Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 14, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Jul 7, 2021, 11:59 AM EDT for Lafayette County, Madison County, Taylor County, Florida. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2021, 11:59 AM EDT (15:59 UTC)
- Expired
- Jul 7, 2021, 4:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lafayette County, FL, Madison County, FL, Taylor County, FL
The radar
The Moody AFB radar (KVAX), 74 km from the middle of the area, began a volume at 16:00 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.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.0 hours before the alert went out and 95 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
- 457 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 745 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
489
WGUS52 KTAE 071559
FFWTAE
FLC067-079-123-072000-
/O.NEW.KTAE.FF.W.0014.210707T1559Z-210707T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
1159 AM EDT Wed Jul 7 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Northwestern Lafayette County in Big Bend Florida...
Southeastern Madison County in Big Bend Florida...
Northeastern Taylor County in Big Bend Florida...
* Until 400 PM EDT.
* At 1159 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 3 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...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...
Perry, Madison, Lee, Smith, Townsend, Day, Fenholloway, Buckville,
Foley, Mayo Junction, Boyd, Chancey, Hopewell, Bucell Junction,
Perry-Foley Airport, Secotan, Pinland, Athena and Hampton Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
&&
LAT...LON 3048 8352 3047 8329 3044 8322 3041 8321
3041 8318 3039 8317 3038 8319 3035 8319
3035 8321 3031 8321 3030 8323 3025 8325
3022 8324 3018 8325 3017 8323 3000 8328
2994 8336 2995 8368 3013 8365 3027 8361
FLASH FLOOD...RADAR INDICATED
$$
EB1 follow-up statement
334
WGUS72 KTAE 071748
FFSTAE
Flash Flood Statement
National Weather Service Tallahassee FL
148 PM EDT Wed Jul 7 2021
FLC067-123-071758-
/O.CAN.KTAE.FF.W.0014.000000T0000Z-210707T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lafayette FL-Taylor FL-
148 PM EDT Wed Jul 7 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN LAFAYETTE AND
NORTHEASTERN TAYLOR COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flood Watch remains in effect until 800 PM EDT Wednesday for
portions of Big Bend Florida and south central Georgia.
LAT...LON 3048 8352 3047 8329 3044 8322 3042 8322
3042 8321 3041 8321 3041 8318 3039 8318
3039 8317 3038 8319 3035 8319 3035 8321
3032 8321 3031 8321 3030 8323 3026 8325
3026 8347 3031 8347 3030 8359
$$
FLC079-072000-
/O.CON.KTAE.FF.W.0014.000000T0000Z-210707T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Madison FL-
148 PM EDT Wed Jul 7 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON FOR SOUTHEASTERN MADISON COUNTY...
At 148 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1.5 and 3 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...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...
Madison, Lee and Hopewell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
&&
LAT...LON 3048 8352 3047 8329 3044 8322 3042 8322
3042 8321 3041 8321 3041 8318 3039 8318
3039 8317 3038 8319 3035 8319 3035 8321
3032 8321 3031 8321 3030 8323 3026 8325
3026 8347 3031 8347 3030 8359
FLASH FLOOD...RADAR INDICATED
$$
EBThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 9:51 PM EDT | Special Marine Warning | TAE | 54 min | |
| Jul 6, 9:52 PM EDT | Special Weather Statement | TAE | Bay, Calhoun, Washington | 53 min |
| Jul 7, 4:33 AM EDT | Areal Flood Warning | TAE | Dixie, Lafayette, Taylor | 12 hr |
| Jul 7, 9:43 AM EDT | Flash Flood Warning | TAE | Dixie, Taylor | 4 hr |
| Jul 7, 11:27 AM EDT | Special Weather Statement | TAE | Jackson | 63 min |
| Jul 7, 1:43 PM EDT | Flash Flood Warning | TAE | Madison | 5 hr |
| Jul 7, 4:27 PM EDT | Areal Flood Warning | TAE | Dixie, Jefferson, Lafayette, Madison, Taylor | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.