Alert archive / Alabama / Special Weather Statements in 2021
Special Weather Statement, NWS Mobile, AL
NWS Mobile, AL issued this special weather statement at Aug 22, 2021, 6:39 PM CDT for Crenshaw County, Alabama. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 22, 2021, 6:39 PM CDT (23:39 UTC)
- Expired
- Aug 22, 2021, 7:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Mobile, AL
- Hail
- 0.00 in
- Wind
- 40
County Crenshaw County, AL
The radar
The Ft Rucker radar (KEOX), 72 km from the middle of the area, began a volume at 23:41 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 12:00Z, 11.7 hours before the alert went out and 192 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
- 831 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
856
WWUS84 KMOB 222339
SPSMOB
Special Weather Statement
National Weather Service Mobile AL
639 PM CDT Sun Aug 22 2021
ALZ058-060-230015-
Covington AL-Crenshaw AL-
639 PM CDT Sun Aug 22 2021
...A strong thunderstorm will impact portions of southeastern
Crenshaw and northeastern Covington Counties through 715 PM CDT...
At 639 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles south of Brantley, or 11 miles northwest of Elba, moving
southeast at 25 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Brantley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
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 3154 8616 3153 8616 3153 8620 3133 8620
3155 8642 3162 8628 3154 8614
TIME...MOT...LOC 2339Z 314DEG 20KT 3152 8624
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
MMThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 7:25 PM CDT | Special Weather Statement | MOB | Escambia | 50 min |
| Aug 22, 6:01 AM CDT | Rip Current Statement | MOB | Baldwin, Mobile | 12 hr |
| Aug 22, 5:09 PM CDT | Special Weather Statement | MOB | Wilcox | 36 min |
| Aug 22, 5:40 PM CDT | Areal Flood Advisory | MOB | Choctaw, Clarke | 106 min |
| Aug 22, 6:01 PM CDT | Special Weather Statement | MOB | Clarke | 44 min |
| Aug 21, 8:24 PM CDT | Areal Flood Advisory | MOB | Okaloosa | 3 hr |
Nearby
Special Weather Statements in Alabama, 2021Every special weather statement 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.