Alert archive / Florida / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 180, NWS Tallahassee, FL

July 17, 2024Holmes County, Walton County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 17, 2024, 2:16 PM CDT for Holmes County, Walton County, Florida. It was in force for 29 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: Jul 17, 2024, 2:16 PM CDT (19:16 UTC)
Expired: Jul 17, 2024, 2:45 PM CDT
In force: 29 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Holmes County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 21 km from the middle of the area, began a volume at 19:18 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

Birmingham, AL (KBMX), launched 12:00Z, 7.3 hours before the alert went out and 281 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: 1466 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 802 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -5 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 Jul 17, 11:42 AM CDT, 2 hours 34 minutes earlier.

Area forecast discussion, Jul 17, 11:42 AM CDT, 2 hours 34 minutes before

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In the hours before

Local storm report, Jul 17, 11:49 AM CDT, 2 hours 27 minutes before

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Special weather statement, Jul 17, 11:54 AM CDT, 2 hours 22 minutes before

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Special weather statement, Jul 17, 1:03 PM CDT, 1 hour 13 minutes before

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Special weather statement, Jul 17, 1:36 PM CDT, 40 minutes before

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Special weather statement, Jul 17, 1:49 PM CDT, 27 minutes before

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Special weather statement, Jul 17, 1:53 PM CDT, 23 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
Jul 17, 8:09 AM CDT	Special Marine Warning	TAE		96 min
Jul 17, 8:48 AM CDT	Special Marine Warning	TAE		87 min
Jul 17, 9:42 AM CDT	Special Marine Warning	TAE		2 hr
Jul 17, 9:44 AM CDT	Special Marine Warning	TAE		2 hr
Jul 17, 10:15 AM CDT	Special Marine Warning	TAE		90 min
Jul 17, 10:15 AM CDT	Rip Current Statement	TAE	Franklin	15 hr
Jul 17, 11:45 AM CDT	Special Marine Warning	TAE		43 min
Jul 17, 11:54 AM CDT	Special Weather Statement	TAE	Leon, Wakulla	51 min
Jul 17, 12:01 PM CDT	Special Marine Warning	TAE		61 min
Jul 17, 1:36 PM CDT	Special Weather Statement	TAE	Holmes	39 min
Jul 17, 1:53 PM CDT	Special Weather Statement	TAE	Holmes, Walton	37 min
Jul 17, 2:30 PM CDT	Areal Flood Advisory	TAE	Walton	99 min
Jul 17, 2:42 PM CDT	Special Weather Statement	TAE	Holmes, Walton	48 min
Jul 17, 4:09 PM CDT	Areal Flood Advisory	TAE	Jackson	66 min
Jul 17, 1:03 PM CDT	Special Weather Statement	TAE	Early	42 min
Jul 17, 1:49 PM CDT	Special Weather Statement	TAE	Worth	26 min
Jul 17, 4:44 PM CDT	Special Weather Statement	TAE	Quitman	46 min
Jul 17, 5:37 PM CDT	Special Weather Statement	TAE	Irwin	23 min
Jul 17, 6:00 PM CDT	Special Weather Statement	TAE	Irwin	30 min
Jul 17, 6:17 PM CDT	Special Weather Statement	TAE	Irwin	28 min
Jul 17, 6:27 PM CDT	Severe Thunderstorm Warning	TAE	Irwin	33 min
Jul 17, 6:51 PM CDT	Special Weather Statement	TAE	Irwin	39 min
Jul 17, 6:57 PM CDT	Severe Thunderstorm Warning	TAE	Berrien, Irwin	37 min
Jul 17, 2:21 PM CDT	Special Weather Statement	TAE	Houston	39 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.