Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 25, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Aug 16, 2021, 3:51 PM CDT for 5 counties in Florida. It was in force for 6 hr. 8 reports 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 16, 2021, 3:51 PM CDT (20:51 UTC)
- Expired
- Aug 16, 2021, 9:45 PM CDT
- In force
- 6 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Calhoun County, FL, Gulf County, FL, Jackson County, FL, Liberty County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 68 km from the middle of the area, began a volume at 20:53 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 16, 5:58 PM CDT | FLASH FLOOD | 3 Wnw Sunny Hills, FL | PORTION OF CLAYTON ROAD REPORTED UNDERWATER. |
| Aug 16, 6:49 PM CDT | FLASH FLOOD | 1 Sw Chipola, FL | SILAS WHITFIELD RD UNDER WATER ROAD CLOSED. |
| Aug 16, 6:53 PM CDT | FLASH FLOOD | 1 Wnw Scotts Ferry, FL | CAPTAIN LYNN ROAD UNDER WATER. |
| Aug 16, 7:00 PM CDT | FLASH FLOOD | 2 Ssw Clarksville, FL | DOUG PRICE RD IN CALHOUN COUNTY FLORIDA IS UNDER WATER. |
| Aug 16, 7:30 PM CDT | FLASH FLOOD | 1 Sw Gilberts Mill, FL | WATER ACROSS THE ROAD ON LEDGER ROAD AND OLIE ROAD. |
| Aug 16, 7:45 PM CDT | FLASH FLOOD | 2 W Gilberts Mill, FL | WATER ACROSS ROLAND ROAD. |
| Aug 16, 7:45 PM CDT | FLASH FLOOD | 2 W Sunny Hills, FL | GAINER ROAD UNDERWATER. |
| Aug 16, 8:00 PM CDT | FLASH FLOOD | 1 Nw Gilberts Mill, FL | SUGGS ROAD UNDERWATER. |
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, 8.9 hours before the alert went out and 89 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
- 368 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
000
WGUS52 KTAE 162051
FFWTAE
FLC013-045-063-077-133-170245-
/O.NEW.KTAE.FF.W.0025.210816T2051Z-210817T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
351 PM CDT Mon Aug 16 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Liberty County in Big Bend Florida...
Central Calhoun County in the panhandle of Florida...
North Central Gulf County in the panhandle of Florida...
Jackson County in the panhandle of Florida...
Northeastern Washington County in the panhandle of Florida...
* Until 945 PM CDT /1045 PM EDT/.
* At 351 PM CDT /451 PM EDT/, Doppler radar indicated thunderstorms
producing heavy rain across the warned area. Up to 3 inches of
rain have fallen in the last 2 Hours. Additional rainfall amounts
of 1 to 5 inches are possible in the warned area. Flash flooding
is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Blountstown, Marianna, Chipley, Orange, Bradford, Bristol,
Cottondale, Altha, Alford, Wausau, Red Oak, Blountstown Airport,
Durham, Kennys Mill, Chipola, Clarksville, Sharpstown, Nettle
Ridge, Abe Springs and Hugh Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3084 8557 3080 8529 3061 8502 3061 8501
3035 8478 3002 8474 3001 8494 3015 8506
3015 8514 3015 8519 3020 8514 3046 8522
3054 8538 3056 8538 3057 8538 3057 8544
3057 8545 3063 8558
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 8:42 AM CDT | Special Marine Warning | TAE | 48 min | |
| Aug 16, 9:27 AM CDT | Special Marine Warning | TAE | 63 min | |
| Aug 16, 10:01 AM CDT | River Flood Warning | TAE | Calhoun | 23 hr |
| Aug 16, 11:08 AM CDT | Special Marine Warning | TAE | 97 min | |
| Aug 16, 11:13 AM CDT | Areal Flood Advisory | TAE | Franklin, Liberty, Wakulla | 4 hr |
| Aug 16, 11:24 AM CDT | Areal Flood Advisory | TAE | Franklin, Gulf | 4 hr |
| Aug 16, 2:19 PM CDT | Flash Flood Warning | TAE | Bay, Calhoun, Gulf, Washington | 6 hr |
| Aug 16, 2:20 PM CDT | Special Marine Warning | TAE | 43 min | |
| Aug 16, 3:44 PM CDT | Special Marine Warning | TAE | 46 min | |
| Aug 16, 4:01 PM CDT | Special Weather Statement | TAE | Madison | 44 min |
| Aug 16, 4:17 PM CDT | Areal Flood Advisory | TAE | Holmes, Walton, Washington | 4 hr |
| Aug 16, 4:18 PM CDT | Special Marine Warning | TAE | 87 min | |
| Aug 16, 4:47 PM CDT | Flash Flood Warning | TAE | Holmes, Washington | 5 hr |
| Aug 16, 5:19 PM CDT | Flash Flood Warning | TAE | Holmes, Jackson, Washington | 6 hr |
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.