Alert archive / Florida / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 73, NWS Tallahassee, FL

April 10, 20244 counties in Florida; Geneva County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 10, 2024, 2:23 PM CDT for 4 counties in Florida; Geneva County, Alabama. It was in force for 82 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: Apr 10, 2024, 2:23 PM CDT (19:23 UTC)
Expired: Apr 10, 2024, 3:45 PM CDT
In force: 82 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Geneva County, AL, Bay County, FL, Holmes County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 16 km from the middle of the area, began a volume at 19:22 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
Apr 10, 1:12 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.4 hours before the alert went out and 149 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: 4 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 618 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 100 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 Apr 10, 12:17 PM CDT, 2 hours 6 minutes earlier.

Area forecast discussion, Apr 10, 12:17 PM CDT, 2 hours 6 minutes before

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In the hours before

Local storm report, Apr 10, 1:48 PM CDT, 35 minutes before

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Local storm report, Apr 10, 2:10 PM CDT, 13 minutes before

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Local storm report, Apr 10, 2:22 PM CDT, 1 minute 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
Apr 10, 2:24 AM CDT	Wind Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	41 hr
Apr 10, 2:39 AM CDT	High Surf Advisory	TAE	Bay, Franklin, Gulf, Walton	47 hr
Apr 10, 2:43 AM CDT	Gale Warning	TAE		38 hr
Apr 10, 12:41 PM CDT	Coastal Flood Warning	TAE	Dixie, Jefferson, Taylor, Wakulla	30 hr
Apr 10, 12:41 PM CDT	Coastal Flood Advisory	TAE	Franklin	30 hr
Apr 10, 2:26 PM CDT	Special Marine Warning	TAE		64 min
Apr 10, 3:23 PM CDT	Special Marine Warning	TAE		3 hr
Apr 10, 3:40 PM CDT	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Gulf, Holmes, Jackson, Walton and 1 more	95 min
Apr 10, 4:08 PM CDT	Tornado Warning	TAE	Walton	37 min
Apr 10, 4:41 PM CDT	Flash Flood Warning	TAE	Holmes, Jackson, Walton, Washington	6 hr
Apr 10, 5:04 PM CDT	Tornado Warning	TAE	Bay, Walton	41 min
Apr 10, 5:09 PM CDT	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	96 min
Apr 10, 5:23 PM CDT	Special Marine Warning	TAE		3 hr
Apr 10, 5:43 PM CDT	Flash Flood Warning	TAE	Bay	5 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2024 Severe Thunderstorm Warnings in Alabama, 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.