Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 9, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Apr 24, 2021, 12:34 PM CDT for 4 counties in Florida. It was in force for 3 hr. 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
- Apr 24, 2021, 12:34 PM CDT (17:34 UTC)
- Expired
- Apr 24, 2021, 3:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Holmes County, FL, Jackson County, FL, Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 41 km from the middle of the area, began a volume at 17:35 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 |
|---|---|---|---|
| Apr 24, 3:22 PM CDT | FLASH FLOOD | 2 Nne Bonifay, FL | ROADWAY COVERED IN WATER. |
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, 5.6 hours before the alert went out and 182 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
- 175 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 544 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 447 m²/s²
- 0-3 km storm-relative helicity
- 570 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted.
072
WGUS52 KTAE 241734
FFWTAE
FLC059-063-131-133-242045-
/O.NEW.KTAE.FF.W.0009.210424T1734Z-210424T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
1234 PM CDT Sat Apr 24 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Holmes County in the panhandle of Florida...
Jackson County in the panhandle of Florida...
Walton County in the panhandle of Florida...
Northeastern Washington County in the panhandle of Florida...
* Until 345 PM CDT.
* At 1234 PM CDT, Local law enforcement reported thunderstorms
producing heavy rain. Several roads in northern Walton County are
impassible due to flash flooding. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Law enforcement.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Bonifay, Chipley, Graceville, Union, Liberty, Paxton, Caryville,
Esto, Westville, Campbellton, Noma, Izagora, Gritney, Baker
Settlement, Cerrogordo, Barker Store, New Hope, Hickory Hill,
Prosperity and Arrant Settlement.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3098 8616 3099 8520 3077 8547 3077 8574
3078 8639 3081 8639 3087 8639 3088 8639
3091 8639 3099 8639 3099 8626
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
AH1 follow-up statement
008
WGUS72 KTAE 242043
FFSTAE
Flash Flood Statement
National Weather Service Tallahassee FL
343 PM CDT Sat Apr 24 2021
FLC059-063-131-133-242053-
/O.EXP.KTAE.FF.W.0009.000000T0000Z-210424T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Holmes FL-Jackson FL-Walton FL-Washington FL-
343 PM CDT Sat Apr 24 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 345 PM CDT THIS AFTERNOON FOR
HOLMES, JACKSON, WALTON AND NORTHEASTERN WASHINGTON COUNTIES...
The heavy rain has ended. Additional flash flooding is not expected
to pose a threat. However, a Flood Warning remains in effect for the
Shoal River near Mossy Head in Walton County. Please continue to
heed remaining road closures.
A Flash Flood Watch remains in effect until 100 AM CDT Sunday for
portions of southeast Alabama...Panhandle Florida and Georgia.
LAT...LON 3098 8616 3099 8520 3077 8547 3077 8574
3078 8639 3081 8639 3087 8639 3088 8639
3091 8639 3099 8639 3099 8626
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 12:45 AM CDT | Flash Flood Watch | TAE | Holmes, Jackson, Walton, Washington | 22 hr |
| Apr 24, 1:00 AM CDT | Wind Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 18 hr |
| Apr 24, 6:29 AM CDT | Severe Thunderstorm Warning | TAE | Holmes, Walton | 59 min |
| Apr 24, 8:14 AM CDT | Severe Thunderstorm Warning | TAE | Holmes, Walton | 46 min |
| Apr 24, 8:56 AM CDT | Special Weather Statement | TAE | Holmes | 49 min |
| Apr 24, 9:01 AM CDT | Areal Flood Advisory | TAE | Holmes, Jackson, Walton | 119 min |
| Apr 24, 9:39 AM CDT | Flash Flood Warning | TAE | Holmes, Jackson, Walton | 3 hr |
| Apr 24, 9:48 AM CDT | Special Weather Statement | TAE | Jackson | 42 min |
| Apr 24, 9:52 AM CDT | Severe Thunderstorm Warning | TAE | Jackson, Washington | 53 min |
| Apr 24, 9:57 AM CDT | Tornado Warning | TAE | Jackson, Washington | 14 min |
| Apr 24, 10:20 AM CDT | Severe Thunderstorm Warning | TAE | Calhoun, Gadsden, Jackson | 40 min |
| Apr 24, 10:54 AM CDT | Severe Thunderstorm Warning | TAE | Holmes, Walton, Washington | 51 min |
| Apr 24, 10:57 AM CDT | Severe Thunderstorm Warning | TAE | Gadsden | 48 min |
| Apr 24, 11:09 AM CDT | Flash Flood Warning | TAE | Bay, Holmes, Jackson, Walton, Washington | 3 hr |
| Apr 24, 11:25 AM CDT | Special Weather Statement | TAE | Leon | 50 min |
| Apr 24, 11:30 AM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Jefferson, Leon | 30 min |
| Apr 24, 11:41 AM CDT | River Flood Warning | TAE | Walton | 41 hr |
| Apr 24, 11:41 AM CDT | Special Weather Statement | TAE | Holmes | 64 min |
| Apr 24, 11:45 AM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon | 30 min |
| Apr 24, 11:53 AM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Madison | 52 min |
| Apr 24, 12:03 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon | 27 min |
| Apr 24, 12:17 PM CDT | Flash Flood Warning | TAE | Jackson, Washington | 3 hr |
| Apr 24, 12:34 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Madison | 41 min |
| Apr 24, 12:39 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Madison | 51 min |
| Apr 24, 1:09 PM CDT | Tornado Warning | TAE | Jefferson, Madison | 36 min |
| Apr 24, 1:38 PM CDT | Tornado Warning | TAE | Madison | 19 min |
Nearby
Flash Flood Warnings in Florida, 2021Every flash flood 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.