Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 5, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Apr 9, 2021, 11:11 AM CDT for Bay County, Gulf County, Florida. It was in force for 2 hr. 5 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
- Apr 9, 2021, 11:11 AM CDT (16:11 UTC)
- Expired
- Apr 9, 2021, 1:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bay County, FL, Gulf County, FL
The radar
The Eglin Afb radar (KEVX), 58 km from the middle of the area, began a volume at 16:11 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 9, 11:45 AM CDT | FLASH FLOOD | 1 Nne Gulf Lagoon Beach, FL | ROAD CLOSURE DUE TO WATER NEAR FRONT BEACH RD AND DOROTHY AVE. |
| Apr 9, 11:48 AM CDT | FLASH FLOOD | 1 N Gulf Lagoon Beach, FL | ROAD CLOSURE AT ALLISON AVE AND FRONT BEACH RD. |
| Apr 9, 12:00 PM CDT | FLASH FLOOD | Panama City, FL | REPORT OF OAK AVE BEING CLOSED. |
| Apr 9, 12:01 PM CDT | FLASH FLOOD | Panama City, FL | REPORT OF 14TH ST BEING CLOSED WEST OF JENKS AVE. |
| Apr 9, 12:49 PM CDT | HEAVY RAIN 7.32 | Mexico Beach, FL | 7.32 INCHES OF RAIN SO FAR TODAY AT THE MEXICO BEACH WEATHERSTEM SITE. |
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, 4.2 hours before the alert went out and 125 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.
812
WGUS52 KTAE 091611
FFWTAE
FLC005-045-091815-
/O.NEW.KTAE.FF.W.0005.210409T1611Z-210409T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
1111 AM CDT Fri Apr 9 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Southeastern Bay County in the panhandle of Florida...
Northwestern Gulf County in the panhandle of Florida...
* Until 115 PM CDT /215 PM EDT/.
* At 1111 AM CDT /1211 PM EDT/, Doppler radar indicated
thunderstorms producing heavy rain across the warned area. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Panama City, Lynn Haven, Panama City Beach, Callaway, Springfield,
Mexico Beach, Tyndall Air Force Base, Hiland Park, Parker, Bay
Harbor, Millville, Cedar Grove, Beacon Beach, Dirego Park,
Brannonville, Allanton, College Station, Wetappo, Davis Beach and
Magnolia Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3022 8582 3033 8574 3028 8562 3028 8560
3020 8539 3019 8535 2992 8532 2986 8537
2987 8539 3018 8584
FLASH FLOOD...RADAR INDICATED
$$
42-DVDThe 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, 11:04 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Gulf | 41 min |
| 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
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.