Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 45, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Oct 7, 2021, 3:27 AM CDT for Bay County, Florida. It was in force for 3 hr. 2 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, 3:27 AM CDT (08:27 UTC)
- Expired
- Oct 7, 2021, 6:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Bay County, FL
The radar
The Eglin Afb radar (KEVX), 24 km from the middle of the area, began a volume at 08:31 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, 5:25 AM CDT | FLASH FLOOD | 3 N West Bay, FL | FHP REPORTS WATER OVER THE ROAD NEAR THE INTERSECTION OF HIGHWAY 79 AND STEEL FIELD ROAD. |
| Oct 7, 6:30 AM CDT | FLASH FLOOD | 4 N West Bay, FL | FLOODING REPORTED ON VINSON ROAD. |
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, 8.5 hours before the alert went out and 152 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.
467
WGUS52 KTAE 070827
FFWTAE
FLC005-071130-
/O.NEW.KTAE.FF.W.0045.211007T0827Z-211007T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
327 AM CDT Thu Oct 7 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Northwestern Bay County in the panhandle of Florida...
* Until 630 AM CDT.
* At 327 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly. Around 3 inches of rain has fallen in
the past hour and an additional 2 to 3 inches of rainfall is
expected.
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 Beach, West Bay, Laird, Pine Log, Gulf Resort Beach,
Sunnyside, Laguna Beach and Hollywood Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3041 8591 3041 8588 3044 8586 3043 8577
3039 8574 3022 8589 3026 8597 3027 8597
3027 8596
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
625
WGUS72 KTAE 071036
FFSTAE
Flash Flood Statement
National Weather Service Tallahassee FL
536 AM CDT Thu Oct 7 2021
FLC005-071130-
/O.CON.KTAE.FF.W.0045.000000T0000Z-211007T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bay FL-
536 AM CDT Thu Oct 7 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT THIS
MORNING FOR NORTHWESTERN BAY COUNTY...
At 536 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain. Water was reported over the road near Highway 79 and Steel
Field Road. Between 3 and 6 inches of rain have fallen in the last 1
Hour. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Panama City Beach, West Bay, Laird, Pine Log, Gulf Resort Beach,
Sunnyside, Laguna Beach and Hollywood Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3041 8591 3041 8588 3044 8586 3043 8577
3039 8574 3022 8589 3026 8597 3027 8597
3027 8596
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$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, 3:49 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, 5:12 AM CDT | Flash Flood Warning | TAE | Bay, Washington | 3 hr |
| 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.