Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

July 15, 20214 counties in Alabama

NWS Mobile, AL issued this special weather statement at Jul 15, 2021, 5:41 PM CDT for 4 counties in Alabama. It was in force for 94 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: Jul 15, 2021, 5:41 PM CDT (22:41 UTC)
Expired: Jul 15, 2021, 7:15 PM CDT
In force: 94 min
Issued by: NWS Mobile, AL

Counties Butler County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 94 km from the middle of the area, began a volume at 22:41 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, 10.7 hours before the alert went out and 168 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: 1043 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 952 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

114 
WWUS84 KMOB 152241
SPSMOB

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 8662 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 4:33 PM CDT	Special Weather Statement	MOB	Covington	42 min
Jul 15, 4:40 PM CDT	Severe Thunderstorm Warning	MOB	Covington	50 min
Jul 15, 4:48 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Covington, Escambia	42 min
Jul 15, 5:11 PM CDT	Special Weather Statement	MOB	Covington	49 min
Jul 15, 6:42 PM CDT	Special Weather Statement	MOB	Clarke, Conecuh, Monroe	93 min
Jul 15, 3:04 PM CDT	Special Weather Statement	MOB	Okaloosa	41 min
Jul 15, 3:04 PM CDT	Special Weather Statement	MOB	Okaloosa	41 min
Jul 15, 6:49 PM CDT	Special Weather Statement	MOB	Santa Rosa	41 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.