Alert archive / Florida / Flash Flood Warnings in 2017
Flash Flood Warning 10, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Apr 5, 2017, 1:55 PM CDT for Okaloosa County, Florida. It was in force for 3 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
- Apr 5, 2017, 1:55 PM CDT (18:55 UTC)
- Expired
- Apr 5, 2017, 5:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 60 km from the middle of the area, began a volume at 18:57 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, 6.9 hours before the alert went out and 214 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
- 1335 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 643 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 8.2
The text
As transmitted.
700
WGUS54 KMOB 051855
FFWMOB
FLC091-052200-
/O.NEW.KMOB.FF.W.0010.170405T1855Z-170405T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
155 PM CDT WED APR 5 2017
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southern Okaloosa County in northwestern Florida...
* Until 500 PM CDT
* At 155 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Wright, Fort Walton Beach, Niceville, Destin, Eglin AFB,
Valparaiso, Mary Esther, Ocean City, Lake Lorraine, Shalimar and
Cinco Bayou.
LAT...LON 3037 8679 3057 8679 3060 8639 3046 8639
3046 8638 3039 8638 3040 8639 3038 8640
3038 8650 3039 8653 3039 8665
$$1 follow-up statement
464
WGUS74 KMOB 052013
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
313 PM CDT WED APR 5 2017
FLC091-052023-
/O.CAN.KMOB.FF.W.0010.000000T0000Z-170405T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Okaloosa FL-
313 PM CDT WED APR 5 2017
...THE FLASH FLOOD WARNING FOR SOUTHERN OKALOOSA COUNTY IS
CANCELLED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3037 8679 3057 8679 3060 8639 3046 8639
3046 8638 3039 8638 3040 8639 3038 8640
3038 8650 3039 8653 3039 8665
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 11:00 PM CDT | Special Weather Statement | MOB | Okaloosa | 45 min |
| Apr 4, 11:06 PM CDT | Special Weather Statement | MOB | Okaloosa | 39 min |
| Apr 4, 11:40 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 50 min |
| Apr 5, 12:47 AM CDT | Severe Thunderstorm Warning | MOB | Escambia | 43 min |
| Apr 5, 11:38 AM CDT | Special Weather Statement | MOB | Escambia | 52 min |
| Apr 5, 12:16 PM CDT | Special Weather Statement | MOB | Santa Rosa | 44 min |
| Apr 5, 12:48 PM CDT | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
| Apr 5, 12:50 PM CDT | Special Weather Statement | MOB | Escambia, Okaloosa, Santa Rosa | 55 min |
| Apr 5, 1:44 PM CDT | Special Weather Statement | MOB | Okaloosa | 46 min |
| Apr 5, 1:54 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 36 min |
| Apr 5, 2:06 PM CDT | Wind Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 23 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.