Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

June 27, 20215 counties in Alabama

NWS Mobile, AL issued this special weather statement at Jun 27, 2021, 3:01 PM CDT for 5 counties in Alabama. It was in force for 59 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
Jun 27, 2021, 3:01 PM CDT (20:01 UTC)
Expired
Jun 27, 2021, 4:00 PM CDT
In force
59 min
Issued by
NWS Mobile, AL

Counties Butler County, AL, Clarke County, AL, Conecuh County, AL, Monroe County, AL, Wilcox County, AL

The radar

The Mobile radar (KMOB), 149 km from the middle of the area, began a volume at 20:03 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, 8.0 hours before the alert went out and 162 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2021-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 322 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2021-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
322 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

066 
WWUS84 KMOB 272001
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
301 PM CDT Sun Jun 27 2021
 
ALZ051-053>060-262-272100-
Clarke AL-Wilcox AL-Baldwin Inland AL-Monroe AL-Conecuh AL-
Choctaw AL-Butler AL-Covington AL-Escambia AL-Crenshaw AL-
301 PM CDT Sun Jun 27 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...BUTLER...MONROE...SOUTH CENTRAL CHOCTAW...NORTH CENTRAL
BALDWIN...SOUTHWESTERN CRENSHAW...CLARKE...NORTHWESTERN ESCAMBIA...
WILCOX...CONECUH AND NORTHWESTERN COVINGTON COUNTIES UNTIL 400 PM
CDT...

At 300 PM CDT, the strong thunderstorms were located along a line
extending from near Uriah to 6 miles west of Rutledge, and moving
north at 40 mph.

Wind gusts of 40 to 50 mph will be possible with these storms.

Locations impacted include...
Greenville, Monroeville, Jackson, Thomasville, Evergreen, Camden,
Frisco City, Grove Hill, McCullough, Peterman, Georgiana, Uriah,
Whatley, Pine Hill, McKenzie, Castleberry, Excel, Beatrice,
Coffeeville and Vredenburgh.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3205 8718 3205 8686 3196 8686 3196 8659
      3154 8628 3109 8757 3147 8792 3150 8791
      3166 8809 3170 8809 3170 8813 3184 8826
      3199 8804 3200 8763 3213 8762 3213 8752
      3227 8751 3227 8744
TIME...MOT...LOC 2000Z 169DEG 33KT 3129 8746 3174 8642 

$$

CGAL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 12:46 PM CDTSpecial Weather StatementMOBCovington44 min
Jun 27, 1:22 PM CDTRip Current StatementMOBBaldwin, Mobile16 hr
Jun 27, 1:40 PM CDTSpecial Weather StatementMOBCovington, Escambia50 min
Jun 27, 2:22 PM CDTSpecial Weather StatementMOBButler, Conecuh, Escambia38 min
Jun 27, 2:46 PM CDTSpecial Weather StatementMOBCrenshaw44 min
Jun 27, 3:56 PM CDTSpecial Weather StatementMOBMonroe, Wilcox49 min
Jun 27, 12:25 PM CDTSpecial Weather StatementMOBOkaloosa50 min
Jun 27, 1:07 PM CDTSpecial Weather StatementMOBSanta Rosa38 min
Jun 27, 5:08 PM CDTSpecial Weather StatementMOBWayne52 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.