Alert archive / Florida / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 23, NWS Tampa Bay, FL

February 22, 1993Hillsborough County, Manatee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 22, 1993, 2:59 PM EST for Hillsborough County, Manatee County, Florida. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Feb 22, 1993, 2:59 PM EST (19:59 UTC)
Expired
Feb 22, 1993, 4:00 PM EST
In force
61 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

Counties Hillsborough County, FL, Manatee County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.0 hours before the alert went out and 5 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 1993-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 926 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 1993-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 square meters per square second.1939587897117Sfc1 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
926 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.9

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 4:24 AM ESTSevere Thunderstorm WarningTBWLevy51 min
Feb 22, 5:30 AM ESTSevere Thunderstorm WarningTBWCitrus60 min
Feb 22, 1:05 PM ESTSevere Thunderstorm WarningTBWPasco55 min
Feb 22, 1:18 PM ESTSevere Thunderstorm WarningTBWPinellas57 min
Feb 22, 2:04 PM ESTSevere Thunderstorm WarningTBWHillsborough56 min
Feb 22, 2:14 PM ESTSevere Thunderstorm WarningTBWPinellas61 min
Feb 22, 3:43 PM ESTSevere Thunderstorm WarningTBWPolk62 min
Feb 22, 4:43 PM ESTSevere Thunderstorm WarningTBWSarasota62 min
Feb 22, 5:19 PM ESTSevere Thunderstorm WarningTBWDeSoto41 min
Feb 22, 5:35 PM ESTSevere Thunderstorm WarningTBWHighlands55 min

Nearby

Severe Thunderstorm Warnings in Florida, 1993Every severe thunderstorm warning 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.