Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

December 6, 2021Conecuh County, Monroe County, Alabama

NWS Mobile, AL issued this special weather statement at Dec 6, 2021, 2:13 PM CST for Conecuh County, Monroe County, Alabama. It was in force for 62 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
Dec 6, 2021, 2:13 PM CST (20:13 UTC)
Expired
Dec 6, 2021, 3:15 PM CST
In force
62 min
Issued by
NWS Mobile, AL
Hail
0.50 in
Wind
50

Counties Conecuh County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 85 km from the middle of the area, began a volume at 20:16 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.2 hours before the alert went out and 227 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, Slidell Radar S, LA at 12:00Z on 2021-12-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 720 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, Slidell Radar S, LA at 12:00Z on 2021-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.1939587897Sfc1 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
720 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
680 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.4

Open this sounding in Storm Lab

The text

As transmitted.

696 
WWUS84 KMOB 062013
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
213 PM CST Mon Dec 6 2021
 
ALZ053-055>057-059-261-262-FLZ201-062115-
Clarke AL-Baldwin Inland AL-Monroe AL-Conecuh AL-Butler AL-
Escambia AL-Mobile Inland AL-Escambia Inland FL-
213 PM CST Mon Dec 6 2021

...Strong thunderstorms will impact portions of southwestern Butler,
Monroe, northern Mobile, northwestern Baldwin, southeastern Clarke,
western Escambia, Conecuh and northwestern Escambia Counties through
315 PM CST...

At 212 PM CST, National Weather Service doppler radar indicated
strong thunderstorms along a line extending from 4 miles southwest of
Vredenburgh to 6 miles northwest of Monroeville to 3 miles southeast
of Movico to 7 miles north of Wilmer. Movement was east at 40 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Saraland, Bay Minette, Atmore, Monroeville, Satsuma, Evergreen,
Creola, Frisco City, Chunchula, Stockton, McCullough, Peterman,
Gulfcrest, Axis, Uriah, Mount Vernon, Castleberry, Excel, Beatrice
and Vredenburgh.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3183 8675 3153 8675 3079 8756 3079 8784
      3090 8790 3079 8792 3080 8841 3095 8842
      3106 8807 3156 8750 3183 8745
TIME...MOT...LOC 2012Z 271DEG 33KT 3180 8739 3157 8742 3104 8797 3093
8837

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 6, 12:12 PM CSTSpecial Weather StatementMOBChoctaw48 min
Dec 6, 12:59 PM CSTSpecial Weather StatementMOBChoctaw, Washington61 min
Dec 6, 1:36 PM CSTSpecial Weather StatementMOBClarke, Monroe, Washington39 min
Dec 6, 3:09 PM CSTSpecial Weather StatementMOBButler, Conecuh, Escambia66 min
Dec 6, 4:26 PM CSTSpecial Marine WarningMOB42 min
Dec 6, 4:23 PM CSTSpecial Weather StatementMOBOkaloosa67 min
Dec 6, 4:14 PM CSTSpecial Weather StatementMOBStone46 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.