Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 207, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 10, 2021, 4:26 PM CDT for Bay County, Washington County, Florida. It was in force for 64 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 10, 2021, 4:26 PM CDT (21:26 UTC)
- Expired
- Aug 10, 2021, 5:30 PM CDT
- In force
- 64 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bay County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 21 km from the middle of the area, began a volume at 21:25 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, 9.4 hours before the alert went out and 141 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.
341
WUUS52 KTAE 102126
SVRTAE
FLC005-133-102230-
/O.NEW.KTAE.SV.W.0207.210810T2126Z-210810T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
426 PM CDT Tue Aug 10 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Northern Bay County in the Panhandle of Florida...
Southern Washington County in the Panhandle of Florida...
* Until 530 PM CDT.
* At 425 PM CDT, a severe thunderstorm was located 12 miles northeast
of Lynn Haven, moving northwest at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Lynn Haven, Ebro, Southport, Fountain, Seminole Hills, Singer Road,
College Station, Bayou George, Camp Flowers, Holmes Valley, Gainer
Spring, Millers Ferry, Bennett, Youngstown, Porter Lake,
Brannonville, Vicksburg, Majette, Nixon and Bayhead.
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 3044 8591 3044 8590 3047 8589 3047 8588
3050 8586 3051 8588 3063 8583 3049 8538
3025 8539 3016 8546 3034 8596
TIME...MOT...LOC 2125Z 124DEG 12KT 3032 8546
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
42-DVD2 follow-up statements
815
WWUS52 KTAE 102153
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
453 PM CDT Tue Aug 10 2021
FLC005-133-102230-
/O.CON.KTAE.SV.W.0207.000000T0000Z-210810T2230Z/
Bay FL-Washington FL-
453 PM CDT Tue Aug 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHERN BAY AND SOUTHERN WASHINGTON COUNTIES...
At 453 PM CDT, a severe thunderstorm was located 10 miles northeast
of Lynn Haven, moving northwest at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Lynn Haven, Ebro, Bayhead, Southport, Seminole Hills, Singer Road,
Recota Beach, College Station, Bayou George, Greenhead, Camp Flowers,
Red Head, Holmes Valley, Gainer Spring, Millers Ferry, Bennett, Pine
Log, Porter Lake, Brannonville and Vicksburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tallahassee.
&&
LAT...LON 3044 8591 3044 8590 3047 8589 3047 8588
3050 8586 3051 8588 3063 8583 3051 8544
3033 8547 3019 8554 3034 8596
TIME...MOT...LOC 2153Z 124DEG 12KT 3037 8555
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
42-DVD066
WWUS52 KTAE 102220
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
520 PM CDT Tue Aug 10 2021
FLC005-133-102230-
/O.EXP.KTAE.SV.W.0207.000000T0000Z-210810T2230Z/
Bay FL-Washington FL-
520 PM CDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BAY AND SOUTHERN
WASHINGTON COUNTIES WILL EXPIRE AT 530 PM CDT...
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 will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.
LAT...LON 3044 8591 3044 8590 3047 8589 3047 8588
3050 8586 3051 8588 3063 8583 3051 8544
3033 8547 3019 8554 3034 8596
TIME...MOT...LOC 2220Z 124DEG 12KT 3042 8563
$$
42-DVDThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 7:33 PM CDT | Special Weather Statement | TAE | Lafayette | 42 min |
| Aug 9, 8:00 PM CDT | Special Weather Statement | TAE | Madison | 30 min |
| Aug 9, 8:12 PM CDT | Areal Flood Advisory | TAE | Madison | 2 hr |
| Aug 10, 2:17 PM CDT | Special Weather Statement | TAE | Leon | 28 min |
| Aug 10, 3:02 PM CDT | Special Weather Statement | TAE | Calhoun, Gulf | 43 min |
| Aug 10, 3:51 PM CDT | Special Weather Statement | TAE | Washington | 24 min |
| Aug 10, 4:17 PM CDT | Special Weather Statement | TAE | Bay | 28 min |
| Aug 10, 4:47 PM CDT | Special Weather Statement | TAE | Jackson | 28 min |
| Aug 10, 5:05 PM CDT | Special Weather Statement | TAE | Walton | 25 min |
| Aug 10, 5:34 PM CDT | Special Weather Statement | TAE | Washington | 26 min |
| Aug 10, 5:40 PM CDT | Special Weather Statement | TAE | Lafayette | 50 min |
| Aug 10, 5:46 PM CDT | Severe Thunderstorm Warning | TAE | Dixie, Lafayette | 59 min |
| Aug 10, 6:02 PM CDT | Special Weather Statement | TAE | Holmes | 43 min |
| Aug 10, 6:09 PM CDT | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.