Alert archive / Alabama / Areal Flood Advisories in 2021
Areal Flood Advisory 123, NWS Mobile, AL
NWS Mobile, AL issued this areal flood advisory at Jul 15, 2021, 10:24 PM CDT for Choctaw County, Alabama. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 15, 2021, 10:24 PM CDT (03:24 UTC)
- Expired
- Jul 16, 2021, 1:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 149 km from the middle of the area, began a volume at 03:27 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
Birmingham, AL (KBMX), launched 00:00Z, 3.4 hours before the alert went out and 190 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
- 1139 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1445 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this areal flood advisory went out at Jul 15, 10:19 PM CDT, 5 minutes earlier.
Area forecast discussion, Jul 15, 10:19 PM CDT, 5 minutes before
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Special weather statement, Jul 15, 4:33 PM CDT, 5 hours 51 minutes before
Special Weather Statement
National Weather Service Mobile AL
433 PM CDT Thu Jul 15 2021
ALZ060-FLZ205-152215-
Covington AL-Okaloosa Inland FL-
433 PM CDT Thu Jul 15 2021
...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN COVINGTON AND NORTH CENTRAL OKALOOSA COUNTIES UNTIL 515
PM CDT...
At 432 PM CDT, the strong thunderstorm was located 7 miles west of
Laurel Hill, or 15 miles west of Florala. This storm was
moving northeast at around 10 mph.
Wind gusts of 30 to 40 mph will be possible with this storm.
Locations impacted include...
Laurel Hill.
LAT...LON 3104 8634 3091 8655 3098 8672 3100 8670
3100 8669 3101 8670 3120 8657
TIME...MOT...LOC 2132Z 232DEG 3KT 3099 8659Special weather statement, Jul 15, 5:11 PM CDT, 5 hours 13 minutes before
Special Weather Statement National Weather Service Mobile AL 511 PM CDT Thu Jul 15 2021 ALZ060-152300- Covington AL- 511 PM CDT Thu Jul 15 2021 ...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES... SOUTHEASTERN COVINGTON COUNTY UNTIL 600 PM CDT... At 511 PM CDT, the strong thunderstorm was located 6 miles east of Florala. This storm was nearly stationary but was slightly building to the northwest. Dime size hail and wind gusts of 45 to 55 mph will be possible with this storm. Locations impacted include... Florala and Lockhart. LAT...LON 3100 8655 3127 8629 3117 8619 3100 8619 TIME...MOT...LOC 2211Z 125DEG 3KT 3102 8621
Special weather statement, Jul 15, 5:41 PM CDT, 4 hours 43 minutes before
Special Weather Statement
National Weather Service Mobile AL
541 PM CDT Thu Jul 15 2021
ALZ055>058-060-160015-
Monroe AL-Conecuh AL-Butler AL-Covington AL-Crenshaw AL-
541 PM CDT Thu Jul 15 2021
...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
BUTLER...NORTHEASTERN MONROE...CRENSHAW...CONECUH AND NORTHERN
COVINGTON COUNTIES UNTIL 715 PM CDT...
At 539 PM CDT, a strong thunderstorm was located 7 miles east of
Georgiana, or 11 miles south of Greenville, moving north at 10 mph.
Other intense thunderstorms in this statement area of south Central
Alabama will develop during the next 90 minutes ahead of an outflow
boundary moving gradually northward. each separate cell will have a
slow northward drift less than 10 mph.
Wind gusts of 45 to 55 mph will be possible with this storm.
Locations impacted include...
Andalusia, Greenville, Opp, Evergreen, Luverne, Georgiana, Brantley,
McKenzie, River Falls, Castleberry, Red Level, Rutledge, Dozier,
Repton, Heath, Gantt, Glenwood, Petrey, I65 And US 84 and Highland
Home.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3153 8620 3113 8619 3127 8659 3128 8738
3183 8693 3183 8691 3196 8682 3196 8641
3205 8641 3205 8632 3197 8630 3196 8619
3179 8620 3179 8615 3166 8615 3162 8618
3162 8615 3154 8615
TIME...MOT...LOC 2239Z 187DEG 8KT 3167 8662Special weather statement, Jul 15, 6:42 PM CDT, 3 hours 42 minutes before
Special Weather Statement
National Weather Service Mobile AL
642 PM CDT Thu Jul 15 2021
ALZ053>057-262-160115-
Clarke AL-Wilcox AL-Baldwin Inland AL-Monroe AL-Conecuh AL-Butler AL-
642 PM CDT Thu Jul 15 2021
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...WESTERN BUTLER...MONROE...NORTH CENTRAL BALDWIN...
SOUTHEASTERN CLARKE...SOUTHEASTERN WILCOX AND CENTRAL CONECUH
COUNTIES UNTIL 815 PM CDT...
At 640 PM CDT, the strong thunderstorms were located along a line
extending from 10 miles north of Evergreen to near Repton to 9 miles
west of McCullough, and moving northwest at 10 mph.
The main impacts will be up to half inch hail and wind gusts of 40
to 50 mph within the statement area which now will affect portions
of interior southwest Alabama, mainly along and just northwest of
the I-65 Corridor during through 815 PM CDT.
Locations impacted include...
Monroeville, Jackson, Evergreen, Frisco City, Grove Hill, Peterman,
Georgiana, Uriah, Whatley, McKenzie, Excel, Beatrice, Vredenburgh,
Repton, Pine Apple and I65 And US 84.
LAT...LON 3152 8668 3126 8744 3126 8748 3123 8755
3124 8762 3120 8762 3115 8775 3165 8797
3205 8694 3205 8691
TIME...MOT...LOC 2340Z 129DEG 8KT 3158 8695 3138 8727 3120 8767Special weather statement, Jul 15, 6:49 PM CDT, 3 hours 35 minutes before
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Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:12 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Monroe | 48 min |
| Jul 15, 7:19 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 41 min |
| Jul 15, 7:27 PM CDT | Areal Flood Advisory | MOB | Conecuh, Escambia, Monroe | 3 hr |
| Jul 15, 8:09 PM CDT | Special Weather Statement | MOB | Clarke, Wilcox | 66 min |
| Jul 15, 8:21 PM CDT | Areal Flood Advisory | MOB | Wilcox | 3 hr |
| Jul 15, 8:36 PM CDT | Flash Flood Warning | MOB | Wilcox | 6 hr |
| Jul 15, 11:26 PM CDT | Areal Flood Advisory | MOB | Choctaw, Washington | 3 hr |
| Jul 16, 10:17 AM CDT | Areal Flood Advisory | MOB | Baldwin | 4 hr |
| Jul 16, 10:54 AM CDT | Flash Flood Warning | MOB | Baldwin | 6 hr |
| Jul 16, 12:01 PM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Jul 16, 12:23 PM CDT | Flash Flood Warning | MOB | Baldwin | 3 hr |
| Jul 16, 1:41 PM CDT | Special Marine Warning | MOB | 64 min | |
| Jul 16, 3:04 PM CDT | Areal Flood Advisory | MOB | Clarke, Wilcox | 3 hr |
| Jul 16, 11:44 AM CDT | Areal Flood Advisory | MOB | Escambia | 3 hr |
| Jul 16, 11:29 AM CDT | Special Weather Statement | MOB | George | 46 min |
| Jul 16, 12:26 PM CDT | Areal Flood Advisory | MOB | George | 3 hr |
Nearby
Areal Flood Advisories in Alabama, 2021Every areal flood advisory 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.