Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 123, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at May 4, 2021, 9:27 PM CDT for 4 counties in Florida; Seminole County, Georgia. It was in force for 63 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
- May 4, 2021, 9:27 PM CDT (02:27 UTC)
- Expired
- May 4, 2021, 10:30 PM CDT
- In force
- 63 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Calhoun County, FL, Holmes County, FL, Jackson County, FL, Washington County, FL, Seminole County, GA
The radar
The Eglin Afb radar (KEVX), 61 km from the middle of the area, began a volume at 02:26 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 |
|---|---|---|---|
| May 4, 9:40 PM CDT | TSTM WND DMG | 2 E Marianna, FL | TREES DOWN THROUGHOUT JACKSON COUNTY HWY 90, HWY 2, HWY162. |
| May 4, 10:15 PM CDT | TSTM WND DMG | 3 N Torreya State Park, FL | TREE BLOCKING THE ROADWAY ON NE BLUEBERRY DRIVE IN THE OCHEESEE COMMUNITY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 4, 6:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.5 hours before the alert went out and 108 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
- 1458 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.9
The text
As transmitted.
209
WUUS52 KTAE 050227
SVRTAE
FLC013-059-063-133-GAC253-050330-
/O.NEW.KTAE.SV.W.0123.210505T0227Z-210505T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1027 PM EDT Tue May 4 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Jackson County in the Panhandle of Florida...
Northern Calhoun County in the Panhandle of Florida...
Central Holmes County in the Panhandle of Florida...
Northern Washington County in the Panhandle of Florida...
Seminole County in southwestern Georgia...
* Until 1130 PM EDT/1030 PM CDT/.
* At 1027 PM EDT/927 PM CDT/, severe thunderstorms were located along
a line extending from 10 miles west of Vernon to 7 miles southeast
of Cottonwood, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Vernon, Chipley, Graceville, Bonifay, Marianna, Chattahoochee,
Bradford, Malone, Sneads, Cottondale, Grand Ridge, Greenwood, Ponce
De Leon, Altha, Alford, Caryville, Wausau, Esto, Westville and
Campbellton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3100 8570 3100 8475 3083 8477 3076 8486
3071 8486 3052 8499 3062 8591 3070 8585
3071 8596
TIME...MOT...LOC 0227Z 274DEG 40KT 3066 8588 3099 8520
HAIL...<.75IN
WIND...60MPH
$$
42-DVD1 follow-up statement
462
WWUS52 KTAE 050310
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
1110 PM EDT Tue May 4 2021
FLC059-133-050320-
/O.CAN.KTAE.SV.W.0123.000000T0000Z-210505T0330Z/
Holmes FL-Washington FL-
1110 PM EDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HOLMES AND NORTHERN
WASHINGTON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM
EDT/midnight CDT/ for Big Bend of and the Panhandle of Florida...and
southwestern Georgia.
LAT...LON 3100 8496 3100 8475 3083 8477 3076 8486
3071 8486 3052 8499 3057 8540 3062 8534
TIME...MOT...LOC 0310Z 278DEG 43KT 3055 8529 3096 8466
$$
FLC013-063-GAC253-050330-
/O.CON.KTAE.SV.W.0123.000000T0000Z-210505T0330Z/
Jackson FL-Calhoun FL-Seminole GA-
1110 PM EDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM
EDT/1030 PM CDT/ FOR EASTERN JACKSON...NORTHERN CALHOUN COUNTIES IN
THE PANHANDLE OF FLORIDA AND SEMINOLE COUNTIES IN SOUTHWESTERN
GEORGIA...
At 1110 PM EDT/1010 PM CDT/, severe thunderstorms were located along
a line extending from 15 miles south of Marianna to near West
Bainbridge, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Chattahoochee, Sneads, Grand Ridge, Altha, Reynoldsville, Ocheesee,
Selman, Blue Spring, Union City, Henderson Mill, Lovedale, Dellwood,
Riverturn, Star, Hornsville, Alliance, Buena Vista, Seminole State
Park, Steam Mill and Desser.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3100 8496 3100 8475 3083 8477 3076 8486
3071 8486 3052 8499 3057 8540 3062 8534
TIME...MOT...LOC 0310Z 278DEG 43KT 3055 8529 3096 8466
HAIL...<.75IN
WIND...60MPH
$$
42-DVDThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 8:32 PM CDT | Special Weather Statement | TAE | Walton | 58 min |
| May 4, 8:46 PM CDT | Severe Thunderstorm Warning | TAE | Holmes, Walton, Washington | 44 min |
| May 4, 10:29 PM CDT | Special Marine Warning | TAE | 91 min | |
| May 4, 10:34 PM CDT | Special Weather Statement | TAE | Gadsden, Leon | 56 min |
| May 4, 11:24 PM CDT | Special Weather Statement | TAE | Jefferson, Leon, Madison, Wakulla | 51 min |
| May 5, 12:00 AM CDT | Special Marine Warning | TAE | 90 min | |
| May 5, 2:12 AM CDT | Rip Current Statement | TAE | Bay, Franklin, Gulf, Walton | 48 hr |
| May 5, 4:29 AM CDT | Special Marine Warning | TAE | 61 min | |
| May 5, 6:36 AM CDT | Special Weather Statement | TAE | Gulf | 39 min |
| May 5, 12:18 PM CDT | Special Marine Warning | TAE | 3 hr | |
| May 5, 2:31 PM CDT | Special Marine Warning | TAE | 3 hr | |
| May 5, 3:26 PM CDT | Special Weather Statement | TAE | Gulf | 34 min |
| May 5, 4:02 PM CDT | Special Weather Statement | TAE | Franklin | 43 min |
| May 5, 4:30 PM CDT | Special Marine Warning | TAE | 3 hr | |
| May 5, 4:45 PM CDT | Special Weather Statement | TAE | Wakulla | 45 min |
| May 4, 7:21 PM CDT | Severe Thunderstorm Warning | TAE | Clay, Quitman, Randolph | 84 min |
| May 4, 7:36 PM CDT | Special Weather Statement | TAE | Ben Hill, Irwin, Turner | 39 min |
| May 4, 8:05 PM CDT | Severe Thunderstorm Warning | TAE | Ben Hill | 40 min |
| May 4, 8:44 PM CDT | Severe Thunderstorm Warning | TAE | Lee, Terrell | 46 min |
| May 4, 8:52 PM CDT | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Clay, Decatur, Dougherty, Early and 4 more | 83 min |
| May 4, 9:07 PM CDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Irwin, Tift, Turner, Worth | 85 min |
| May 4, 9:30 PM CDT | Severe Thunderstorm Warning | TAE | Berrien, Colquitt, Cook | 75 min |
| May 4, 9:43 PM CDT | Severe Thunderstorm Warning | TAE | Decatur, Grady, Thomas | 92 min |
| May 4, 10:13 PM CDT | Severe Thunderstorm Warning | TAE | Brooks, Lanier, Lowndes | 77 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Severe Thunderstorm Warnings in Georgia, 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.