Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 101, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Oct 6, 2021, 3:00 AM CDT for Okaloosa 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
- Oct 6, 2021, 3:00 AM CDT (08:00 UTC)
- Expired
- Oct 6, 2021, 9:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 71 km from the middle of the area, began a volume at 08:00 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 00:00Z, 8.0 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
- 293 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted.
486
WGUS54 KMOB 060800
FFWMOB
FLC091-061400-
/O.NEW.KMOB.FF.W.0101.211006T0800Z-211006T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
300 AM CDT Wed Oct 6 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southwestern Okaloosa County in northwestern Florida...
* Until 900 AM CDT.
* At 300 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain will spread 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...
Wright, Crestview, Ocean City, Galliver, Milligan and Longwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3078 8670 3079 8653 3047 8657 3044 8661
3043 8674 3050 8674 3059 8673
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 8:53 PM CDT | River Flood Warning | MOB | Escambia | 6 days |
| Oct 5, 11:01 PM CDT | Areal Flood Warning | MOB | Escambia, Santa Rosa | 12 hr |
| Oct 6, 12:12 AM CDT | Areal Flood Advisory | MOB | Okaloosa | 4 hr |
| Oct 6, 1:21 AM CDT | Areal Flood Advisory | MOB | Santa Rosa | 3 hr |
| Oct 6, 2:23 AM CDT | Special Weather Statement | MOB | Okaloosa | 52 min |
| Oct 6, 3:46 AM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 6 hr |
| Oct 6, 4:31 AM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 6 hr |
| Oct 6, 4:52 AM CDT | Special Weather Statement | MOB | Okaloosa | 38 min |
| Oct 6, 5:19 AM CDT | Flash Flood Warning | MOB | Okaloosa | 6 hr |
| Oct 6, 10:00 AM CDT | River Flood Warning | MOB | Okaloosa, Santa Rosa | 46 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.