Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 222, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 20, 2021, 5:00 PM CDT for Calhoun County, Liberty County, Florida. It was in force for 30 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
- Aug 20, 2021, 5:00 PM CDT (22:00 UTC)
- Expired
- Aug 20, 2021, 5:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Calhoun County, FL, Liberty County, FL
The radar
The Tallahassee radar (KTLH), 69 km from the middle of the area, began a volume at 22:01 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 12:00Z, 10.0 hours before the alert went out and 71 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.
- Mixed-layer CAPE
- 675 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
313 WUUS52 KTAE 202200 SVRTAE FLC013-077-202230- /O.NEW.KTAE.SV.W.0222.210820T2200Z-210820T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tallahassee FL 600 PM EDT Fri Aug 20 2021 The National Weather Service in Tallahassee has issued a * Severe Thunderstorm Warning for... Southeastern Calhoun County in the Panhandle of Florida... West central Liberty County in Big Bend of Florida... * Until 630 PM EDT/530 PM CDT/. * At 600 PM EDT/500 PM CDT/, a severe thunderstorm was located 10 miles south of Blountstown, moving east at 10 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Orange, Bristol, Sharpstown, Vilas, Jensen Place, Central City, Red Hill, Marysville, Scotts Ferry, Estiffanulga, Wilma, Lewis, Woods, Nixon Garden and Hugh Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3021 8516 3039 8514 3043 8483 3012 8485 TIME...MOT...LOC 2200Z 276DEG 8KT 3029 8507 HAIL...<.75IN WIND...60MPH $$
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 2:34 PM CDT | Severe Thunderstorm Warning | TAE | Walton | 56 min |
| Aug 20, 3:38 PM CDT | Special Weather Statement | TAE | Holmes, Washington | 67 min |
| Aug 20, 4:37 PM CDT | Special Weather Statement | TAE | Calhoun, Liberty | 38 min |
| Aug 20, 6:19 PM CDT | Special Weather Statement | TAE | Wakulla | 41 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning in 2021
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.