Alert archive / Florida / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 77, NWS Tallahassee, FL

March 12, 2023Jefferson County, Taylor County, Wakulla County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 12, 2023, 5:39 PM EDT for Jefferson County, Taylor County, Wakulla County, Florida. It was in force for 37 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: Mar 12, 2023, 5:39 PM EDT (21:39 UTC)
Expired: Mar 12, 2023, 6:16 PM EDT
In force: 37 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Jefferson County, FL, Taylor County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 41 km from the middle of the area, began a volume at 21:40 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
Mar 12, 1:04 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.7 hours before the alert went out and 39 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: 82 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 693 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Mar 12, 4:36 PM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, Mar 12, 4:36 PM EDT, 1 hour 3 minutes before

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In the hours before

Local storm report, Mar 12, 3:18 PM EDT, 2 hours 21 minutes before

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Special weather statement, Mar 12, 3:26 PM EDT, 2 hours 13 minutes before

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Special weather statement, Mar 12, 3:56 PM EDT, 1 hour 43 minutes before

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Special weather statement, Mar 12, 4:44 PM EDT, 55 minutes before

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Special weather statement, Mar 12, 5:14 PM EDT, 25 minutes before

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Local storm report, Mar 12, 5:25 PM EDT, 14 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
Mar 11, 8:05 PM EST	Dense Smoke Advisory	TAE	Leon	12 hr
Mar 12, 4:24 AM EDT	Rip Current Statement	TAE	Bay, Gulf, Walton	21 hr
Mar 12, 11:17 AM EDT	Special Weather Statement	TAE	Holmes, Walton	43 min
Mar 12, 12:05 PM EDT	Special Weather Statement	TAE	Holmes, Jackson, Walton, Washington	55 min
Mar 12, 12:45 PM EDT	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Washington	45 min
Mar 12, 1:00 PM EDT	Special Weather Statement	TAE	Jackson, Walton, Washington	60 min
Mar 12, 1:19 PM EDT	Severe Thunderstorm Warning	TAE	Jackson	41 min
Mar 12, 1:29 PM EDT	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Washington	31 min
Mar 12, 2:01 PM EDT	Special Weather Statement	TAE	Calhoun, Gadsden, Jackson, Leon, Walton, Washington	89 min
Mar 12, 2:02 PM EDT	Severe Thunderstorm Warning	TAE	Jackson, Washington	28 min
Mar 12, 2:11 PM EDT	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	34 min
Mar 12, 2:27 PM EDT	Severe Thunderstorm Warning	TAE	Calhoun, Gadsden, Jackson, Liberty, Washington	63 min
Mar 12, 2:52 PM EDT	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Jackson, Walton, Washington	38 min
Mar 12, 3:26 PM EDT	Special Weather Statement	TAE	Bay, Calhoun, Gadsden, Leon, Liberty	64 min
Mar 12, 4:18 PM EDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon, Liberty, Wakulla	42 min
Mar 12, 4:44 PM EDT	Special Weather Statement	TAE	Liberty	46 min
Mar 12, 4:49 PM EDT	Special Marine Warning	TAE		56 min
Mar 12, 4:57 PM EDT	Severe Thunderstorm Warning	TAE	Leon, Wakulla	48 min
Mar 12, 5:14 PM EDT	Special Weather Statement	TAE	Madison	31 min
Mar 12, 5:23 PM EDT	Special Marine Warning	TAE		67 min
Mar 12, 5:42 PM EDT	Special Weather Statement	TAE	Madison	33 min
Mar 12, 6:19 PM EDT	Special Weather Statement	TAE	Taylor	41 min
Mar 12, 6:30 PM EDT	Special Marine Warning	TAE		90 min
Mar 12, 6:55 PM EDT	Special Weather Statement	TAE	Holmes	50 min
Mar 12, 7:01 PM EDT	Special Weather Statement	TAE	Gulf	29 min
Mar 12, 7:25 PM EDT	Special Weather Statement	TAE	Taylor	35 min
Mar 12, 7:40 PM EDT	Special Weather Statement	TAE	Holmes, Walton, Washington	50 min
Mar 12, 7:49 PM EDT	Severe Thunderstorm Warning	TAE	Lafayette, Taylor	41 min
Mar 12, 7:51 PM EDT	Special Weather Statement	TAE	Franklin	24 min
Mar 12, 7:54 PM EDT	Special Weather Statement	TAE	Gulf	36 min
Mar 12, 11:03 AM EDT	Special Weather Statement	TAE	Quitman, Randolph	57 min
Mar 12, 11:41 AM EDT	Severe Thunderstorm Warning	TAE	Lee, Randolph, Terrell	34 min
Mar 12, 12:11 PM EDT	Special Weather Statement	TAE	Calhoun, Clay, Early, Quitman, Randolph, Terrell	64 min
Mar 12, 12:42 PM EDT	Severe Thunderstorm Warning	TAE	Baker, Early, Miller	33 min
Mar 12, 1:15 PM EDT	Special Weather Statement	TAE	Baker, Miller, Mitchell	45 min
Mar 12, 1:38 PM EDT	Severe Thunderstorm Warning	TAE	Decatur, Grady, Mitchell, Seminole	52 min
Mar 12, 2:10 PM EDT	Severe Thunderstorm Warning	TAE	Colquitt, Grady, Mitchell, Thomas, Tift, Worth	35 min
Mar 12, 2:16 PM EDT	Tornado Warning	TAE	Colquitt, Tift, Worth	29 min
Mar 12, 2:58 PM EDT	Severe Thunderstorm Warning	TAE	Berrien, Brooks, Colquitt, Cook, Lanier, Lowndes	47 min
Mar 12, 3:24 PM EDT	Severe Thunderstorm Warning	TAE	Berrien, Lanier, Lowndes	36 min
Mar 12, 3:56 PM EDT	Special Weather Statement	TAE	Brooks, Lowndes	34 min
Mar 12, 11:38 AM EDT	Severe Thunderstorm Warning	TAE	Coffee, Dale, Henry, Houston	52 min

Nearby

Severe Thunderstorm Warnings in Florida, 2023 Every severe thunderstorm warning in 2023

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.