Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 22, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Aug 5, 2021, 12:43 PM EDT for Dixie County, Lafayette County, Taylor County, Florida. It was in force for 2 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
- Aug 5, 2021, 12:43 PM EDT (16:43 UTC)
- Expired
- Aug 5, 2021, 2:51 PM EDT
- In force
- 2 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Dixie County, FL, Lafayette County, FL, Taylor County, FL
The radar
The Tallahassee radar (KTLH), 110 km from the middle of the area, began a volume at 16:43 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 |
|---|---|---|---|
| Aug 5, 2:00 PM EDT | FLASH FLOOD | 1 Sse Carbur, FL | ROAD CLOSURE DUE TO WATER OVER ROADWAY ON US-19 NEAR SALEM. |
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, 4.7 hours before the alert went out and 108 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
- 113 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
449
WGUS52 KTAE 051643
FFWTAE
FLC029-067-123-051945-
/O.NEW.KTAE.FF.W.0022.210805T1643Z-210805T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
1243 PM EDT Thu Aug 5 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Northwestern Dixie County in Big Bend Florida...
Southwestern Lafayette County in Big Bend Florida...
Southeastern Taylor County in Big Bend Florida...
* Until 345 PM EDT.
* At 1243 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
3 and 6 inches of rain have fallen in the last 2 Hours. Rain rates
of 2 to 3 inches per hour. Flash flooding is ongoing or expected
to begin.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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...
Steinhatchee, Clara, Tennille, Salem, Carbur, Cooks Hammock,
Jonesboro, Hines, Howell Place, Jena, Athena, San Pedro Junction,
Blue Springs, Fish Creek, Bird Island, Cedar Island, Keaton Beach,
Jack Lee Island, Jug Island and Dekle Beach.
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.
&&
LAT...LON 2991 8368 3002 8349 3005 8320 2998 8308
2980 8302 2968 8324 2961 8338 2974 8361
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR
$$
WD1 follow-up statement
999
WGUS72 KTAE 051851
FFSTAE
Flash Flood Statement
National Weather Service Tallahassee FL
251 PM EDT Thu Aug 5 2021
FLC029-067-123-051901-
/O.CAN.KTAE.FF.W.0022.000000T0000Z-210805T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dixie FL-Lafayette FL-Taylor FL-
251 PM EDT Thu Aug 5 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN DIXIE,
SOUTHWESTERN LAFAYETTE AND SOUTHEASTERN TAYLOR COUNTIES...
The heavy rain has ended. While Flash flooding is no longer expected
to pose a threat, some flooding remains in the area. Additional rain
is possible later this evening. Please continue to heed any road
closures.
A Flash Flood Watch remains in effect until 800 PM EDT for a portion
of Big Bend Florida.
LAT...LON 2991 8368 3002 8349 3005 8320 2998 8308
2980 8302 2968 8324 2961 8338 2974 8361
$$
WDThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 11:55 PM EDT | Areal Flood Advisory | TAE | Lafayette | 3 hr |
| Aug 5, 3:05 AM EDT | Special Marine Warning | TAE | 55 min | |
| Aug 5, 4:19 AM EDT | Special Marine Warning | TAE | 86 min | |
| Aug 5, 6:35 AM EDT | Special Marine Warning | TAE | 85 min | |
| Aug 5, 11:30 AM EDT | Areal Flood Advisory | TAE | Dixie, Lafayette, Taylor | 3 hr |
| Aug 5, 5:23 PM EDT | Areal Flood Advisory | TAE | Lafayette | 112 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.