Alert archive / Alabama / Flash Flood Warnings in 2021
Flash Flood Warning 60, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Aug 30, 2021, 3:24 AM CDT for George County, Greene County, Perry County, Mississippi; 4 counties in Alabama. It was in force for 6 hr. 2 reports 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
- Aug 30, 2021, 3:24 AM CDT (08:24 UTC)
- Expired
- Aug 30, 2021, 9:20 AM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baldwin County, AL, Clarke County, AL, Mobile County, AL, Washington County, AL, George County, MS, Greene County, MS, Perry County, MS
The radar
The Mobile radar (KMOB), 38 km from the middle of the area, began a volume at 08:26 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 |
|---|---|---|---|
| Aug 30, 9:00 AM CDT | FLASH FLOOD | 2 Se Basin, MS | VIDEO OF FLASH FLOODING RELAYED VIA SOCIAL MEDIA. WATER COMPLETELY COVERING ELLIS HODGE ROAD. TIME ESTIMATED. |
| Aug 30, 9:00 AM CDT | FLASH FLOOD | 4 Ne Rosinton, AL | FLAT ROCK CREEK CUT THROUGH RIVER ROAD CREATING A WASHOUT 8 TO 10 FEET DEEP. |
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, 8.4 hours before the alert went out and 186 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
- 25 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
027
WGUS54 KMOB 300824
FFWMOB
ALC003-025-097-129-MSC039-041-111-301430-
/O.NEW.KMOB.FF.W.0060.210830T0824Z-210830T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
324 AM CDT Mon Aug 30 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Baldwin County in southwestern Alabama...
Southwestern Clarke County in southwestern Alabama...
Mobile County in southwestern Alabama...
Southern Washington County in southwestern Alabama...
George County in southeastern Mississippi...
Greene County in southeastern Mississippi...
Southeastern Perry County in southeastern Mississippi...
* Until 930 AM CDT Monday.
* At 324 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...
Midtown Mobile, Downtown Mobile, Prichard, Daphne, Tillmans
Corner, Fairhope, Saraland, Gulf Shores, Bay Minette, Foley,
Theodore, Chickasaw, Satsuma, Orange Beach, Spanish Fort, Grand
Bay, Robertsdale, Citronelle, Lucedale and Bayou La Batre.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3143 8897 3145 8775 3134 8772 3136 8776
3131 8778 3130 8771 3093 8761 3087 8763
3080 8757 3032 8745 3032 8750 3031 8743
3028 8753 3028 8755 3025 8742 3020 8748
3016 8837 3074 8841 3073 8871
FLASH FLOOD...RADAR INDICATED
$$2 follow-up statements
770
WGUS74 KMOB 301157
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
657 AM CDT Mon Aug 30 2021
ALC003-025-097-129-MSC039-041-111-301430-
/O.CON.KMOB.FF.W.0060.000000T0000Z-210830T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baldwin AL-Clarke AL-Mobile AL-Washington AL-George MS-Greene MS-
Perry MS-
657 AM CDT Mon Aug 30 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM CDT THIS
MORNING FOR BALDWIN, SOUTHWESTERN CLARKE, MOBILE, SOUTHERN
WASHINGTON, GEORGE, GREENE AND SOUTHEASTERN PERRY COUNTIES...
At 657 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Midtown Mobile, Downtown Mobile, Prichard, Daphne, Tillmans
Corner, Fairhope, Saraland, Gulf Shores, Bay Minette, Foley,
Theodore, Chickasaw, Satsuma, Orange Beach, Spanish Fort, Grand
Bay, Robertsdale, Citronelle, Lucedale and Bayou La Batre.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3143 8897 3145 8775 3134 8772 3136 8776
3131 8778 3130 8771 3093 8761 3087 8763
3080 8757 3032 8745 3032 8750 3031 8743
3028 8753 3028 8755 3025 8742 3020 8748
3016 8837 3074 8841 3073 8871
FLASH FLOOD...RADAR INDICATED
$$235
WGUS74 KMOB 301420
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
920 AM CDT Mon Aug 30 2021
ALC003-025-097-129-MSC039-041-111-301430-
/O.CAN.KMOB.FF.W.0060.000000T0000Z-210830T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baldwin AL-Clarke AL-Mobile AL-Washington AL-George MS-Greene MS-
Perry MS-
920 AM CDT Mon Aug 30 2021
...FLASH FLOOD WARNING FOR BALDWIN, SOUTHWESTERN CLARKE, MOBILE,
SOUTHERN WASHINGTON, GEORGE, GREENE AND SOUTHEASTERN PERRY COUNTIES
HAS BEEN REPLACED WITH A FLOOD WARNING...
LAT...LON 3143 8897 3145 8775 3134 8772 3136 8776
3131 8778 3130 8771 3093 8761 3087 8763
3080 8757 3032 8745 3032 8750 3031 8743
3028 8753 3028 8755 3025 8742 3020 8748
3016 8837 3074 8841 3073 8871
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:07 PM CDT | Tornado Warning | MOB | George | 25 min |
| Aug 29, 11:30 PM CDT | Flash Flood Warning | MOB | Stone | 6 hr |
| Aug 30, 12:29 AM CDT | Flash Flood Warning | MOB | George, Perry, Stone | 6 hr |
| Aug 30, 3:39 AM CDT | Tornado Warning | MOB | George, Greene, Perry | 20 min |
| Aug 30, 6:05 AM CDT | Flash Flood Warning | MOB | Stone | 4 hr |
| Aug 30, 6:20 AM CDT | Flash Flood Warning | MOB | George, Greene, Perry, Stone | 5 hr |
| Aug 30, 9:20 AM CDT | Areal Flood Warning | MOB | George, Greene, Perry | 8 hr |
| Aug 30, 2:32 PM CDT | Tornado Warning | MOB | Wayne | 21 min |
| Aug 30, 5:19 PM CDT | Areal Flood Warning | MOB | George | 14 hr |
| Aug 30, 6:28 PM CDT | Special Weather Statement | MOB | George | 47 min |
| Aug 29, 8:19 PM CDT | River Flood Warning | MOB | Escambia | 49 hr |
| Aug 29, 8:21 PM CDT | River Flood Warning | MOB | Covington, Escambia | 38 hr |
| Aug 29, 8:35 PM CDT | River Flood Warning | MOB | Baldwin | 30 hr |
| Aug 29, 11:27 PM CDT | Special Marine Warning | MOB | 93 min | |
| Aug 30, 12:13 AM CDT | Special Marine Warning | MOB | 47 min | |
| Aug 30, 12:59 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Aug 30, 4:03 AM CDT | Special Marine Warning | MOB | 117 min | |
| Aug 30, 6:42 AM CDT | Flash Flood Warning | MOB | Baldwin, Escambia | 5 hr |
| Aug 30, 6:46 AM CDT | Special Marine Warning | MOB | 119 min | |
| Aug 30, 8:29 AM CDT | Flash Flood Warning | MOB | Conecuh, Escambia, Monroe | 4 hr |
| Aug 30, 8:32 AM CDT | Flash Flood Warning | MOB | Escambia | 4 hr |
| Aug 30, 8:40 AM CDT | Tornado Warning | MOB | Conecuh, Escambia | 50 min |
| Aug 30, 9:00 AM CDT | Flash Flood Warning | MOB | Clarke, Conecuh, Escambia, Monroe, Wilcox | 4 hr |
| Aug 30, 9:12 AM CDT | Flash Flood Warning | MOB | Conecuh, Escambia | 4 hr |
| Aug 30, 10:26 AM CDT | Flash Flood Warning | MOB | Mobile | 6 hr |
| Aug 30, 10:51 AM CDT | Special Marine Warning | MOB | 54 min | |
| Aug 30, 10:55 AM CDT | Tornado Warning | MOB | Mobile, Washington | 25 min |
| Aug 30, 11:47 AM CDT | Flash Flood Warning | MOB | Clarke, Washington | 5 hr |
| Aug 30, 11:57 AM CDT | Flash Flood Warning | MOB | Baldwin, Clarke, Mobile, Washington | 5 hr |
| Aug 30, 12:03 PM CDT | Flash Flood Warning | MOB | Escambia | 75 min |
| Aug 30, 12:23 PM CDT | Tornado Warning | MOB | Baldwin, Mobile | 21 min |
| Aug 30, 12:30 PM CDT | Tornado Warning | MOB | Baldwin, Clarke, Mobile, Washington | 45 min |
| Aug 30, 1:08 PM CDT | Tornado Warning | MOB | Clarke | 52 min |
| Aug 30, 1:39 PM CDT | Tornado Warning | MOB | Clarke, Wilcox | 39 min |
| Aug 30, 3:57 PM CDT | Special Marine Warning | MOB | 48 min | |
| Aug 30, 4:11 PM CDT | Coastal Flood Warning | MOB | Baldwin, Mobile | 14 hr |
| Aug 30, 4:18 PM CDT | Special Marine Warning | MOB | 87 min | |
| Aug 30, 4:20 PM CDT | Special Marine Warning | MOB | 85 min | |
| Aug 30, 5:05 PM CDT | Special Weather Statement | MOB | Covington | 55 min |
| Aug 30, 5:29 PM CDT | Special Marine Warning | MOB | 91 min | |
| Aug 30, 6:46 PM CDT | Special Marine Warning | MOB | 89 min |
Nearby
Flash Flood Warnings in Alabama, 2021Flash Flood Warnings in Mississippi, 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.