Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

August 26, 2021Mobile County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 26, 2021, 5:47 PM CDT for Mobile County, Alabama. It was in force for 43 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
Aug 26, 2021, 5:47 PM CDT (22:47 UTC)
Expired
Aug 26, 2021, 6:30 PM CDT
In force
43 min
Issued by
NWS Mobile, AL
Hail
0.00 in
Wind
30

County Mobile County, AL

The radar

The Mobile radar (KMOB), 14 km from the middle of the area, began a volume at 22:50 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, 10.8 hours before the alert went out and 152 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 2021-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1297 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 2021-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
1297 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
904 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

124 
WWUS84 KMOB 262247
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
547 PM CDT Thu Aug 26 2021
 
ALZ263-265-262330-
Mobile Coastal AL-Mobile Central AL-
547 PM CDT Thu Aug 26 2021

...Strong thunderstorms will impact portions of southwestern Mobile
County through 630 PM CDT...

At 546 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from I10 And I65 to Theodore to 7 miles southeast of
Tillmans Corner. Movement was west at 10 mph.

HAZARD...Winds 30 to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Tillmans Corner, Theodore, Grand Bay, I10 And I65 and Mobile Regional
Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3044 8840 3071 8841 3067 8815 3065 8810
      3060 8812 3061 8810 3061 8809 3058 8809
      3059 8811 3057 8810 3057 8809 3054 8808
      3051 8810 3044 8811
TIME...MOT...LOC 2246Z 070DEG 11KT 3065 8814 3055 8817 3049 8811 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 5:14 PM CDTSpecial Marine WarningMOB91 min
Aug 26, 6:07 PM CDTSpecial Marine WarningMOB83 min
Aug 26, 6:27 PM CDTSpecial Marine WarningMOB93 min
Aug 25, 10:55 PM CDTAreal Flood AdvisoryMOBEscambia33 min
Aug 25, 11:02 PM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa29 min
Aug 25, 11:25 PM CDTFlash Flood WarningMOBEscambia6 hr
Aug 25, 11:30 PM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Aug 26, 2:49 PM CDTSpecial Weather StatementMOBStone26 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.