Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 38, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 5, 2021, 9:36 AM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 5 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 5, 2021, 9:36 AM CDT (14:36 UTC)
- Expired
- Jul 5, 2021, 2:43 PM CDT
- In force
- 5 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 72 km from the middle of the area, began a volume at 14:36 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, 2.6 hours before the alert went out and 228 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
- 867 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
111
WGUS54 KMOB 051436
FFWMOB
FLC091-113-052045-
/O.NEW.KMOB.FF.W.0038.210705T1436Z-210705T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
936 AM CDT Mon Jul 5 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Central Okaloosa County in northwestern Florida...
East Central Santa Rosa County in northwestern Florida...
* Until 345 PM CDT Monday.
* At 936 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 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...
Crestview, Baker, Laurel Hill, Galliver, Milligan, Holt, Nubbin
Ridge, Kellys Mill, Cannon Town, Silver Springs, Auburn, Clear
Springs, Garden City, Floridale, Blackman, Peaden, Campton,
Parkerville, Munson and Harold.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3052 8690 3082 8701 3099 8644 3098 8645
3085 8639 3068 8639
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
803
WGUS74 KMOB 051943
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
243 PM CDT Mon Jul 5 2021
FLC091-113-051953-
/O.CAN.KMOB.FF.W.0038.000000T0000Z-210705T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Okaloosa FL-Santa Rosa FL-
243 PM CDT Mon Jul 5 2021
...THE FLASH FLOOD WARNING FOR CENTRAL OKALOOSA AND EAST CENTRAL
SANTA ROSA COUNTIES IS CANCELLED...
The heavy rain has ended. Flood waters have receded. Flash flooding
is no longer expected to pose a threat, although ponding of water on
roadways may still be present.
LAT...LON 3052 8690 3082 8701 3099 8644 3098 8645
3085 8639 3068 8639
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:35 AM CDT | Areal Flood Advisory | MOB | Okaloosa, Santa Rosa | 3 hr |
| Jul 5, 11:12 AM CDT | Areal Flood Advisory | MOB | Escambia, Santa Rosa | 3 hr |
| Jul 5, 12:32 PM CDT | Areal Flood Advisory | MOB | Escambia | 3 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.