Alert archive / Florida / Flash Flood Warnings in 2017
Flash Flood Warning 13, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Jun 21, 2017, 9:52 AM CDT for Bay County, Walton County, Washington County, Florida. It was in force for 3 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
- Jun 21, 2017, 9:52 AM CDT (14:52 UTC)
- Expired
- Jun 21, 2017, 12:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bay County, FL, Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 6 km from the middle of the area, began a volume at 14:51 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 |
|---|---|---|---|
| Jun 21, 10:15 AM CDT | FLASH FLOOD | 2 Nnw Crystal Lake, FL | WATER COMPLETELY COVERING THE ROADWAY ON COYOTE TRAIL. |
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, 2.9 hours before the alert went out and 151 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
- 571 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
241 WGUS52 KTAE 211452 FFWTAE FLC005-131-133-211745- /O.NEW.KTAE.FF.W.0013.170621T1452Z-170621T1745Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tallahassee FL 952 AM CDT WED JUN 21 2017 The National Weather Service in Tallahassee has issued a * Flash Flood Warning for... Northwestern Bay County in the Panhandle of Florida... Central Walton County in the Panhandle of Florida... Southwestern Washington County in the Panhandle of Florida... * Until 1245 PM CDT * At 951 AM CDT, Doppler radar continued to indicate heavy rain across the warned area. Two to three inches of rain have already fallen with an additional one to two inches possible. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Vernon, De Funiak Springs, Eglin Air Force Base, Live Oak, Freeport, Ebro, Hinsons Crossroads, Red Bay, Douglass Crossroad, Greenhead, Rock Hill, Bruce, Red Head, Eucheeanna, Holmes Valley, Millers Ferry, Pine Log, Pleasant Ridge, Knox Hill and Bunker. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3069 8566 3043 8564 3038 8609 3072 8626 $$ 30-PULLIN
1 follow-up statement
575 WGUS72 KTAE 211737 FFSTAE Flash Flood Statement National Weather Service Tallahassee FL 1237 PM CDT WED JUN 21 2017 FLC005-131-133-211746- /O.EXP.KTAE.FF.W.0013.000000T0000Z-170621T1745Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Bay FL-Walton FL-Washington FL- 1237 PM CDT WED JUN 21 2017 ...THE FLASH FLOOD WARNING FOR NORTHWESTERN BAY...CENTRAL WALTON AND SOUTHWESTERN WASHINGTON COUNTIES WILL EXPIRE AT 1245 PM CDT... The heavy rain has ended across the area. Additional light rainfall is not expected to exacerbate existing flooding problems from earlier heavy rain. Please continue to heed any remaining road closures. LAT...LON 3069 8566 3043 8564 3038 8609 3072 8626 $$ 30-PULLIN
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:22 PM CDT | Tornado Warning | TAE | Calhoun, Gulf, Liberty | 27 min |
| Jun 20, 7:29 PM CDT | Tornado Warning | TAE | Bay, Calhoun, Jackson, Washington | 29 min |
| Jun 20, 7:37 PM CDT | Special Marine Warning | TAE | 83 min | |
| Jun 20, 8:41 PM CDT | Tornado Warning | TAE | Bay, Calhoun | 19 min |
| Jun 20, 9:02 PM CDT | Special Marine Warning | TAE | 58 min | |
| Jun 20, 10:00 PM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 20, 11:50 PM CDT | Tornado Warning | TAE | Franklin, Gulf | 23 min |
| Jun 20, 11:55 PM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 21, 12:27 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 21, 2:24 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 21, 4:23 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 21, 6:26 AM CDT | Special Marine Warning | TAE | 94 min | |
| Jun 21, 7:57 AM CDT | Special Marine Warning | TAE | 93 min | |
| Jun 21, 8:57 AM CDT | Flash Flood Warning | TAE | Bay | 3 hr |
| Jun 21, 9:25 AM CDT | Special Marine Warning | TAE | 95 min | |
| Jun 21, 11:28 AM CDT | Flash Flood Warning | TAE | Holmes, Jackson, Washington | 3 hr |
| Jun 21, 12:03 PM CDT | Tornado Warning | TAE | Jackson | 15 min |
Nearby
Flash Flood Warnings in Florida, 2017Every flash flood warning in 2017
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.