Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 80, NWS Tampa Bay, FL

June 29, 1994Manatee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 29, 1994, 4:30 PM EDT for Manatee County, Florida. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1994, 4:30 PM EDT (20:30 UTC)
Expired
Jun 29, 1994, 5:30 PM EDT
In force
60 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Manatee County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.5 hours before the alert went out and 26 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 1994-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1229 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 1994-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1229 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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
Jun 29, 2:19 PM EDTSevere Thunderstorm WarningTBWPasco56 min
Jun 29, 2:25 PM EDTTornado WarningTBWCitrus65 min
Jun 29, 3:55 PM EDTSevere Thunderstorm WarningTBWSarasota65 min
Jun 29, 4:32 PM EDTSevere Thunderstorm WarningTBWCharlotte58 min
Jun 29, 5:11 PM EDTSevere Thunderstorm WarningTBWHillsborough64 min
Jun 29, 5:50 PM EDTSevere Thunderstorm WarningTBWHillsborough55 min
Jun 29, 6:04 PM EDTSevere Thunderstorm WarningTBWHardee56 min
Jun 29, 6:47 PM EDTSevere Thunderstorm WarningTBWHillsborough43 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.