Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 20, NWS Tampa Bay, FL

June 15, 1993Hillsborough County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jun 15, 1993, 7:19 PM EDT for Hillsborough County, Florida. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jun 15, 1993, 7:19 PM EDT (23:19 UTC)
Expired
Jun 15, 1993, 8:00 PM EDT
In force
41 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Hillsborough County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 11.3 hours before the alert went out and 23 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 1993-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 268 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 1993-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.193958Sfc1 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
268 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
797 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Special weather statement, Jun 15, 6:55 PM EDT, 24 minutes before
FLZ006-008>021-505-152345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
655 PM EDT TUE JUN 15 1993

... STRONG THUNDERSTORMS OVER SOUTHWEST FLORIDA...

AT 645 PM RADAR INICATED A BAND OF VERY STRONG THUNDERSTORMS OVER SOUTHWEST
FLORIDA FROM CHARLOTTE HARBOR SOUTH TO FORT MYERS.  THESE STORMS ARE
PRODUCING VERY HEAVY RAINFALL...FEQUENT LIGHTNING...AND POSSIBLE SMALL HAIL.

MOVEMENT WAS SOUTHWEST AT 10 TO 15 MILES AN HOUR.

RESIDENTS AND MARINERS IN CHARLOTTE AND LEE COUNTIES SHOULD REMAIN ALERT TO
THE POSSIBLITY OF SEVERE WEATHER DURING THE NEXT HOUR AS THESE STORMS MOVE
THROUGH THE AREA AND HEAD OFFSHORE.  THESE STRONG STORMS ARE CAPABLE OF
PRODUCING HEAVY RAINFALL..STRONG GUSTY WINDS..FREUWENT LIGHTNING...AND
POSSIBLE HAIL OR FUNNEL CLOUDS.
Special weather statement, Jun 15, 6:58 PM EDT, 21 minutes before
FLZ006-008>021-505-152345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
655 PM EDT TUE JUN 15 1993

... STRONG THUNDERSTORMS OVER SOUTHWEST FLORIDA...

AT 645 PM RADAR INICATED A BAND OF VERY STRONG THUNDERSTORMS OVER SOUTHWEST
FLORIDA FROM CHARLOTTE HARBOR SOUTH TO FORT MYERS.  THESE STORMS ARE
PRODUCING VERY HEAVY RAINFALL...FEQUENT LIGHTNING...AND POSSIBLE SMALL HAIL.

MOVEMENT WAS SOUTHWEST AT 10 TO 15 MILES AN HOUR.

RESIDENTS AND MARINERS IN CHARLOTTE AND LEE COUNTIES SHOULD REMAIN ALERT TO
THE POSSIBLITY OF SEVERE WEATHER DURING THE NEXT HOUR AS THESE STORMS MOVE
THROUGH THE AREA AND HEAD OFFSHORE.  THESE STRONG STORMS ARE CAPABLE OF
PRODUCING HEAVY RZAINFALL..STRONG GUSTY WINDS..FREUWENT LIGHTNING...AND
POSSIBLE HAIL OR FUNNEL CLOUDS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 7:33 PM EDTTornado WarningTBWPinellas2 min
Jun 15, 7:44 PM EDTTornado WarningTBWManatee, Sarasota46 min
Jun 15, 7:57 PM EDTSevere Thunderstorm WarningTBWLee63 min

Nearby

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