Alert archive / Alabama / Special Weather Statements in 2021
Special Weather Statement, NWS Mobile, AL
NWS Mobile, AL issued this special weather statement at Aug 19, 2021, 4:52 PM CDT for Choctaw County, Alabama. It was in force for 53 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 19, 2021, 4:52 PM CDT (21:52 UTC)
- Expired
- Aug 19, 2021, 5:45 PM CDT
- In force
- 53 min
- Issued by
- NWS Mobile, AL
- Hail
- 0.00 in
- Wind
- 40
County Choctaw County, AL
The radar
The Birmingham radar (KBMX), 165 km from the middle of the area, began a volume at 21:55 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, 9.9 hours before the alert went out and 165 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
- 2206 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 517 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
223
WWUS84 KMOB 192152
SPSMOB
Special Weather Statement
National Weather Service Mobile AL
452 PM CDT Thu Aug 19 2021
ALZ051-192245-
Choctaw AL-
452 PM CDT Thu Aug 19 2021
...Strong thunderstorms will impact portions of northern Choctaw
County through 545 PM CDT...
At 451 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles southeast of Coatopa to De Soto.
Movement was east at 15 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...
Butler, Lisman and Pennington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3231 8793 3228 8794 3230 8794 3230 8798
3229 8802 3223 8801 3192 8840 3192 8847
3229 8843 3231 8841
TIME...MOT...LOC 2151Z 260DEG 15KT 3241 8801 3195 8872
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 18, 11:04 PM CDT | Rip Current Statement | MOB | Baldwin, Mobile | 3 days |
| Aug 19, 12:55 PM CDT | Special Weather Statement | MOB | Clarke | 50 min |
| Aug 19, 1:10 PM CDT | Special Weather Statement | MOB | Escambia | 50 min |
| Aug 19, 5:29 PM CDT | Areal Flood Advisory | MOB | Choctaw | 3 hr |
| Aug 19, 6:31 PM CDT | Special Weather Statement | MOB | Butler | 59 min |
| Aug 19, 6:59 PM CDT | Special Weather Statement | MOB | Clarke | 61 min |
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.