Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 46, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Oct 7, 2021, 5:12 AM CDT for Bay County, Washington County, Florida. It was in force for 3 hr. 7 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
- Oct 7, 2021, 5:12 AM CDT (10:12 UTC)
- Expired
- Oct 7, 2021, 8:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bay County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 33 km from the middle of the area, began a volume at 10:14 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 |
|---|---|---|---|
| Oct 7, 5:30 AM CDT | FLASH FLOOD | 2 Nne Magnolia Beach, FL | FLOODING ON PETERS DR IN PANAMA CITY AT LEAST 5 INCHES DEEP. WATER CLOSE TO ENTERING HOUSES ON PETERS DR. |
| Oct 7, 6:07 AM CDT | FLASH FLOOD | Crystal Lake, FL | FHP REPORTS INTERSECTION OF HIGHWAY 77 AND CRYSTAL LAKE DRIVE IS UNDERWATER. |
| Oct 7, 6:29 AM CDT | FLASH FLOOD | 1 N Vicksburg, FL | PARTIAL ROAD CLOSURE ALONG STATE HIGHWAY 77 DUE TO FLOODING. |
| Oct 7, 6:40 AM CDT | FLASH FLOOD | Lynn Haven, FL | PUBLIC REPORT VIA SOCIAL MEDIA OF FLOODED IN STREETS AND WATER IN GARAGES ON ALABAMA AVE. NEAR MOWAT. |
| Oct 7, 6:45 AM CDT | FLASH FLOOD | 1 Ese Gulf Lagoon Beach, FL | ROAD FLOODED AT N. LAGOON DRIVE AND COUNTRY PLACE. |
| Oct 7, 7:00 AM CDT | FLASH FLOOD | 2 Ene Gulf Lagoon Beach, FL | LAIRD AND ALLISON TO JOAN AVE WAS CLOSED DUE TO FLOODING. |
| Oct 7, 7:00 AM CDT | FLASH FLOOD | 2 S Southport, FL | BAILEY BRIDGE ON HIGHWAY 77 HAD FLOODING AND WAS BACKED UP TO 2300. |
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 00:00Z, 10.2 hours before the alert went out and 138 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
- 111 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 837 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
513
WGUS52 KTAE 071012
FFWTAE
FLC005-133-071315-
/O.NEW.KTAE.FF.W.0046.211007T1012Z-211007T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
512 AM CDT Thu Oct 7 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Central Bay County in the panhandle of Florida...
South Central Washington County in the panhandle of Florida...
* Until 815 AM CDT.
* At 512 AM CDT, Gauge reports indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 4 inches of rain
have fallen in the last 1 Hour. Additional rainfall amounts of 2
to 4 inches are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Gauges reported.
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, Vicksburg, Southport and Magnolia Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3025 8587 3027 8585 3036 8577 3039 8575
3043 8577 3048 8577 3048 8571 3046 8568
3043 8564 3038 8561 3032 8561 3023 8564
3017 8570 3015 8573 3016 8577 3017 8578
3024 8578
FLASH FLOOD...GAUGE INDICATED
$$1 follow-up statement
990
WGUS72 KTAE 071025
FFSTAE
Flash Flood Statement
National Weather Service Tallahassee FL
525 AM CDT Thu Oct 7 2021
FLC005-133-071315-
/O.CON.KTAE.FF.W.0046.000000T0000Z-211007T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bay FL-Washington FL-
525 AM CDT Thu Oct 7 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 AM CDT THIS
MORNING FOR CENTRAL BAY AND SOUTH CENTRAL WASHINGTON COUNTIES...
At 525 AM CDT, gauge reports indicated thunderstorms producing heavy
rain across the warned area. A mesonet reported 1.61 inches of rain
in 15 minutes. Additional rainfall amounts of 2 to 4 inches are
likely in the warned area. Life threatening flash flooding is
expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Gauges reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Panama City, Lynn Haven, Vicksburg, Southport and Magnolia Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3025 8587 3027 8585 3036 8577 3039 8575
3043 8577 3048 8577 3048 8571 3046 8568
3043 8564 3038 8561 3032 8561 3023 8564
3017 8570 3015 8573 3016 8577 3017 8578
3024 8578
FLASH FLOOD...GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 8:49 PM CDT | River Flood Warning | TAE | Calhoun, Franklin, Gulf, Liberty | 6 days |
| Oct 7, 2:34 AM CDT | Dense Fog Advisory | TAE | Madison | 5 hr |
| Oct 7, 3:15 AM CDT | Special Weather Statement | TAE | Washington | 45 min |
| Oct 7, 3:23 AM CDT | Tornado Warning | TAE | Bay | 20 min |
| Oct 7, 3:27 AM CDT | Flash Flood Warning | TAE | Bay | 3 hr |
| Oct 7, 3:49 AM CDT | Special Marine Warning | TAE | 26 min | |
| Oct 7, 3:54 AM CDT | Special Weather Statement | TAE | Bay | 66 min |
| Oct 7, 5:05 AM CDT | Special Weather Statement | TAE | Bay | 55 min |
| Oct 7, 5:34 AM CDT | Flash Flood Warning | TAE | Bay | 3 hr |
| Oct 7, 5:56 AM CDT | Tornado Warning | TAE | Bay | 34 min |
| Oct 7, 6:27 AM CDT | Flash Flood Warning | TAE | Bay | 2 hr |
| Oct 7, 6:44 AM CDT | Flash Flood Warning | TAE | Bay | 3 hr |
| Oct 7, 6:45 AM CDT | Tornado Warning | TAE | Bay | 15 min |
| Oct 7, 7:52 AM CDT | Flash Flood Warning | TAE | Bay, Calhoun, Gulf | 2 hr |
| Oct 7, 8:18 AM CDT | Special Marine Warning | TAE | 42 min | |
| Oct 7, 8:32 AM CDT | Areal Flood Warning | TAE | Bay, Washington | 10 hr |
| Oct 7, 9:04 AM CDT | Flash Flood Warning | TAE | Gulf | 2 hr |
| Oct 7, 10:29 AM CDT | Areal Flood Warning | TAE | Bay, Calhoun, Gulf | 9 hr |
| Oct 7, 11:17 AM CDT | Rip Current Statement | TAE | Bay, Franklin, Gulf, Walton | 14 hr |
| Oct 7, 2:40 PM CDT | Special Marine Warning | TAE | 35 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.