Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 10, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Apr 10, 2021, 5:40 AM CDT for Escambia County, Santa Rosa County, Florida; Baldwin County, Alabama. It was in force for 6 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 10, 2021, 5:40 AM CDT (10:40 UTC)
- Expired
- Apr 10, 2021, 11:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baldwin County, AL, Escambia County, FL, Santa Rosa County, FL
The radar
The Mobile radar (KMOB), 76 km from the middle of the area, began a volume at 10:40 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 10, 7:30 AM CDT | FLASH FLOOD | 1 Ene Oriole Beach, FL | VIDEO AND PHOTOS OF FLOODING IN GULF BREEZE. REPORTS OF WATER NEARLY 3 FEET DEEP ALONG MAPLEWOOD DR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 10.7 hours before the alert went out and 217 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
- 2977 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 599 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 243 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 18.1
The text
As transmitted.
428
WGUS54 KMOB 101040
FFWMOB
ALC003-FLC033-113-101645-
/O.NEW.KMOB.FF.W.0010.210410T1040Z-210410T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
540 AM CDT Sat Apr 10 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southeastern Baldwin County in southwestern Alabama...
Southern Escambia County in northwestern Florida...
Santa Rosa County in northwestern Florida...
* Until 1145 AM CDT Saturday.
* At 540 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Additional rainfall amounts of 2 to 3 inches are
possible in 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...
Pensacola, Ferry Pass, Brent, West Pensacola, Ensley, Warrington,
Fairhope, Gonzalez, Gulf Shores, Foley, Pace, Milton, Gulf Breeze,
Orange Beach, Goulding, Robertsdale, Point Clear, Bagdad, Loxley
and Lillian.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3059 8792 3059 8791 3073 8751 3099 8679
3041 8682 3032 8683 3018 8800
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
910
WGUS74 KMOB 101359
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
859 AM CDT Sat Apr 10 2021
ALC003-FLC033-113-101645-
/O.CON.KMOB.FF.W.0010.000000T0000Z-210410T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baldwin AL-Escambia FL-Santa Rosa FL-
859 AM CDT Sat Apr 10 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT THIS
MORNING FOR SOUTHEASTERN BALDWIN, SOUTHERN ESCAMBIA AND SANTA ROSA
COUNTIES...
At 859 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 4 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Pensacola, Ferry Pass, Brent, West Pensacola, Ensley, Warrington,
Fairhope, Gonzalez, Gulf Shores, Foley, Pace, Milton, Gulf Breeze,
Orange Beach, Goulding, Robertsdale, Point Clear, Bagdad, Loxley
and Lillian.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3059 8792 3059 8791 3073 8751 3099 8679
3041 8682 3032 8683 3018 8800
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 2:50 AM CDT | Severe Thunderstorm Warning | MOB | Escambia | 55 min |
| Apr 10, 2:59 AM CDT | Severe Thunderstorm Warning | MOB | Escambia | 61 min |
| Apr 10, 3:46 AM CDT | Special Weather Statement | MOB | Escambia, Santa Rosa | 44 min |
| Apr 10, 3:53 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 67 min |
| Apr 10, 4:07 AM CDT | Areal Flood Advisory | MOB | Escambia | 3 hr |
| Apr 10, 4:30 AM CDT | Special Weather Statement | MOB | Okaloosa | 45 min |
| Apr 10, 4:53 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Okaloosa, Santa Rosa | 52 min |
| Apr 10, 5:10 AM CDT | Areal Flood Advisory | MOB | Escambia, Santa Rosa | 3 hr |
| Apr 10, 5:44 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Okaloosa, Santa Rosa | 61 min |
| Apr 10, 5:57 AM CDT | Tornado Warning | MOB | Okaloosa | 33 min |
| Apr 10, 6:18 AM CDT | Tornado Warning | MOB | Okaloosa | 12 min |
| Apr 10, 6:20 AM CDT | Severe Thunderstorm Warning | MOB | Escambia | 40 min |
| Apr 10, 6:52 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Okaloosa, Santa Rosa | 53 min |
| Apr 10, 7:35 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 41 min |
| Apr 10, 7:39 AM CDT | Flash Flood Warning | MOB | Okaloosa | 5 hr |
| Apr 10, 9:38 AM CDT | River Flood Warning | MOB | Okaloosa | 11 hr |
| Apr 9, 9:31 PM CDT | River Flood Warning | MOB | Mobile | 63 hr |
| Apr 10, 1:06 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 54 min |
| Apr 10, 1:15 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Washington | 45 min |
| Apr 10, 1:33 AM CDT | Special Marine Warning | MOB | 87 min | |
| Apr 10, 1:58 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington, Wilcox | 62 min |
| Apr 10, 2:22 AM CDT | Special Weather Statement | MOB | Mobile | 68 min |
| Apr 10, 2:35 AM CDT | Severe Thunderstorm Warning | MOB | Mobile | 25 min |
| Apr 10, 2:43 AM CDT | Severe Thunderstorm Warning | MOB | Mobile | 17 min |
| Apr 10, 3:36 AM CDT | Special Marine Warning | MOB | 114 min | |
| Apr 10, 4:33 AM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia | 57 min |
| Apr 10, 5:28 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Apr 10, 5:53 AM CDT | Flash Flood Warning | MOB | Mobile | 6 hr |
| Apr 10, 6:04 AM CDT | Special Marine Warning | MOB | 86 min | |
| Apr 10, 6:48 AM CDT | Special Marine Warning | MOB | 87 min | |
| Apr 10, 7:12 AM CDT | Special Marine Warning | MOB | 63 min | |
| Apr 10, 7:30 AM CDT | Special Marine Warning | MOB | 90 min | |
| Apr 10, 9:28 AM CDT | River Flood Warning | MOB | Baldwin | 11 hr |
| Apr 10, 9:33 AM CDT | River Flood Warning | MOB | Baldwin | 5 hr |
Nearby
Flash Flood Warnings in Florida, 2021Flash Flood Warnings in Alabama, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.