Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 97, NWS Tampa Bay, FL

July 11, 1994Pasco County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 11, 1994, 8:03 PM EDT for Pasco County, Florida. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1994, 8:03 PM EDT (00:03 UTC)
Expired
Jul 11, 1994, 9:00 PM EDT
In force
57 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Pasco County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 0.1 hours before the alert went out and 67 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 00:00Z on 1994-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 138 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 00:00Z on 1994-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
138 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1528 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-40 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 severe thunderstorm 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, Jul 11, 3:10 PM EDT, 4 hours 53 minutes before
FLZ065-112015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
310 PM EDT MON JUL 11 1994

...STRONG THUNDERSTORM IN LEE COUNTY...

AT 305 PM RADAR INDICATED A STRONG THUNDERSTORM JUST SOUTH OF FORT
MYERS. THE STORM WAS MOVING WEST-NORTHWEST AT 10 TO 15 MPH.

THIS STORM MAY CONTAIN STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY
HEAVY RAIN...AND SMALL HAIL. RESIDENTS IN LEE COUNTY SHOULD KEEP AN EYE
ON THE SKY AND SEEK SHELTER IF THREATENING WEATHER APPROACHES.
Special weather statement, Jul 11, 3:10 PM EDT, 4 hours 53 minutes before
FLZ065-112015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
310 PM EDT MON JUL 11 1994

...STRONG THUNDERSTORM IN LEE COUNTY...

AT 305 PM RADAR INDICATED A STRONG THUNDERSTORM JUST SOUTH OF FORT
MYERS. THE STORM WAS MOVING WEST-NORTHWEST AT 10 TO 15 MPH.

THIS STORM MAY CONTAIN STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY
HEAVY RAIN...AND SMALL HAIL. RESIDENTS IN LEE COUNTY SHOULD KEEP AN EYE
ON THE SKY AND SEEK SHELTER IF THREATENING WEATHER APPROACHES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 8:26 PM EDTTornado WarningTBWPasco, Pinellas34 min
Jul 11, 8:48 PM EDTSevere Thunderstorm WarningTBWHernando57 min

Nearby

Severe Thunderstorm Warnings in Florida, 1994Every severe thunderstorm warning in 1994

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.