Alert archive / Florida / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 266, NWS Tallahassee, FL

August 17, 2022Franklin County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 17, 2022, 6:55 PM EDT for Franklin County, Florida. It was in force for 35 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 17, 2022, 6:55 PM EDT (22:55 UTC)
Expired
Aug 17, 2022, 7:30 PM EDT
In force
35 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Franklin County, FL

The radar

The Tallahassee radar (KTLH), 79 km from the middle of the area, began a volume at 22:56 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.9 hours before the alert went out and 81 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, Tallahassee Rgnl, FL at 12:00Z on 2022-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 189 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, Tallahassee Rgnl, FL at 12:00Z on 2022-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
189 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1401 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 17, 3:48 PM EDT, 3 hours 7 minutes earlier.

Area forecast discussion, Aug 17, 3:48 PM EDT, 3 hours 7 minutes before
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In the hours before

Local storm report, Aug 17, 6:14 PM EDT, 41 minutes before
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Special weather statement, Aug 17, 6:24 PM EDT, 31 minutes before
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Special weather statement, Aug 17, 6:29 PM EDT, 26 minutes before
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Local storm report, Aug 17, 6:41 PM EDT, 14 minutes before
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Special weather statement, Aug 17, 6:42 PM EDT, 13 minutes before
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Special weather statement, Aug 17, 6:53 PM EDT, 2 minutes before
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      <p id="message2">
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 4:23 AM EDTRip Current StatementTAEGulf19 hr
Aug 17, 3:18 PM EDTSpecial Marine WarningTAE57 min
Aug 17, 3:20 PM EDTSpecial Weather StatementTAEWakulla25 min
Aug 17, 3:25 PM EDTSpecial Weather StatementTAELeon35 min
Aug 17, 3:39 PM EDTSpecial Weather StatementTAEWakulla36 min
Aug 17, 3:55 PM EDTSpecial Weather StatementTAELeon35 min
Aug 17, 3:57 PM EDTSpecial Marine WarningTAE63 min
Aug 17, 4:09 PM EDTSpecial Weather StatementTAELafayette36 min
Aug 17, 4:12 PM EDTSpecial Weather StatementTAEMadison33 min
Aug 17, 4:21 PM EDTSpecial Weather StatementTAEBay24 min
Aug 17, 4:27 PM EDTSpecial Weather StatementTAETaylor33 min
Aug 17, 4:34 PM EDTSpecial Weather StatementTAEGilchrist26 min
Aug 17, 4:40 PM EDTSpecial Weather StatementTAEJefferson35 min
Aug 17, 4:42 PM EDTSpecial Weather StatementTAEWalton33 min
Aug 17, 4:44 PM EDTSpecial Weather StatementTAEBay31 min
Aug 17, 4:48 PM EDTSpecial Weather StatementTAEMadison27 min
Aug 17, 4:56 PM EDTSevere Thunderstorm WarningTAEBay34 min
Aug 17, 4:57 PM EDTSpecial Weather StatementTAEGilchrist33 min
Aug 17, 4:59 PM EDTSpecial Weather StatementTAEMadison31 min
Aug 17, 5:02 PM EDTSpecial Marine WarningTAE58 min
Aug 17, 5:08 PM EDTSpecial Weather StatementTAELafayette37 min
Aug 17, 5:13 PM EDTSpecial Weather StatementTAEBay32 min
Aug 17, 5:20 PM EDTSpecial Weather StatementTAEBay25 min
Aug 17, 5:24 PM EDTSpecial Weather StatementTAETaylor36 min
Aug 17, 5:29 PM EDTAreal Flood AdvisoryTAETaylor2 hr
Aug 17, 5:33 PM EDTSpecial Weather StatementTAEGilchrist27 min
Aug 17, 5:39 PM EDTSpecial Weather StatementTAEMadison36 min
Aug 17, 5:41 PM EDTSpecial Weather StatementTAELafayette34 min
Aug 17, 5:49 PM EDTAreal Flood AdvisoryTAEBay116 min
Aug 17, 5:50 PM EDTSpecial Weather StatementTAEBay25 min
Aug 17, 5:52 PM EDTAreal Flood AdvisoryTAEDixie, Lafayette99 min
Aug 17, 6:01 PM EDTSpecial Marine WarningTAE29 min
Aug 17, 6:03 PM EDTSpecial Weather StatementTAEGilchrist27 min
Aug 17, 6:05 PM EDTSpecial Weather StatementTAEWashington25 min
Aug 17, 6:24 PM EDTSpecial Weather StatementTAEFranklin21 min
Aug 17, 6:25 PM EDTSpecial Marine WarningTAE65 min
Aug 17, 6:29 PM EDTSpecial Weather StatementTAEWashington31 min
Aug 17, 6:42 PM EDTSpecial Weather StatementTAEFranklin33 min
Aug 17, 6:53 PM EDTSpecial Weather StatementTAEWakulla37 min
Aug 17, 6:58 PM EDTSpecial Weather StatementTAEWashington32 min
Aug 17, 7:05 PM EDTSpecial Weather StatementTAEWalton25 min
Aug 17, 7:19 PM EDTSpecial Marine WarningTAE56 min
Aug 17, 7:33 PM EDTSpecial Weather StatementTAEWalton27 min
Aug 17, 7:46 PM EDTSpecial Weather StatementTAEHolmes29 min
Aug 17, 7:56 PM EDTSevere Thunderstorm WarningTAEWalton21 min
Aug 17, 5:15 PM EDTSpecial Weather StatementTAELowndes30 min
Aug 17, 7:07 PM EDTSpecial Weather StatementTAECovington38 min

Nearby

Severe Thunderstorm Warnings in Florida, 2022Every severe thunderstorm warning in 2022

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.