Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

August 22, 2021Washington County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 22, 2021, 10:12 PM CDT for Washington County, Alabama. It was in force for 48 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, 10:12 PM CDT (03:12 UTC)
Expired: Aug 22, 2021, 11:00 PM CDT
In force: 48 min
Issued by: NWS Mobile, AL
Hail: 0.00 in
Wind: 50

County Washington County, AL

The radar

The Mobile radar (KMOB), 47 km from the middle of the area, began a volume at 03:13 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.2 hours before the alert went out and 178 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 486 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1652 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

024 
WWUS84 KMOB 230312
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
1012 PM CDT Sun Aug 22 2021
 
ALZ052-261-MSZ076-079-230400-
Washington AL-Mobile Inland AL-Greene MS-George MS-
1012 PM CDT Sun Aug 22 2021

...Strong thunderstorms will impact portions of northern Mobile,
southwestern Washington, northeastern George and southeastern Greene
Counties through 1100 PM CDT...

At 1012 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles south of Tibbie to 4 miles east of
Leakesville. Movement was southeast at 15 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Citronelle, Leakesville, Gulfcrest, Deer Park, Mount Vernon, Calvert
and Movico.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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 3120 8860 3135 8817 3110 8796 3109 8797
      3107 8796 3107 8794 3106 8794 3105 8791
      3105 8794 3103 8796 3102 8795 3081 8850
TIME...MOT...LOC 0312Z 334DEG 14KT 3128 8822 3118 8849 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

MM

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 22, 9:46 PM CDT	Heat Advisory	MOB	Baldwin, Mobile	20 hr
Aug 22, 10:57 PM CDT	Special Weather Statement	MOB	Mobile	48 min
Aug 22, 11:26 PM CDT	Special Weather Statement	MOB	Mobile	64 min
Aug 22, 11:29 PM CDT	Special Marine Warning	MOB		61 min
Aug 22, 11:46 PM CDT	Special Weather Statement	MOB	Baldwin, Escambia	59 min
Aug 23, 1:03 AM CDT	Special Marine Warning	MOB		57 min
Aug 23, 1:11 AM CDT	Special Weather Statement	MOB	Baldwin	34 min
Aug 23, 1:52 AM CDT	Special Marine Warning	MOB		98 min
Aug 23, 2:10 AM CDT	Special Marine Warning	MOB		48 min
Aug 23, 2:51 AM CDT	Special Marine Warning	MOB		84 min
Aug 23, 4:13 AM CDT	Special Marine Warning	MOB		92 min
Aug 23, 5:47 AM CDT	Special Marine Warning	MOB		88 min
Aug 23, 6:58 AM CDT	Special Marine Warning	MOB		92 min
Aug 23, 8:30 AM CDT	Special Marine Warning	MOB		45 min
Aug 23, 4:11 PM CDT	Special Weather Statement	MOB	Mobile	49 min
Aug 23, 4:40 PM CDT	Special Marine Warning	MOB		95 min
Aug 23, 4:58 PM CDT	Special Marine Warning	MOB		77 min
Aug 23, 5:25 PM CDT	Special Marine Warning	MOB		46 min
Aug 23, 5:29 PM CDT	Special Marine Warning	MOB		61 min
Aug 23, 2:07 AM CDT	Special Weather Statement	MOB	Escambia	23 min
Aug 23, 4:20 PM CDT	Areal Flood Advisory	MOB	Okaloosa	2 hr
Aug 23, 4:24 PM CDT	Special Weather Statement	MOB	Okaloosa	51 min

Nearby

Special Weather Statements in Alabama, 2021 Every 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.