Alert archive / Florida / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 126, NWS Tallahassee, FL

April 24, 2020Dixie County, Lafayette County, Taylor County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 24, 2020, 1:25 AM EDT for Dixie County, Lafayette County, Taylor County, Florida. It was in force for 95 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 24, 2020, 1:25 AM EDT (05:25 UTC)
Expired: Apr 24, 2020, 3:00 AM EDT
In force: 95 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Dixie County, FL, Lafayette County, FL, Taylor County, FL

The radar

The Tallahassee radar (KTLH), 113 km from the middle of the area, began a volume at 05:25 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

Jacksonville, FL (KJAX), launched 00:00Z, 5.4 hours before the alert went out and 172 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 960 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

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 24, 1:14 AM EDT, 11 minutes earlier.

Area forecast discussion, Apr 24, 1:14 AM EDT, 11 minutes before

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In the hours before

Local storm report, Apr 23, 11:28 PM EDT, 1 hour 57 minutes before

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Special weather statement, Apr 23, 11:34 PM EDT, 1 hour 51 minutes before

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Special weather statement, Apr 23, 11:48 PM EDT, 1 hour 37 minutes before

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Local storm report, Apr 24, 12:42 AM EDT, 43 minutes before

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Local storm report, Apr 24, 1:02 AM EDT, 23 minutes before

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Local storm report, Apr 24, 1:03 AM EDT, 22 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
Apr 23, 8:08 PM EDT	Severe Thunderstorm Warning	TAE	Dixie, Lafayette, Madison, Taylor	97 min
Apr 23, 8:21 PM EDT	Tornado Warning	TAE	Lafayette, Taylor	54 min
Apr 23, 8:51 PM EDT	Tornado Warning	TAE	Dixie, Lafayette	39 min
Apr 23, 11:09 PM EDT	Special Weather Statement	TAE	Liberty	36 min
Apr 23, 11:11 PM EDT	River Flood Warning	TAE	Gadsden, Jackson	44 hr
Apr 23, 11:16 PM EDT	Special Weather Statement	TAE	Leon	29 min
Apr 23, 11:21 PM EDT	Special Marine Warning	TAE		3 hr
Apr 23, 11:34 PM EDT	Special Weather Statement	TAE	Wakulla	26 min
Apr 23, 11:58 PM EDT	Severe Thunderstorm Warning	TAE	Franklin, Jefferson, Leon, Madison, Taylor, Wakulla	77 min
Apr 24, 12:36 AM EDT	Special Marine Warning	TAE		3 hr
Apr 24, 11:16 AM EDT	Rip Current Statement	TAE	Bay, Franklin, Gulf, Walton	12 hr
Apr 24, 11:27 AM EDT	River Flood Warning	TAE	Jackson	5 days
Apr 23, 9:04 PM EDT	River Flood Warning	TAE	Brooks, Lowndes	6 days
Apr 23, 9:29 PM EDT	River Flood Warning	TAE	Terrell, Webster	14 hr
Apr 23, 11:48 PM EDT	Special Weather Statement	TAE	Brooks, Thomas	27 min
Apr 24, 11:24 AM EDT	River Flood Warning	TAE	Dougherty	48 hr
Apr 24, 11:25 AM EDT	River Flood Warning	TAE	Baker, Mitchell	58 hr
Apr 24, 11:26 AM EDT	River Flood Warning	TAE	Decatur	6 days

Nearby

Severe Thunderstorm Warnings in Florida, 2020 Every 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.