Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

July 22, 2021Wilcox County, Alabama

NWS Mobile, AL issued this special weather statement at Jul 22, 2021, 8:36 PM CDT for Wilcox County, Alabama. It was in force for 39 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 22, 2021, 8:36 PM CDT (01:36 UTC)
Expired
Jul 22, 2021, 9:15 PM CDT
In force
39 min
Issued by
NWS Mobile, AL

County Wilcox County, AL

The radar

The Maxwell AFB radar (KMXX), 133 km from the middle of the area, began a volume at 01:40 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, 1.6 hours before the alert went out and 141 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 00:00Z on 2021-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1238 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 00:00Z on 2021-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
1238 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1016 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

400 
WWUS84 KMOB 230136
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
836 PM CDT Thu Jul 22 2021
 
ALZ054-055-057-230215-
Wilcox AL-Monroe AL-Butler AL-
836 PM CDT Thu Jul 22 2021

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHWESTERN BUTLER...NORTHEASTERN MONROE AND SOUTHEASTERN WILCOX
COUNTIES UNTIL 915 PM CDT...

At 835 PM CDT, the strong thunderstorm was located 5 miles northwest
of Pine Apple, or 14 miles southeast of Camden, moving east at 20
mph.

Wind gusts of 40 to 50 mph will be possible with this storm.

Locations impacted include...
Pine Apple.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3200 8689 3182 8679 3175 8687 3183 8714
      3187 8719 3193 8717 3205 8716 3205 8697
TIME...MOT...LOC 0135Z 289DEG 16KT 3191 8707 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 9:05 PM CDTSpecial Weather StatementMOBButler40 min
Jul 23, 3:14 PM CDTSpecial Weather StatementMOBClarke, Monroe46 min
Jul 23, 3:33 PM CDTSpecial Weather StatementMOBBaldwin42 min
Jul 23, 4:05 PM CDTSpecial Weather StatementMOBMobile40 min
Jul 23, 5:30 PM CDTSpecial Weather StatementMOBWashington30 min
Jul 23, 5:41 PM CDTSpecial Weather StatementMOBBaldwin49 min
Jul 23, 5:47 PM CDTSevere Thunderstorm WarningMOBBaldwin43 min
Jul 23, 6:09 PM CDTSpecial Weather StatementMOBBaldwin51 min
Jul 23, 6:28 PM CDTSpecial Marine WarningMOB80 min
Jul 23, 6:43 PM CDTSpecial Weather StatementMOBBaldwin32 min
Jul 23, 4:42 PM CDTSpecial Weather StatementMOBWayne48 min
Jul 23, 5:35 PM CDTSpecial Weather StatementMOBPerry40 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.