Alert archive / Florida / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 244, NWS Tallahassee, FL

December 24, 2020Dixie County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Dec 24, 2020, 5:00 PM EST for Dixie County, Florida. 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
Dec 24, 2020, 5:00 PM EST (22:00 UTC)
Expired
Dec 24, 2020, 5:36 PM EST
In force
36 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Dixie County, FL

The radar

The Tallahassee radar (KTLH), 143 km from the middle of the area, began a volume at 22:04 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, 10.0 hours before the alert went out and 141 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 2020-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2020-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
944 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
416 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 Dec 24, 4:33 PM EST, 27 minutes earlier.

Area forecast discussion, Dec 24, 4:33 PM EST, 27 minutes before
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In the hours before

Local storm report, Dec 24, 3:48 PM EST, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
348 PM EST THU DEC 24 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0320 PM     TSTM WND DMG     1 NW QUITMAN            30.79N 83.57W
12/24/2020                   BROOKS             GA   911 CALL CENTER

            BROOKS COUNTY 911 REPORTS A TREE DOWN ON DRY
            LAKE RD NEAR BARWICK RD.

&&
Local storm report, Dec 24, 3:53 PM EST, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
353 PM EST THU DEC 24 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     TSTM WND DMG     2 S DILLS               30.60N 83.78W
12/24/2020                   JEFFERSON          FL   EMERGENCY MNGR

            TREES REPORTED DOWN ON BROCK RD.

&&
Local storm report, Dec 24, 4:18 PM EST, 42 minutes before
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Special weather statement, Dec 24, 4:35 PM EST, 25 minutes before
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Local storm report, Dec 24, 4:52 PM EST, 8 minutes before
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Local storm report, Dec 24, 4:57 PM EST, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 8:00 AM ESTSpecial Weather StatementTAEHolmes, Walton, Washington90 min
Dec 24, 8:37 AM ESTSpecial Marine WarningTAE3 hr
Dec 24, 9:23 AM ESTSpecial Weather StatementTAEBay, Calhoun, Gulf, Jackson, Washington97 min
Dec 24, 10:10 AM ESTSpecial Marine WarningTAE3 hr
Dec 24, 10:58 AM ESTSpecial Weather StatementTAEBay, Calhoun, Franklin, Gadsden, Gulf, Leon and 2 more92 min
Dec 24, 11:24 AM ESTSpecial Marine WarningTAE96 min
Dec 24, 12:24 PM ESTSpecial Weather StatementTAEFranklin, Gadsden, Gulf, Leon, Liberty, Wakulla96 min
Dec 24, 12:43 PM ESTSevere Thunderstorm WarningTAEFranklin, Gulf, Liberty, Wakulla92 min
Dec 24, 1:07 PM ESTSpecial Marine WarningTAE3 hr
Dec 24, 1:09 PM ESTSevere Thunderstorm WarningTAEGadsden, Leon, Liberty, Wakulla66 min
Dec 24, 1:29 PM ESTSevere Thunderstorm WarningTAEJefferson, Leon, Wakulla91 min
Dec 24, 2:58 PM ESTSpecial Weather StatementTAEMadison, Taylor47 min
Dec 24, 3:38 PM ESTSpecial Weather StatementTAELafayette, Madison, Taylor97 min
Dec 24, 3:59 PM ESTSevere Thunderstorm WarningTAEMadison46 min
Dec 24, 4:02 PM ESTSpecial Marine WarningTAE85 min
Dec 24, 4:10 PM ESTSevere Thunderstorm WarningTAELafayette, Taylor95 min
Dec 24, 4:35 PM ESTSpecial Weather StatementTAEDixie85 min
Dec 24, 9:09 AM ESTSpecial Weather StatementTAECalhoun, Clay, Early, Miller, Randolph, Terrell81 min
Dec 24, 10:07 AM ESTSpecial Weather StatementTAEBaker, Calhoun, Colquitt, Dougherty, Lee, Miller and 4 more68 min
Dec 24, 1:58 PM ESTSevere Thunderstorm WarningTAEGrady, Thomas34 min
Dec 24, 2:49 PM ESTSpecial Weather StatementTAEBen Hill, Berrien, Brooks, Colquitt, Cook, Irwin and 5 more41 min
Dec 24, 3:02 PM ESTSevere Thunderstorm WarningTAEBerrien, Brooks, Colquitt, Cook, Lanier, Lowndes and 1 more88 min
Dec 24, 7:00 AM ESTSpecial Weather StatementTAECoffee, Geneva45 min
Dec 24, 7:55 AM ESTSpecial Weather StatementTAEDale, Geneva, Henry, Houston65 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.