Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

July 15, 2021Clarke County, Wilcox County, Alabama

NWS Mobile, AL issued this special weather statement at Jul 15, 2021, 8:09 PM CDT for Clarke County, Wilcox County, Alabama. It was in force for 66 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, 8:09 PM CDT (01:09 UTC)
Expired: Jul 15, 2021, 9:15 PM CDT
In force: 66 min
Issued by: NWS Mobile, AL

Counties Clarke County, AL, Wilcox County, AL

The radar

The Birmingham radar (KBMX), 136 km from the middle of the area, began a volume at 01:10 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, 1.2 hours before the alert went out and 136 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: 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

Open this sounding in Storm Lab

The text

As transmitted.

159 
WWUS84 KMOB 160109
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
809 PM CDT Thu Jul 15 2021
 
ALZ053>055-160215-
Clarke AL-Wilcox AL-Monroe AL-
809 PM CDT Thu Jul 15 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...NORTH CENTRAL MONROE...NORTHEASTERN CLARKE AND WILCOX
COUNTIES UNTIL 915 PM CDT...

At 807 PM CDT, a line of intense thunderstorms extended from 7 miles 
northeast of Camden to 6 miles northeast of Jackson, and was moving 
northwest 10 to 15 mph.

Wind gusts of 40 to 50 mph will be the main impact with these 
storms. That will be the main impact and these storms have 
experienced an overall weakening trend during the past hour and this 
is expected to continue.

Locations impacted include...
Jackson, Thomasville, Camden, Grove Hill, Whatley, Pine Hill,
Vredenburgh, Fulton and Yellow Bluff.

LAT...LON 3220 8736 3220 8733 3214 8728 3214 8725
      3212 8726 3208 8719 3205 8718 3205 8688
      3197 8686 3196 8691 3194 8691 3150 8789
      3196 8808 3199 8807 3200 8763 3213 8762
      3213 8752 3227 8751 3227 8744
TIME...MOT...LOC 0107Z 115DEG 14KT 3206 8718 3158 8782 

$$

The office that day

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, 8:21 PM CDT	Areal Flood Advisory	MOB	Wilcox	3 hr
Jul 15, 8:36 PM CDT	Flash Flood Warning	MOB	Wilcox	6 hr
Jul 15, 10:24 PM CDT	Areal Flood Advisory	MOB	Choctaw	3 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

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.