Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 56, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 9, 2021, 11:04 AM CDT for Bay County, Gulf County, Florida. It was in force for 41 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
- Apr 9, 2021, 11:04 AM CDT (16:04 UTC)
- Expired
- Apr 9, 2021, 11:45 AM CDT
- In force
- 41 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bay County, FL, Gulf County, FL
The radar
The Eglin Afb radar (KEVX), 72 km from the middle of the area, began a volume at 16:06 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, 4.1 hours before the alert went out and 121 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
- 1133 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 692 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.5
The text
As transmitted.
530
WUUS52 KTAE 091604
SVRTAE
FLC005-045-091645-
/O.NEW.KTAE.SV.W.0056.210409T1604Z-210409T1645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1204 PM EDT Fri Apr 9 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Northwestern Gulf County in the Panhandle of Florida...
Southeastern Bay County in the Panhandle of Florida...
* Until 1245 PM EDT/1145 AM CDT/.
* At 1203 PM EDT/1103 AM CDT/, severe thunderstorms were located
along a line extending from near Panama City to near Tyndall Air
Force Base to 16 miles southwest of Callaway, moving east at 30
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Panama City, Callaway, Springfield, Mexico Beach, Tyndall Air Force
Base, Wewahitchka, Parker, St Andrews State Park, Allanton, Beacon
Beach, Bay Harbor, Overstreet, Davis Beach, Wetappo, Beacon Hill,
Saint Joe Beach and Honeyville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows. Remember, if you can hear thunder, you are close
enough to be struck by lightning.
&&
LAT...LON 3013 8576 3020 8523 3002 8518 2988 8526
2990 8552 3002 8572
TIME...MOT...LOC 1603Z 270DEG 27KT 3011 8569 3003 8564 2993 8571
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
459
WWUS52 KTAE 091630
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
1230 PM EDT Fri Apr 9 2021
FLC005-045-091645-
/O.CON.KTAE.SV.W.0056.000000T0000Z-210409T1645Z/
Gulf FL-Bay FL-
1230 PM EDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM
EDT/1145 AM CDT/ FOR NORTHWESTERN GULF AND SOUTHEASTERN BAY
COUNTIES...
At 1229 PM EDT/1129 AM CDT/, severe thunderstorms were located along
a line extending from 6 miles northeast of Tyndall Air Force Base to
near Mexico Beach, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Callaway, Springfield, Mexico Beach, Tyndall Air Force Base,
Wewahitchka, Parker, Allanton, Overstreet, Davis Beach, Wetappo,
Beacon Hill, Saint Joe Beach and Honeyville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 2989 8548 2990 8548 2990 8551 2993 8557
3003 8560 3015 8561 3020 8523 3002 8518
2988 8526
TIME...MOT...LOC 1629Z 270DEG 27KT 3011 8547 3003 8542 2993 8549
HAIL...0.75IN
WIND...60MPH
$$004
WWUS52 KTAE 091644
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
1244 PM EDT Fri Apr 9 2021
FLC005-045-091654-
/O.EXP.KTAE.SV.W.0056.000000T0000Z-210409T1645Z/
Gulf FL-Bay FL-
1244 PM EDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GULF AND
SOUTHEASTERN BAY COUNTIES WILL EXPIRE AT 1245 PM EDT/1145 AM CDT/...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small
hail and gusty winds to 40 mph are still possible with these
thunderstorms.
LAT...LON 2989 8548 2990 8548 2990 8551 2993 8557
3003 8560 3015 8561 3020 8523 3002 8518
2988 8526
TIME...MOT...LOC 1644Z 270DEG 27KT 3011 8535 3003 8530 2993 8537
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 1:48 AM CDT | Special Marine Warning | TAE | 57 min | |
| Apr 9, 3:16 AM CDT | Special Weather Statement | TAE | Gulf | 44 min |
| Apr 9, 3:31 AM CDT | Special Marine Warning | TAE | 44 min | |
| Apr 9, 3:44 AM CDT | Severe Thunderstorm Warning | TAE | Franklin, Gulf, Liberty | 31 min |
| Apr 9, 4:15 AM CDT | Severe Thunderstorm Warning | TAE | Franklin, Gulf | 45 min |
| Apr 9, 4:55 AM CDT | Severe Thunderstorm Warning | TAE | Franklin | 35 min |
| Apr 9, 5:22 AM CDT | Special Marine Warning | TAE | 53 min | |
| Apr 9, 5:31 AM CDT | Special Weather Statement | TAE | Franklin | 44 min |
| Apr 9, 5:49 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Jackson, Washington | 56 min |
| Apr 9, 6:07 AM CDT | Special Marine Warning | TAE | 113 min | |
| Apr 9, 6:37 AM CDT | Special Weather Statement | TAE | Liberty | 38 min |
| Apr 9, 6:43 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Jackson | 62 min |
| Apr 9, 6:48 AM CDT | Areal Flood Advisory | TAE | Bay, Gulf | 3 hr |
| Apr 9, 6:59 AM CDT | Special Weather Statement | TAE | Walton | 46 min |
| Apr 9, 7:16 AM CDT | Special Weather Statement | TAE | Holmes | 44 min |
| Apr 9, 7:18 AM CDT | Special Weather Statement | TAE | Gulf | 27 min |
| Apr 9, 7:34 AM CDT | Severe Thunderstorm Warning | TAE | Holmes, Jackson, Washington | 43 min |
| Apr 9, 7:35 AM CDT | Severe Thunderstorm Warning | TAE | Jackson | 55 min |
| Apr 9, 7:54 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Apr 9, 8:31 AM CDT | Special Marine Warning | TAE | 3 hr | |
| Apr 9, 9:22 AM CDT | Flash Flood Warning | TAE | Bay, Walton | 3 hr |
| Apr 9, 9:53 AM CDT | Special Marine Warning | TAE | 3 hr | |
| Apr 9, 10:27 AM CDT | Severe Thunderstorm Warning | TAE | Bay | 48 min |
| Apr 9, 11:11 AM CDT | Flash Flood Warning | TAE | Bay, Gulf | 2 hr |
| Apr 9, 11:27 AM CDT | Special Marine Warning | TAE | 3 hr | |
| Apr 9, 11:43 AM CDT | Special Weather Statement | TAE | Gulf | 47 min |
| Apr 9, 11:56 AM CDT | Special Weather Statement | TAE | Bay, Calhoun, Jackson, Liberty, Washington | 64 min |
| Apr 9, 12:39 PM CDT | Special Weather Statement | TAE | Liberty | 51 min |
| Apr 9, 2:07 PM CDT | Small Craft Advisory | TAE | 29 hr | |
| Apr 9, 2:28 PM CDT | Special Marine Warning | TAE | 2 hr | |
| Apr 9, 4:42 PM CDT | Special Weather Statement | TAE | Bay, Calhoun, Gadsden, Gulf, Jefferson, Leon and 2 more | 48 min |
| Apr 9, 5:25 PM CDT | Special Marine Warning | TAE | 95 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.