Alert archive / Florida / Flash Flood Warnings in 2017
Flash Flood Warning 1, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Jan 2, 2017, 4:43 PM CST for Geneva County, Alabama; Holmes County, Walton County, Florida. It was in force for 6 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
- Jan 2, 2017, 4:43 PM CST (22:43 UTC)
- Expired
- Jan 2, 2017, 10:45 PM CST
- In force
- 6 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Geneva County, AL, Holmes County, FL, Walton County, FL
The radar
The Eglin Afb radar (KEVX), 46 km from the middle of the area, began a volume at 22:47 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, 10.7 hours before the alert went out and 181 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
- 235 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 683 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
The text
As transmitted.
459
WGUS52 KTAE 022243
FFWTAE
ALC061-FLC059-131-030445-
/O.NEW.KTAE.FF.W.0001.170102T2243Z-170103T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
443 PM CST MON JAN 2 2017
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Western Geneva County in southeastern Alabama...
Western Holmes County in the Panhandle of Florida...
Northern Walton County in the Panhandle of Florida...
* Until 1045 PM CST Monday
* At 439 PM CST, Doppler radar indicated thunderstorms producing
heavy rain moving into the the warned area. Significant heavy
rainfall has occurred over the last couple of days, and
additionally heavy rainfall this evening will likely lead to
flash flooding across the warned area.
* Some locations that will experience flooding include...
Geneva, De Funiak Springs, Samson, Eglin Air Force Base, Union,
Liberty, Paxton, Ponce De Leon, Caryville, Westville, Coffee
Springs, Somerset, Barker Store, Baker Settlement, Hickory Hill,
Pleasant Hill, New Hope, Prosperity, Gritney and Sellersville.
Additional rainfall amounts of 3 to 4 inches are expected through 7
pm CST with the storms moving into the region.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
&&
LAT...LON 3099 8639 3100 8619 3119 8619 3119 8613
3118 8612 3119 8611 3120 8577 3079 8579
3078 8583 3071 8584 3069 8587 3059 8639
$$
38-GODSEY1 follow-up statement
758
WGUS72 KTAE 030056
FFSTAE
Flash Flood Statement
National Weather Service Tallahassee FL
656 PM CST MON JAN 2 2017
ALC061-FLC059-131-030445-
/O.CON.KTAE.FF.W.0001.000000T0000Z-170103T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Geneva AL-Holmes FL-Walton FL-
656 PM CST MON JAN 2 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CST FOR
WESTERN GENEVA...WESTERN HOLMES AND NORTHERN WALTON COUNTIES...
At 653 PM CST, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to three inches of rain have already
fallen, especially across Northern Walton County. As another round
of very heavy rainfall moves through the warned area over the next
hour, flash flooding is expected to continue or worsen across the
warned area.
Some locations that will experience flooding include...
Geneva, De Funiak Springs, Samson, Eglin Air Force Base, Union,
Liberty, Paxton, Ponce De Leon, Caryville, Westville, Coffee Springs,
Somerset, Barker Store, Baker Settlement, Hickory Hill, Pleasant
Hill, New Hope, Prosperity, Gritney and Sellersville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
&&
LAT...LON 3099 8639 3100 8619 3119 8619 3119 8613
3118 8612 3119 8611 3120 8577 3079 8579
3078 8583 3071 8584 3069 8587 3059 8639
$$
38-GODSEYThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 6:23 PM CST | Areal Flood Advisory | TAE | Coffee | 112 min |
| Jan 1, 7:17 PM CST | River Flood Warning | TAE | Geneva | 5 days |
| Jan 1, 9:29 PM CST | Areal Flood Advisory | TAE | Coffee | 2 hr |
| Jan 1, 10:09 PM CST | Areal Flood Advisory | TAE | Houston | 2 hr |
| Jan 1, 10:33 PM CST | Areal Flood Advisory | TAE | Henry | 117 min |
| Jan 1, 10:34 PM CST | Areal Flood Advisory | TAE | Geneva | 3 hr |
| Jan 1, 11:26 PM CST | Areal Flood Advisory | TAE | Coffee, Dale, Geneva, Houston | 2 hr |
| Jan 2, 12:40 AM CST | Flash Flood Watch | TAE | Coffee, Dale, Geneva, Henry, Houston | 25 hr |
| Jan 2, 1:00 AM CST | Areal Flood Advisory | TAE | Dale, Henry | 2 hr |
| Jan 2, 2:15 PM CST | Special Weather Statement | TAE | Coffee | 45 min |
| Jan 2, 2:55 AM CST | Rip Current Statement | TAE | Bay, Franklin, Gulf, Walton | 49 hr |
| Jan 2, 1:45 PM CST | Special Marine Warning | TAE | 45 min | |
| Jan 2, 2:25 PM CST | Special Marine Warning | TAE | 35 min | |
| Jan 2, 4:03 PM CST | Special Marine Warning | TAE | 57 min |
Nearby
Flash Flood Warnings in Florida, 2017Flash Flood Warnings in Alabama, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.