Alert archive / Georgia / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 285, NWS Tallahassee, FL

September 11, 20224 counties in Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Sep 11, 2022, 3:54 PM EDT for 4 counties in Georgia. It was in force for 36 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
Sep 11, 2022, 3:54 PM EDT (19:54 UTC)
Expired
Sep 11, 2022, 4:30 PM EDT
In force
36 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Berrien County, GA, Cook County, GA, Lanier County, GA, Lowndes County, GA

The radar

The Moody AFB radar (KVAX), 31 km from the middle of the area, began a volume at 19:56 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, 7.9 hours before the alert went out and 126 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 2022-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 925 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 2022-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
925 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.4

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 Sep 11, 1:25 PM EDT, 2 hours 29 minutes earlier.

Area forecast discussion, Sep 11, 1:25 PM EDT, 2 hours 29 minutes before
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In the hours before

Local storm report, Sep 11, 2:57 PM EDT, 57 minutes before
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Local storm report, Sep 11, 2:58 PM EDT, 56 minutes before
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Special weather statement, Sep 11, 3:05 PM EDT, 49 minutes before
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Local storm report, Sep 11, 3:05 PM EDT, 49 minutes before
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Local storm report, Sep 11, 3:29 PM EDT, 25 minutes before
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Special weather statement, Sep 11, 3:33 PM EDT, 21 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 11, 3:35 AM EDTRip Current StatementTAEBay, Franklin, Gulf, Walton19 hr
Sep 11, 6:58 AM EDTAreal Flood AdvisoryTAEWalton2 hr
Sep 11, 7:13 AM EDTSpecial Marine WarningTAE92 min
Sep 11, 7:20 AM EDTFlash Flood WarningTAEWalton115 min
Sep 11, 7:54 AM EDTAreal Flood AdvisoryTAEBay2 hr
Sep 11, 8:11 AM EDTFlash Flood WarningTAEBay2 hr
Sep 11, 8:40 AM EDTSpecial Marine WarningTAE65 min
Sep 11, 9:33 AM EDTFlash Flood WarningTAEBay3 hr
Sep 11, 9:53 AM EDTFlash Flood Warning Considerable damage threatTAEBay3 hr
Sep 11, 10:03 AM EDTSpecial Marine WarningTAE57 min
Sep 11, 10:34 AM EDTSpecial Weather StatementTAECalhoun41 min
Sep 11, 10:36 AM EDTAreal Flood AdvisoryTAECalhoun, Gulf114 min
Sep 11, 10:45 AM EDTFlash Flood WarningTAECalhoun, Gulf3 hr
Sep 11, 10:55 AM EDTSevere Thunderstorm WarningTAECalhoun, Gulf, Liberty25 min
Sep 11, 11:13 AM EDTSpecial Marine WarningTAE32 min
Sep 11, 11:25 AM EDTSpecial Weather StatementTAEGulf50 min
Sep 11, 11:47 AM EDTSpecial Marine WarningTAE88 min
Sep 11, 11:51 AM EDTSevere Thunderstorm WarningTAEFranklin, Gulf39 min
Sep 11, 11:53 AM EDTSpecial Weather StatementTAELiberty52 min
Sep 11, 12:25 PM EDTAreal Flood AdvisoryTAEGulf, Liberty2 hr
Sep 11, 12:29 PM EDTSpecial Weather StatementTAELiberty46 min
Sep 11, 12:34 PM EDTSpecial Weather StatementTAEWakulla41 min
Sep 11, 12:56 PM EDTAreal Flood WarningTAEBay3 hr
Sep 11, 1:15 PM EDTSpecial Weather StatementTAELeon30 min
Sep 11, 1:24 PM EDTSpecial Marine WarningTAE2 hr
Sep 11, 1:33 PM EDTSevere Thunderstorm WarningTAEGadsden, Jefferson, Leon, Wakulla42 min
Sep 11, 2:00 PM EDTSpecial Weather StatementTAEJefferson45 min
Sep 11, 2:15 PM EDTSpecial Weather StatementTAEJefferson, Madison45 min
Sep 11, 3:05 PM EDTSpecial Weather StatementTAEMadison55 min
Sep 11, 3:44 PM EDTAreal Flood WarningTAEBay3 hr
Sep 11, 6:53 PM EDTSpecial Marine WarningTAE67 min
Sep 11, 2:30 PM EDTAreal Flood AdvisoryTAEDecatur, Grady2 hr
Sep 11, 2:53 PM EDTSpecial Weather StatementTAEThomas37 min
Sep 11, 3:33 PM EDTSpecial Weather StatementTAECook, Lanier27 min
Sep 11, 4:16 PM EDTAreal Flood AdvisoryTAEBrooks, Lowndes119 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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.