Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 233, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 31, 2021, 9:15 AM CDT for Walton County, Washington County, Florida. It was in force for 30 min. 1 report 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 31, 2021, 9:15 AM CDT (14:15 UTC)
- Expired
- Aug 31, 2021, 9:45 AM CDT
- In force
- 30 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 27 km from the middle of the area, began a volume at 14:19 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 31, 9:32 AM CDT | TSTM WND DMG | 4 W Bruce, FL | TREE DOWN ON SR-20. TIME ESTIMATED BY RADAR. |
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, 2.3 hours before the alert went out and 178 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
- 822 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
567
WUUS52 KTAE 311415
SVRTAE
FLC131-133-311445-
/O.NEW.KTAE.SV.W.0233.210831T1415Z-210831T1445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
915 AM CDT Tue Aug 31 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Southern Walton County in the Panhandle of Florida...
Southwestern Washington County in the Panhandle of Florida...
* Until 945 AM CDT.
* At 914 AM CDT, a severe thunderstorm was located near Santa Rosa
Beach, moving northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Santa Rosa Beach, Eglin Air Force Base, Freeport, Ebro, Red Bay,
Portland, Port Washington, Blue Mountain Beach, Bruce, Red Head,
Knox Hill, Bunker and Grayton Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3042 8631 3039 8626 3040 8623 3042 8627
3043 8625 3038 8616 3039 8611 3042 8614
3043 8612 3044 8616 3047 8613 3046 8619
3050 8620 3048 8622 3048 8631 3067 8593
3044 8581 3041 8596 3038 8599 3030 8626
TIME...MOT...LOC 1414Z 243DEG 40KT 3042 8622
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
AHThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 8:09 PM CDT | Special Marine Warning | TAE | 96 min | |
| Aug 30, 9:19 PM CDT | Special Weather Statement | TAE | Bay, Holmes, Washington | 56 min |
| Aug 30, 9:45 PM CDT | Special Marine Warning | TAE | 60 min | |
| Aug 30, 10:02 PM CDT | Special Weather Statement | TAE | Holmes | 43 min |
| Aug 31, 2:23 AM CDT | Special Marine Warning | TAE | 97 min | |
| Aug 31, 2:36 AM CDT | Special Weather Statement | TAE | Washington | 39 min |
| Aug 31, 3:01 AM CDT | Small Craft Advisory | TAE | 42 hr | |
| Aug 31, 3:14 AM CDT | Special Weather Statement | TAE | Holmes, Walton, Washington | 61 min |
| Aug 31, 3:53 AM CDT | Special Marine Warning | TAE | 3 hr | |
| Aug 31, 4:16 AM CDT | Special Weather Statement | TAE | Jackson, Washington | 59 min |
| Aug 31, 4:43 AM CDT | Special Weather Statement | TAE | Holmes, Jackson, Washington | 62 min |
| Aug 31, 5:00 AM CDT | Special Weather Statement | TAE | Holmes, Walton | 60 min |
| Aug 31, 5:18 AM CDT | Special Weather Statement | TAE | Walton | 27 min |
| Aug 31, 5:42 AM CDT | Special Weather Statement | TAE | Bay, Calhoun, Jackson, Washington | 63 min |
| Aug 31, 5:55 AM CDT | Special Weather Statement | TAE | Calhoun, Gulf, Liberty | 50 min |
| Aug 31, 6:34 AM CDT | Special Weather Statement | TAE | Washington | 41 min |
| Aug 31, 6:40 AM CDT | Special Weather Statement | TAE | Liberty | 50 min |
| Aug 31, 6:45 AM CDT | Special Weather Statement | TAE | Jackson | 30 min |
| Aug 31, 6:49 AM CDT | Special Marine Warning | TAE | 26 min | |
| Aug 31, 6:52 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Walton, Washington | 23 min |
| Aug 31, 6:57 AM CDT | Special Marine Warning | TAE | 48 min | |
| Aug 31, 7:05 AM CDT | Special Weather Statement | TAE | Holmes | 25 min |
| Aug 31, 7:08 AM CDT | Special Marine Warning | TAE | 67 min | |
| Aug 31, 7:11 AM CDT | Special Weather Statement | TAE | Washington | 49 min |
| Aug 31, 7:23 AM CDT | Areal Flood Advisory | TAE | Holmes, Walton | 3 hr |
| Aug 31, 7:44 AM CDT | Special Marine Warning | TAE | 31 min | |
| Aug 31, 7:50 AM CDT | Special Weather Statement | TAE | Holmes, Walton | 40 min |
| Aug 31, 7:59 AM CDT | Areal Flood Advisory | TAE | Holmes | 3 hr |
| Aug 31, 8:14 AM CDT | Special Weather Statement | TAE | Holmes | 31 min |
| Aug 31, 8:16 AM CDT | Special Weather Statement | TAE | Walton | 29 min |
| Aug 31, 8:19 AM CDT | Special Marine Warning | TAE | 26 min | |
| Aug 31, 8:26 AM CDT | Special Marine Warning | TAE | 49 min | |
| Aug 31, 8:34 AM CDT | Areal Flood Advisory | TAE | Walton | 3 hr |
| Aug 31, 8:42 AM CDT | Special Weather Statement | TAE | Holmes, Jackson, Walton, Washington | 48 min |
| Aug 31, 8:44 AM CDT | Tornado Warning | TAE | Calhoun, Jackson | 17 min |
| Aug 31, 9:11 AM CDT | Special Marine Warning | TAE | 34 min | |
| Aug 31, 9:24 AM CDT | Special Marine Warning | TAE | 36 min | |
| Aug 31, 9:27 AM CDT | Special Weather Statement | TAE | Jackson, Washington | 33 min |
| Aug 31, 9:31 AM CDT | Tornado Warning | TAE | Jackson, Washington | 29 min |
| Aug 31, 9:45 AM CDT | Special Weather Statement | TAE | Washington | 45 min |
| Aug 31, 9:58 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Walton, Washington | 32 min |
| Aug 31, 10:00 AM CDT | Special Marine Warning | TAE | 45 min | |
| Aug 31, 10:03 AM CDT | Areal Flood Advisory | TAE | Bay, Holmes, Jackson, Walton, Washington | 3 hr |
| Aug 31, 10:04 AM CDT | Special Weather Statement | TAE | Jackson, Washington | 26 min |
| Aug 31, 10:22 AM CDT | Special Weather Statement | TAE | Jefferson, Madison | 23 min |
| Aug 31, 10:25 AM CDT | Special Weather Statement | TAE | Washington | 35 min |
| Aug 31, 10:28 AM CDT | Special Weather Statement | TAE | Jackson, Washington | 32 min |
| Aug 31, 10:30 AM CDT | Special Marine Warning | TAE | 15 min | |
| Aug 31, 10:42 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Gulf, Jackson, Washington | 33 min |
| Aug 31, 10:50 AM CDT | Special Marine Warning | TAE | 40 min | |
| Aug 31, 11:07 AM CDT | Areal Flood Advisory | TAE | Bay, Calhoun, Jackson, Washington | 3 hr |
| Aug 31, 11:16 AM CDT | Special Weather Statement | TAE | Bay, Calhoun, Gulf, Jackson | 59 min |
| Aug 31, 11:28 AM CDT | Special Marine Warning | TAE | 92 min | |
| Aug 31, 11:37 AM CDT | Special Weather Statement | TAE | Liberty | 38 min |
| Aug 31, 11:42 AM CDT | Special Weather Statement | TAE | Calhoun, Liberty | 33 min |
| Aug 31, 11:56 AM CDT | Special Marine Warning | TAE | 49 min | |
| Aug 31, 12:14 PM CDT | Special Weather Statement | TAE | Leon, Wakulla | 46 min |
| Aug 31, 12:16 PM CDT | Special Weather Statement | TAE | Liberty | 44 min |
| Aug 31, 12:24 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon, Liberty, Wakulla | 66 min |
| Aug 31, 12:29 PM CDT | Special Marine Warning | TAE | 91 min | |
| Aug 31, 12:44 PM CDT | Flash Flood Warning | TAE | Bay | 3 hr |
| Aug 31, 12:49 PM CDT | Special Marine Warning | TAE | 56 min | |
| Aug 31, 12:56 PM CDT | Special Weather Statement | TAE | Jefferson, Leon | 64 min |
| Aug 31, 1:18 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Jefferson, Leon | 26 min |
| Aug 31, 1:25 PM CDT | Special Marine Warning | TAE | 95 min | |
| Aug 31, 1:35 PM CDT | Special Weather Statement | TAE | Dixie, Lafayette, Madison, Taylor | 25 min |
| Aug 31, 1:57 PM CDT | Special Marine Warning | TAE | 33 min | |
| Aug 31, 2:00 PM CDT | Special Weather Statement | TAE | Lafayette, Madison | 15 min |
| Aug 31, 2:14 PM CDT | Special Weather Statement | TAE | Liberty | 46 min |
| Aug 31, 2:15 PM CDT | Special Weather Statement | TAE | Lafayette | 15 min |
| Aug 31, 2:26 PM CDT | Special Marine Warning | TAE | 64 min | |
| Aug 31, 2:28 PM CDT | Special Marine Warning | TAE | 32 min | |
| Aug 31, 2:31 PM CDT | Special Weather Statement | TAE | Lafayette, Madison, Taylor | 89 min |
| Aug 31, 2:50 PM CDT | Special Weather Statement | TAE | Franklin | 25 min |
| Aug 31, 3:02 PM CDT | Special Weather Statement | TAE | Dixie | 43 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.