Alert archive / Florida / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 221, NWS Tallahassee, FL

August 19, 20244 counties in Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 19, 2024, 1:07 AM CDT for 4 counties in Florida. It was in force for 48 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 19, 2024, 1:07 AM CDT (06:07 UTC)
Expired: Aug 19, 2024, 1:55 AM CDT
In force: 48 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Holmes County, FL, Jackson County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 26 km from the middle of the area, began a volume at 06:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 18, 6:10 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 6.1 hours before the alert went out and 291 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1247 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 1682 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.4

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 Aug 19, 12:41 AM CDT, 26 minutes earlier.

Area forecast discussion, Aug 19, 12:41 AM CDT, 26 minutes before

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In the hours before

Local storm report, Aug 18, 10:59 PM CDT, 2 hours 8 minutes before

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Special weather statement, Aug 18, 11:43 PM CDT, 1 hour 24 minutes before

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Special weather statement, Aug 18, 11:50 PM CDT, 1 hour 17 minutes before

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Local storm report, Aug 18, 11:52 PM CDT, 1 hour 15 minutes before

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Special weather statement, Aug 19, 12:05 AM CDT, 1 hour 2 minutes before

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Special weather statement, Aug 19, 12:33 AM CDT, 34 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 8:03 PM CDT	Special Weather Statement	TAE	Gadsden	57 min
Aug 18, 8:28 PM CDT	Severe Thunderstorm Warning	TAE	Madison	92 min
Aug 18, 8:46 PM CDT	Severe Thunderstorm Warning	TAE	Jackson	59 min
Aug 18, 9:06 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Washington	84 min
Aug 18, 9:24 PM CDT	Special Weather Statement	TAE	Jefferson, Madison	66 min
Aug 18, 9:29 PM CDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon	61 min
Aug 18, 10:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TAE	Calhoun, Jackson, Liberty	88 min
Aug 18, 10:24 PM CDT	Special Weather Statement	TAE	Gadsden, Jefferson, Leon	66 min
Aug 18, 10:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TAE	Calhoun, Liberty, Wakulla	62 min
Aug 18, 10:50 PM CDT	Special Marine Warning	TAE		116 min
Aug 18, 11:50 PM CDT	Special Weather Statement	TAE	Liberty	40 min
Aug 19, 12:10 AM CDT	Severe Thunderstorm Warning	TAE	Jackson	64 min
Aug 19, 12:33 AM CDT	Special Weather Statement	TAE	Holmes	57 min
Aug 19, 12:37 AM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	83 min
Aug 19, 1:30 AM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	60 min
Aug 19, 1:39 AM CDT	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Gadsden, Jackson, Liberty, Walton and 1 more	96 min
Aug 19, 1:56 AM CDT	Severe Thunderstorm Warning	TAE	Bay, Gulf, Walton, Washington	94 min
Aug 19, 2:04 AM CDT	Special Marine Warning	TAE		3 hr
Aug 19, 2:31 AM CDT	Areal Flood Advisory	TAE	Bay, Walton, Washington	3 hr
Aug 19, 2:46 AM CDT	Severe Thunderstorm Warning	TAE	Franklin, Gadsden, Leon, Liberty, Wakulla	31 min
Aug 19, 2:48 AM CDT	Areal Flood Advisory	TAE	Bay, Calhoun, Gulf	3 hr
Aug 19, 2:48 AM CDT	Special Marine Warning	TAE		2 hr
Aug 19, 2:50 AM CDT	Special Weather Statement	TAE	Liberty	25 min
Aug 19, 4:00 AM CDT	Special Weather Statement	TAE	Gulf	45 min
Aug 19, 4:11 AM CDT	Special Marine Warning	TAE		3 hr
Aug 19, 5:22 AM CDT	Special Marine Warning	TAE		2 hr
Aug 19, 6:04 AM CDT	Special Marine Warning	TAE		86 min
Aug 19, 7:13 AM CDT	Special Marine Warning	TAE		62 min
Aug 19, 8:15 AM CDT	Special Marine Warning	TAE		28 min
Aug 19, 9:06 AM CDT	Heat Advisory	TAE	Bay, Calhoun, Franklin, Gadsden, Gulf, Jefferson and 2 more	10 hr
Aug 19, 10:47 AM CDT	Rip Current Statement	TAE	Bay, Gulf, Walton	17 hr
Aug 19, 12:48 PM CDT	Special Weather Statement	TAE	Wakulla	57 min
Aug 19, 12:54 PM CDT	Special Marine Warning	TAE		96 min
Aug 19, 2:26 PM CDT	Special Weather Statement	TAE	Wakulla	64 min
Aug 19, 2:27 PM CDT	Special Marine Warning	TAE		31 min
Aug 19, 2:30 PM CDT	Special Marine Warning	TAE		90 min
Aug 19, 3:22 PM CDT	Special Marine Warning	TAE		23 min
Aug 19, 3:23 PM CDT	Special Weather Statement	TAE	Lafayette, Taylor	67 min
Aug 19, 4:12 PM CDT	Special Weather Statement	TAE	Madison	33 min
Aug 19, 4:45 PM CDT	Special Weather Statement	TAE	Madison	45 min
Aug 19, 4:54 PM CDT	Special Weather Statement	TAE	Liberty	51 min
Aug 19, 5:08 PM CDT	Special Marine Warning	TAE		67 min
Aug 19, 5:44 PM CDT	Special Weather Statement	TAE	Wakulla	61 min
Aug 19, 6:00 PM CDT	Special Weather Statement	TAE	Jefferson	60 min
Aug 19, 6:15 PM CDT	Special Marine Warning	TAE		37 min
Aug 19, 6:34 PM CDT	Special Weather Statement	TAE	Wakulla	56 min
Aug 19, 6:51 PM CDT	Special Weather Statement	TAE	Jefferson, Madison	24 min
Aug 18, 7:10 PM CDT	Severe Thunderstorm Warning	TAE	Clay, Quitman, Randolph	50 min
Aug 18, 7:26 PM CDT	Severe Thunderstorm Warning	TAE	Ben Hill, Irwin, Tift, Turner, Worth	64 min
Aug 18, 7:32 PM CDT	Special Weather Statement	TAE	Baker, Colquitt, Dougherty, Mitchell	43 min
Aug 18, 7:56 PM CDT	Severe Thunderstorm Warning	TAE	Baker, Colquitt, Dougherty, Mitchell, Thomas, Tift and 1 more	64 min
Aug 18, 8:10 PM CDT	Severe Thunderstorm Warning	TAE	Ben Hill, Berrien, Irwin, Lanier, Tift	50 min
Aug 18, 8:37 PM CDT	Severe Thunderstorm Warning	TAE	Brooks, Decatur, Grady, Thomas	53 min
Aug 18, 9:04 PM CDT	Special Weather Statement	TAE	Decatur, Seminole	56 min
Aug 19, 12:52 AM CDT	Severe Thunderstorm Warning	TAE	Baker, Decatur, Grady, Miller, Mitchell, Seminole	86 min
Aug 19, 2:00 AM CDT	Special Weather Statement	TAE	Colquitt	30 min
Aug 19, 2:44 AM CDT	Special Weather Statement	TAE	Cook, Lanier	61 min
Aug 19, 6:11 PM CDT	Special Weather Statement	TAE	Lanier	34 min
Aug 18, 7:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TAE	Coffee, Dale	68 min
Aug 18, 9:01 PM CDT	Special Weather Statement	TAE	Houston	44 min
Aug 18, 11:43 PM CDT	Special Weather Statement	TAE	Houston	32 min
Aug 19, 12:05 AM CDT	Special Weather Statement	TAE	Houston	40 min

Nearby

Severe Thunderstorm Warnings in Florida, 2024 Every severe thunderstorm warning in 2024

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.