Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 208, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 10, 2021, 6:46 PM EDT for Dixie County, Lafayette County, Florida. It was in force for 59 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 10, 2021, 6:46 PM EDT (22:46 UTC)
- Expired
- Aug 10, 2021, 7:45 PM EDT
- In force
- 59 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dixie County, FL, Lafayette County, FL
The radar
The Moody AFB radar (KVAX), 108 km from the middle of the area, began a volume at 22:49 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 10, 6:48 PM EDT | TSTM WND DMG | Mayo, FL | TREES DOWN IN MAYO. |
| Aug 10, 6:48 PM EDT | TSTM WND GST 51 | Mayo, FL | GUST TO 51 MPH AT LAFAYETTE HIGH SCHOOL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.8 hours before the alert went out and 136 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
- 2209 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 854 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
437
WUUS52 KTAE 102246
SVRTAE
FLC029-067-102345-
/O.NEW.KTAE.SV.W.0208.210810T2246Z-210810T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
646 PM EDT Tue Aug 10 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Lafayette County in Big Bend of Florida...
Northeastern Dixie County in Big Bend of Florida...
* Until 745 PM EDT.
* At 645 PM EDT, a severe thunderstorm was located over Mayo, moving
south at 5 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Mayo, Cooks Hammock, Grady, Hatch Bend, Fletcher, San Pedro
Junction, Alton, Fletcher Springs and Guaranto Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tallahassee.
&&
LAT...LON 2983 8289 2981 8293 2980 8292 2977 8295
2974 8294 2973 8295 2978 8332 3010 8326
3011 8322 3010 8318 3011 8316 3008 8307
3001 8300 2999 8296 2996 8295 2996 8293
2989 8292 2990 8290 2988 8289 2988 8288
TIME...MOT...LOC 2245Z 350DEG 5KT 3005 8315
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
42-DVD1 follow-up statement
839
WWUS52 KTAE 102316
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
716 PM EDT Tue Aug 10 2021
FLC029-067-102325-
/O.CAN.KTAE.SV.W.0208.000000T0000Z-210810T2345Z/
Lafayette FL-Dixie FL-
716 PM EDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR LAFAYETTE AND NORTHEASTERN
DIXIE COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
LAT...LON 2983 8289 2981 8293 2980 8292 2977 8295
2974 8294 2973 8295 2978 8332 3010 8326
3011 8322 3010 8318 3011 8316 3008 8307
3001 8300 2999 8296 2996 8295 2996 8293
2989 8292 2990 8290 2988 8289 2988 8288
TIME...MOT...LOC 2315Z 350DEG 5KT 3001 8314
$$
42-DVDThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 8:33 PM EDT | Special Weather Statement | TAE | Lafayette | 42 min |
| Aug 9, 9:00 PM EDT | Special Weather Statement | TAE | Madison | 30 min |
| Aug 9, 9:12 PM EDT | Areal Flood Advisory | TAE | Madison | 2 hr |
| Aug 10, 3:17 PM EDT | Special Weather Statement | TAE | Leon | 28 min |
| Aug 10, 4:02 PM EDT | Special Weather Statement | TAE | Calhoun, Gulf | 43 min |
| Aug 10, 4:51 PM EDT | Special Weather Statement | TAE | Washington | 24 min |
| Aug 10, 5:17 PM EDT | Special Weather Statement | TAE | Bay | 28 min |
| Aug 10, 5:26 PM EDT | Severe Thunderstorm Warning | TAE | Bay, Washington | 64 min |
| Aug 10, 5:47 PM EDT | Special Weather Statement | TAE | Jackson | 28 min |
| Aug 10, 6:05 PM EDT | Special Weather Statement | TAE | Walton | 25 min |
| Aug 10, 6:34 PM EDT | Special Weather Statement | TAE | Washington | 26 min |
| Aug 10, 6:40 PM EDT | Special Weather Statement | TAE | Lafayette | 50 min |
| Aug 10, 7:02 PM EDT | Special Weather Statement | TAE | Holmes | 43 min |
| Aug 10, 7:09 PM EDT | Special Weather Statement | TAE | Madison | 66 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.