Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 31, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Sep 8, 2021, 2:17 PM CDT for 4 counties in Florida. It was in force for 4 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
- Sep 8, 2021, 2:17 PM CDT (19:17 UTC)
- Expired
- Sep 8, 2021, 6:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bay County, FL, Calhoun County, FL, Gulf County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 40 km from the middle of the area, began a volume at 19:16 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 |
|---|---|---|---|
| Sep 8, 6:10 PM CDT | FLASH FLOOD | Lynn Haven, FL | STARTING TO SEE FLOODING RETURN TO SOME AREAS IN LYNN HAVEN THAT REMAINED SATURATED AFTER RECENT RAINS. |
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, 7.3 hours before the alert went out and 128 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
- 881 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
220
WGUS52 KTAE 081917
FFWTAE
FLC005-013-045-133-082315-
/O.NEW.KTAE.FF.W.0031.210908T1917Z-210908T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
217 PM CDT Wed Sep 8 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Bay County in the panhandle of Florida...
Southwestern Calhoun County in the panhandle of Florida...
Northwestern Gulf County in the panhandle of Florida...
Southeastern Washington County in the panhandle of Florida...
* Until 615 PM CDT /715 PM EDT/.
* At 217 PM CDT /317 PM EDT/, Doppler radar indicated thunderstorms
producing heavy rain across the warned area. Between 1 and 4
inches of rain have fallen in the last 3 Hours. Additional
rainfall amounts of 1 to 3 inches are possible in the warned area.
Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
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...
Panama City, Lynn Haven, Panama City Beach, Callaway, Springfield,
Hiland Park, Tyndall Air Force Base, Bradford, Parker, Wausau,
Ebro, Camp Flowers, Majette, Cairo, Bayhead, Bayou George, Nixon,
Bennett, Recota Beach and Youngstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3034 8599 3067 8556 3060 8544 3058 8544
3057 8544 3057 8538 3041 8511 2994 8536
3001 8547 3009 8562 3013 8568 3015 8571
3016 8574 3017 8576 3031 8599 3032 8599
FLASH FLOOD...RADAR INDICATED
$$
JMThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 1:28 AM CDT | Flash Flood Watch | TAE | Bay, Calhoun, Dixie, Franklin, Gulf, Jefferson and 7 more | 30 hr |
| Sep 8, 2:17 AM CDT | Rip Current Statement | TAE | Bay, Franklin, Gulf, Walton | 47 hr |
| Sep 8, 2:36 AM CDT | Small Craft Advisory | TAE | 25 hr | |
| Sep 8, 4:19 AM CDT | Special Marine Warning | TAE | 41 min | |
| Sep 8, 5:49 AM CDT | Special Marine Warning | TAE | 56 min | |
| Sep 8, 6:11 AM CDT | Special Weather Statement | TAE | Holmes | 49 min |
| Sep 8, 6:41 AM CDT | Special Marine Warning | TAE | 94 min | |
| Sep 8, 8:10 AM CDT | Special Marine Warning | TAE | 95 min | |
| Sep 8, 9:46 AM CDT | Special Marine Warning | TAE | 89 min | |
| Sep 8, 11:55 AM CDT | Special Marine Warning | TAE | 95 min | |
| Sep 8, 1:24 PM CDT | Special Marine Warning | TAE | 66 min | |
| Sep 8, 1:54 PM CDT | Tornado Warning | TAE | Franklin | 36 min |
| Sep 8, 2:20 PM CDT | Special Marine Warning | TAE | 25 min | |
| Sep 8, 2:40 PM CDT | Special Marine Warning | TAE | 95 min | |
| Sep 8, 2:46 PM CDT | Special Marine Warning | TAE | 89 min | |
| Sep 8, 3:49 PM CDT | Special Marine Warning | TAE | 41 min | |
| Sep 8, 4:01 PM CDT | Tropical Storm Warning | TAE | Franklin, Gulf, Jefferson, Lafayette, Madison, Taylor and 1 more | 12 hr |
| Sep 8, 6:07 PM CDT | Flash Flood Warning | TAE | Bay, Calhoun, Gulf, Washington | 3 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.