Alert archive / Florida / Flash Flood Warnings in 2024
Flash Flood Warning 21, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 18, 2024, 3:53 AM 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
- Jul 18, 2024, 3:53 AM CDT (08:53 UTC)
- Expired
- Jul 18, 2024, 7:00 AM 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), 64 km from the middle of the area, began a volume at 08:54 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 8.9 hours before the alert went out and 301 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
- 22 J/kg
- Mixed-layer CIN
- -314 J/kg
- Mixed-layer LCL
- 1427 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
301
WGUS54 KMOB 180853
FFWMOB
FLC091-181200-
/O.NEW.KMOB.FF.W.0021.240718T0853Z-240718T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
353 AM CDT Thu Jul 18 2024
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southeastern Okaloosa County in northwestern Florida...
* Until 700 AM CDT.
* At 353 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3.5 inches of
rain have fallen with heavy rain continuing to fall. 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...
Wright, Fort Walton Beach, Niceville, Eglin AFB, Valparaiso, Mary
Esther, Lake Lorraine, Ocean City, Shalimar, Cinco Bayou,
Longwood, Eglin Village and Postil.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3046 8667 3053 8658 3055 8651 3054 8643
3051 8644 3046 8649 3043 8655 3039 8660
3039 8669 3042 8671
FLASH FLOOD...RADAR INDICATED
$$2 follow-up statements
578
WGUS74 KMOB 181049
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
549 AM CDT Thu Jul 18 2024
FLC091-181200-
/O.CON.KMOB.FF.W.0021.000000T0000Z-240718T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Okaloosa FL-
549 AM CDT Thu Jul 18 2024
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING
FOR SOUTHEASTERN OKALOOSA COUNTY...
At 549 AM CDT, Rain continues to fall across the warned area.
Between 3 and 4 inches of rain have already fallen this morning,
especially in the Cinco Bayou and Shalimar communities. Flash
flooding is ongoing.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Wright, Fort Walton Beach, Niceville, Eglin AFB, Valparaiso, Mary
Esther, Lake Lorraine, Ocean City, Shalimar, Cinco Bayou,
Longwood, Eglin Village and Postil.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3046 8667 3053 8658 3055 8651 3054 8643
3051 8644 3046 8649 3043 8655 3039 8660
3039 8669 3042 8671
FLASH FLOOD...RADAR INDICATED
$$753
WGUS74 KMOB 181200
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
700 AM CDT Thu Jul 18 2024
FLC091-181210-
/O.EXP.KMOB.FF.W.0021.000000T0000Z-240718T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Okaloosa FL-
700 AM CDT Thu Jul 18 2024
...FLASH FLOOD WARNING WILL EXPIRE AT 7 AM CDT THIS MORNING FOR
SOUTHEASTERN OKALOOSA COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
significant threat.
&&
LAT...LON 3046 8667 3053 8658 3055 8651 3054 8643
3051 8644 3046 8649 3043 8655 3039 8660
3039 8669 3042 8671
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 2:43 AM CDT | Special Weather Statement | MOB | Okaloosa | 47 min |
| Jul 18, 3:32 AM CDT | Areal Flood Advisory | MOB | Okaloosa, Santa Rosa | 3 hr |
| Jul 18, 4:00 AM CDT | Special Weather Statement | MOB | Okaloosa | 45 min |
Nearby
Flash Flood Warnings in Florida, 2024Every flash flood warning in 2024
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.