Alert archive / Florida / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 21, NWS Tallahassee, FL

January 9, 2022Walton County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 9, 2022, 8:43 PM CST for Walton County, Florida. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 9, 2022, 8:43 PM CST (02:43 UTC)
Expired: Jan 9, 2022, 9:15 PM CST
In force: 32 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 47 km from the middle of the area, began a volume at 02:46 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

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.7 hours before the alert went out and 195 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: 312 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 680 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

052 
WUUS52 KTAE 100243
SVRTAE
FLC131-100315-
/O.NEW.KTAE.SV.W.0021.220110T0243Z-220110T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
843 PM CST Sun Jan 9 2022

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northwestern Walton County in the Panhandle of Florida...

* Until 915 PM CST.

* At 842 PM CST, a severe thunderstorm was located 9 miles south of
  Laurel Hill, or 10 miles northeast of Crestview, moving east at 35
  mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  De Funiak Springs, Eglin Air Force Base, Liberty, Paxton, Gordon,
  Pond Creek, Oakwood Hills, Cluster Springs, Fox Hill, Gaskin, Sand
  Hill, Alpine Heights, De Funiak Spring Airport, Glendale, Lakewood,
  Pleasant Ridge, Center Ridge, Flowersville, New Harmony and Piney
  Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3099 8639 3099 8606 3067 8609 3072 8639
TIME...MOT...LOC 0242Z 273DEG 31KT 3083 8642 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

21-WD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 9, 8:30 PM CST	Special Weather Statement	TAE	Holmes, Walton	45 min
Jan 9, 9:26 PM CST	Special Weather Statement	TAE	Calhoun	34 min
Jan 9, 9:43 PM CST	Special Marine Warning	TAE		21 min
Jan 9, 9:59 PM CST	Special Weather Statement	TAE	Leon, Liberty	31 min
Jan 9, 10:11 PM CST	Special Weather Statement	TAE	Jefferson	34 min
Jan 9, 10:33 PM CST	Special Weather Statement	TAE	Jefferson, Leon, Wakulla	27 min
Jan 9, 10:57 PM CST	Special Weather Statement	TAE	Jefferson, Madison, Wakulla	33 min
Jan 9, 11:00 PM CST	Special Marine Warning	TAE		45 min
Jan 9, 11:26 PM CST	Special Weather Statement	TAE	Lafayette, Taylor	34 min
Jan 9, 11:42 PM CST	Special Marine Warning	TAE		48 min
Jan 10, 1:56 AM CST	Special Marine Warning	TAE		49 min
Jan 10, 2:57 AM CST	Special Marine Warning	TAE		48 min

Nearby

Severe Thunderstorm Warnings in Florida, 2022 Every severe thunderstorm warning in 2022

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.