Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 33, NWS Tampa Bay, FL

April 26, 1994Manatee County, Sarasota County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Apr 26, 1994, 7:55 PM EDT for Manatee County, Sarasota County, Florida. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1994, 7:55 PM EDT (23:55 UTC)
Expired
Apr 26, 1994, 9:00 PM EDT
In force
65 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

Counties Manatee County, FL, Sarasota County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 11.9 hours before the alert went out and 42 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 1994-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 508 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 1994-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
508 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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, Apr 26, 5:26 PM EDT, 2 hours 29 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-504-505-262230-

SPECIAL WEATHER STATEMENT...MARINE WEATHER STATEMENT...AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
530 PM EDT TUE APR 26 1994

... STRONG THUNDERSTORMS FORMING OVER WEST CENTRAL AND SOUTHWEST FLORIDA...

AT 530 PM...WEATHER SERVICE RADAR DETECTED STRONG THUNDERSTORMS ALONG THE
SEABREEZE FROM CITRUS COUNTY SOUTH TO COLLIER COUNTY. OTHER STRONG STORMS
WERE MORE INLAND FROM ZEPHYRHILLS EAST INTO SOUTHERN LAKE COUNTY.

MOVEMENT WAS SOUTHWEST AROUND 10 MILES AN HOUR.

FURTHER THUNDERSTORM DEVELOPMENT IS EXPECTED DURING THE NEXT 1 TO 3 HOURS
OVER THE WEST COAST INCLUDING THE TAMPA BAY AREA.

MARINERS AND RESIDENTS ALONG WEST FLORIDA SHOULD REMAIN ALERT OVER
THE NEXT ONE TO THREE HOURS. THESE THUNDERSTORMS COULD PRODUCE HAIL...
STRONG GUSTY WINDS...DANGEROUS LIGHTNING...VERY HEAVY RAIN AND POSSIBLE
FUNNEL CLOUDS OR WATERSPOUTS IN THE BAY AND COASTAL WATERS.|

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 5:49 PM EDTSevere Thunderstorm WarningTBWCharlotte41 min
Apr 26, 5:55 PM EDTSevere Thunderstorm WarningTBWHillsborough65 min
Apr 26, 6:06 PM EDTTornado WarningTBWCharlotte39 min
Apr 26, 6:16 PM EDTTornado WarningTBWHillsborough44 min
Apr 26, 6:28 PM EDTSevere Thunderstorm WarningTBWLevy47 min
Apr 26, 6:38 PM EDTTornado WarningTBWLee37 min
Apr 26, 6:45 PM EDTTornado WarningTBWHillsborough45 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.