderstorm Warning	TBW	Sarasota	63 min
Aug 10, 4:07 PM EDT	Tornado Warning	TBW	Sarasota	23 min
Aug 10, 4:20 PM EDT	Severe Thunderstorm Warning	TBW	Lee	40 min
Aug 10, 4:20 PM EDT	Tornado Warning	TBW	Manatee	40 min
Aug 10, 4:29 PM EDT	Severe Thunderstorm Warning	TBW	Hillsborough, Pinellas	61 min

Nearby

Tornado Warnings in Florida, 1993 Every tornado warning in 1993 Tornadoes in 1993

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.