Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 204, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 29, 2021, 5:23 PM CDT for Bay County, Walton County, Washington County, Florida. It was in force for 37 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
- Jul 29, 2021, 5:23 PM CDT (22:23 UTC)
- Expired
- Jul 29, 2021, 6:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Bay County, FL, Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 22 km from the middle of the area, began a volume at 22:23 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, 10.4 hours before the alert went out and 169 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
- 690 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1039 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted.
409
WUUS52 KTAE 292223
SVRTAE
FLC005-131-133-292300-
/O.NEW.KTAE.SV.W.0204.210729T2223Z-210729T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
523 PM CDT Thu Jul 29 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Northwestern Bay County in the Panhandle of Florida...
Southeastern Walton County in the Panhandle of Florida...
Southwestern Washington County in the Panhandle of Florida...
* Until 600 PM CDT.
* At 522 PM CDT, Doppler radar indicated a severe thunderstorm
capable of producing damaging winds in excess of 60 mph. This storm
was located 13 miles north of Panama City Beach, and moving west
at 10 mph. At 515 pm CDT, this storm produced a wind gust to 59
mph at the NW Beaches International Airport.
* Locations impacted include...
Freeport, Ebro, Bruce, Pine Log, Seminole Hills, Port Washington
and Bunker.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Severe thunderstorms produce damaging winds, deadly lightning and
very heavy rain. For your protection, move to an interior room on
the lowest floor of your home or business. Heavy rains flood roads
quickly so do not drive into areas where water covers the road.
&&
LAT...LON 3043 8612 3051 8611 3047 8584 3032 8585
3035 8612 3038 8612 3039 8611 3040 8611
3042 8612
TIME...MOT...LOC 2222Z 111DEG 7KT 3040 8591
$$
38-GODSEY1 follow-up statement
661
WWUS52 KTAE 292246
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
546 PM CDT Thu Jul 29 2021
FLC005-131-133-292300-
/O.CON.KTAE.SV.W.0204.000000T0000Z-210729T2300Z/
Bay FL-Walton FL-Washington FL-
546 PM CDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHWESTERN BAY...SOUTHEASTERN WALTON AND SOUTHWESTERN
WASHINGTON COUNTIES...
At 545 PM CDT, a severe thunderstorm was located 16 miles northwest
of Panama City Beach, moving west at 5 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Freeport, Bruce, Bunker and Port Washington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3043 8612 3051 8611 3047 8588 3034 8598
3035 8612 3038 8612 3039 8611 3040 8611
3042 8612
TIME...MOT...LOC 2245Z 097DEG 6KT 3042 8597
HAIL...<.75IN
WIND...60MPH
$$
38-GODSEYThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 7:29 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Madison | 46 min |
| Jul 29, 2:57 AM CDT | Excessive Heat Watch | TAE | Bay, Calhoun, Franklin, Gulf, Holmes, Jackson and 2 more | 12 hr |
| Jul 29, 2:57 AM CDT | Heat Advisory | TAE | Gadsden, Jefferson, Leon, Madison, Taylor, Wakulla | 39 hr |
| Jul 29, 5:23 AM CDT | Special Marine Warning | TAE | 3 hr | |
| Jul 29, 6:36 AM CDT | Special Marine Warning | TAE | 114 min | |
| Jul 29, 8:22 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jul 29, 8:35 AM CDT | Special Marine Warning | TAE | 115 min | |
| Jul 29, 10:24 AM CDT | Special Marine Warning | TAE | 96 min | |
| Jul 29, 11:55 AM CDT | Special Marine Warning | TAE | 95 min | |
| Jul 29, 2:06 PM CDT | Special Weather Statement | TAE | Gulf | 54 min |
| Jul 29, 2:35 PM CDT | Excessive Heat Warning | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more | 27 hr |
| Jul 29, 2:40 PM CDT | Special Weather Statement | TAE | Bay, Gulf | 50 min |
| Jul 29, 4:02 PM CDT | Special Weather Statement | TAE | Bay | 43 min |
| Jul 29, 4:13 PM CDT | Special Marine Warning | TAE | 62 min | |
| Jul 29, 4:38 PM CDT | Special Weather Statement | TAE | Washington | 67 min |
| Jul 29, 5:00 PM CDT | Special Weather Statement | TAE | Jefferson | 60 min |
| Jul 29, 5:59 PM CDT | Special Weather Statement | TAE | Walton | 61 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.