Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 55, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 9, 2021, 10:27 AM CDT for Bay County, Florida. It was in force for 48 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, 10:27 AM CDT (15:27 UTC)
- Expired
- Apr 9, 2021, 11:15 AM CDT
- In force
- 48 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Bay County, FL
The radar
The Eglin Afb radar (KEVX), 37 km from the middle of the area, began a volume at 15:30 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, 3.5 hours before the alert went out and 154 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.
493
WUUS52 KTAE 091527
SVRTAE
FLC005-091615-
/O.NEW.KTAE.SV.W.0055.210409T1527Z-210409T1615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1027 AM CDT Fri Apr 9 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Central Bay County in the Panhandle of Florida...
* Until 1115 AM CDT.
* At 1026 AM CDT, severe thunderstorms were located along a line
extending from 17 miles east of Santa Rosa Beach to 7 miles
southwest of Panama City Beach to 27 miles southwest of Panama
City, 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, Lynn Haven, Panama City Beach, Callaway, Springfield,
Hiland Park, Tyndall Air Force Base, Parker, St Andrews State Park,
Southport, Cedar Grove, Dirego Park, Beacon Beach, Gulf Resort
Beach, West Panama City, Bahama Beach, Biltmore Beach, Sunnyside,
Brannonville and Millville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3029 8606 3027 8600 3030 8599 3036 8564
3010 8553 2996 8561 3021 8604 3029 8608
TIME...MOT...LOC 1526Z 271DEG 25KT 3029 8599 3011 8591 2992 8602
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
960
WWUS52 KTAE 091558
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
1058 AM CDT Fri Apr 9 2021
FLC005-091615-
/O.CON.KTAE.SV.W.0055.000000T0000Z-210409T1615Z/
Bay FL-
1058 AM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT
FOR CENTRAL BAY COUNTY...
At 1058 AM CDT, severe thunderstorms were located along a line
extending from 6 miles northwest of Lynn Haven to near Panama City to
15 miles southwest of Tyndall Air Force Base, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Panama City, Lynn Haven, Panama City Beach, Callaway, Springfield,
Hiland Park, Tyndall Air Force Base, Parker, St Andrews State Park,
Gulf Lagoon Beach, Magnolia Beach, Cedar Grove, Dirego Park, Beacon
Beach, Bay Harbor, West Panama City, Bahama Beach, Biltmore Beach,
Edgewater Gulf Beach and Brannonville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3027 8583 3028 8561 3010 8553 2996 8561
3015 8594
TIME...MOT...LOC 1558Z 271DEG 25KT 3029 8574 3011 8566 2992 8577
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$556
WWUS52 KTAE 091607
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
1107 AM CDT Fri Apr 9 2021
FLC005-091615-
/O.CON.KTAE.SV.W.0055.000000T0000Z-210409T1615Z/
Bay FL-
1107 AM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT
FOR SOUTH CENTRAL BAY COUNTY...
At 1107 AM CDT, severe thunderstorms were located along a line
extending from near Lynn Haven to near Callaway to 12 miles southwest
of Tyndall Air Force Base, 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, Tyndall Air Force Base, Parker,
Beacon Beach, Bay Harbor, Millville and St Andrews State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3014 8573 3017 8556 3010 8553 2996 8561
3006 8579
TIME...MOT...LOC 1607Z 270DEG 25KT 3029 8568 3011 8560 2992 8571
HAIL...1.00IN
WIND...60MPH
$$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, 11:04 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Gulf | 41 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.