Alert archive / Florida / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 43, NWS Tampa Bay, FL

August 24, 2020Levy County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Aug 24, 2020, 4:53 PM EDT for Levy County, Florida. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 24, 2020, 4:53 PM EDT (20:53 UTC)
Expired
Aug 24, 2020, 5:30 PM EDT
In force
37 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Levy County, FL

The radar

The Jacksonville radar (KJAX), 170 km from the middle of the area, began a volume at 20:56 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.9 hours before the alert went out and 179 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 2020-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1071 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 2020-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1071 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
796 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 1:01 PM EDTSpecial Weather StatementTBWLee44 min
Aug 24, 1:32 PM EDTSpecial Weather StatementTBWCharlotte, Lee43 min
Aug 24, 1:34 PM EDTSpecial Marine WarningTBW41 min
Aug 24, 1:50 PM EDTSpecial Marine WarningTBW40 min
Aug 24, 2:14 PM EDTSpecial Weather StatementTBWSarasota46 min
Aug 24, 2:21 PM EDTSpecial Marine WarningTBW24 min
Aug 24, 2:33 PM EDTSpecial Marine WarningTBW42 min
Aug 24, 3:04 PM EDTSpecial Marine WarningTBW41 min
Aug 24, 3:22 PM EDTSpecial Weather StatementTBWManatee53 min
Aug 24, 3:24 PM EDTSpecial Marine WarningTBW51 min
Aug 24, 3:42 PM EDTSpecial Marine WarningTBW48 min
Aug 24, 3:57 PM EDTSpecial Marine WarningTBW33 min
Aug 24, 4:07 PM EDTSpecial Weather StatementTBWCharlotte, DeSoto38 min
Aug 24, 4:10 PM EDTSpecial Weather StatementTBWPinellas50 min
Aug 24, 4:17 PM EDTSpecial Weather StatementTBWCitrus43 min
Aug 24, 4:31 PM EDTSpecial Marine WarningTBW59 min
Aug 24, 4:34 PM EDTSpecial Marine WarningTBW26 min
Aug 24, 4:45 PM EDTSpecial Weather StatementTBWDeSoto, Hardee45 min
Aug 24, 4:58 PM EDTSpecial Weather StatementTBWCitrus47 min
Aug 24, 5:25 PM EDTSevere Thunderstorm WarningTBWCitrus, Sumter35 min
Aug 24, 5:30 PM EDTSpecial Marine WarningTBW60 min
Aug 24, 5:52 PM EDTSpecial Weather StatementTBWLevy38 min
Aug 24, 7:33 PM EDTHeat AdvisoryTBWCharlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more22 hr
Aug 24, 7:43 PM EDTSpecial Weather StatementTBWHernando, Sumter47 min
Aug 24, 7:49 PM EDTSpecial Marine WarningTBW41 min

Nearby

Severe Thunderstorm Warnings in Florida, 2020Every severe thunderstorm warning in 2020

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; radar from the NEXRAD Level II archive.