Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

March 17, 2021Butler County, Monroe County, Wilcox County, Alabama

NWS Mobile, AL issued this special weather statement at Mar 17, 2021, 9:15 PM CDT for Butler County, Monroe County, Wilcox County, Alabama. It was in force for 45 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: Mar 17, 2021, 9:15 PM CDT (02:15 UTC)
Expired: Mar 17, 2021, 10:00 PM CDT
In force: 45 min
Issued by: NWS Mobile, AL

Counties Butler County, AL, Monroe County, AL, Wilcox County, AL

The radar

The Birmingham radar (KBMX), 136 km from the middle of the area, began a volume at 02:16 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, 2.3 hours before the alert went out and 137 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: 188 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 669 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 336 m²/s²
0-3 km storm-relative helicity: 465 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

162 
WWUS84 KMOB 180215
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
915 PM CDT Wed Mar 17 2021
 
ALZ054>057-180300-
Wilcox AL-Monroe AL-Conecuh AL-Butler AL-
915 PM CDT Wed Mar 17 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...BUTLER...NORTHEASTERN MONROE...SOUTHEASTERN WILCOX AND
NORTH CENTRAL CONECUH COUNTIES UNTIL 1000 PM CDT...

At 914 PM CDT, the strong thunderstorms were located along a line
extending from 5 miles southwest of Dannelly Reservoir to near Camden
to 3 miles west of Beatrice to 5 miles north of Monroeville, and
moving east at 55 mph.

Wind gusts of 45 to 55 mph will be possible with these storms.

Locations impacted include...
Greenville, Camden, Peterman, Georgiana, Beatrice, Vredenburgh and
Pine Apple.

A Tornado Watch remains in effect until 300 AM CDT for south central
Alabama.

LAT...LON 3214 8728 3214 8725 3212 8726 3208 8719
      3205 8718 3205 8686 3196 8686 3196 8645
      3181 8645 3161 8660 3153 8747 3172 8737
      3216 8735 3217 8729
TIME...MOT...LOC 0214Z 261DEG 48KT 3212 8728 3200 8725 3173 8727 3161
8736

$$

Black

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 7:10 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	65 min
Mar 17, 8:07 PM CDT	Special Weather Statement	MOB	Choctaw, Washington	53 min
Mar 17, 8:31 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Washington, Wilcox	44 min
Mar 17, 9:27 PM CDT	Special Weather Statement	MOB	Clarke, Monroe, Washington	48 min
Mar 17, 9:55 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	50 min
Mar 17, 10:17 PM CDT	Special Weather Statement	MOB	Monroe, Washington	58 min
Mar 17, 10:31 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	44 min
Mar 17, 11:12 PM CDT	Special Weather Statement	MOB	Baldwin, Mobile	48 min
Mar 17, 11:28 PM CDT	Special Marine Warning	MOB		92 min
Mar 18, 12:02 AM CDT	Special Weather Statement	MOB	Monroe	43 min
Mar 18, 12:07 AM CDT	Special Weather Statement	MOB	Mobile	23 min
Mar 18, 12:32 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	28 min
Mar 18, 12:33 AM CDT	Special Marine Warning	MOB		87 min
Mar 18, 12:38 AM CDT	Special Weather Statement	MOB	Butler	37 min
Mar 18, 12:57 AM CDT	Special Marine Warning	MOB		63 min
Mar 18, 1:48 AM CDT	Special Marine Warning	MOB		87 min
Mar 18, 3:16 AM CDT	Special Marine Warning	MOB		89 min
Mar 18, 4:00 AM CDT	Tornado Warning	MOB	Crenshaw	30 min
Mar 18, 4:09 AM CDT	Special Marine Warning	MOB		51 min
Mar 18, 12:59 AM CDT	Special Weather Statement	MOB	Escambia	46 min
Mar 17, 7:43 PM CDT	Areal Flood Advisory	MOB	George, Greene, Perry, Stone, Wayne	6 hr
Mar 17, 8:22 PM CDT	Severe Thunderstorm Warning	MOB	Perry, Stone	38 min
Mar 17, 8:54 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone	28 min
Mar 17, 9:17 PM CDT	Areal Flood Advisory	MOB	Perry, Stone	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.