Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

August 28, 2021Baldwin County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 28, 2021, 12:21 PM CDT for Baldwin County, Alabama. It was in force for 69 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 28, 2021, 12:21 PM CDT (17:21 UTC)
Expired
Aug 28, 2021, 1:30 PM CDT
In force
69 min
Issued by
NWS Mobile, AL
Hail
0.00 in
Wind
40
Spout
Possible

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 63 km from the middle of the area, began a volume at 17:25 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, 5.4 hours before the alert went out and 182 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 2021-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 701 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 2021-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
701 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

845 
WWUS84 KMOB 281721
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
1221 PM CDT Sat Aug 28 2021
 
ALZ266-281830-
Baldwin Coastal AL-
1221 PM CDT Sat Aug 28 2021

...A strong thunderstorm will impact coastal portions of south 
central Baldwin County through 130 PM CDT...

At 1219 PM CDT, Doppler radar was tracking a strong thunderstorm 
capable of producing a waterspout 6 miles south of Orange Beach, 
moving west-northwest at 15 mph.

HAZARD...Waterspouts and winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Waterspouts can easily overturn boats and create locally 
         hazardous waters. Gusty winds could knock down tree limbs 
         and blow around unsecured objects.

Locations impacted include...
Gulf Shores and the Fort Morgan peninsula.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3024 8795 3026 8794 3024 8790 3024 8785
      3026 8777 3029 8774 3026 8774 3028 8772
      3025 8764 3024 8773 3026 8769 3026 8771
      3024 8775 3024 8776 3023 8780 3022 8803
TIME...MOT...LOC 1719Z 107DEG 14KT 3018 8760 

WATERSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 8:39 PM CDTSpecial Marine WarningMOB96 min
Aug 28, 2:41 AM CDTFlash Flood WatchMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more3 days
Aug 28, 5:57 AM CDTSpecial Marine WarningMOB93 min
Aug 28, 6:42 AM CDTSpecial Marine WarningMOB48 min
Aug 28, 6:59 AM CDTSpecial Marine WarningMOB91 min
Aug 28, 7:26 AM CDTSpecial Marine WarningMOB64 min
Aug 28, 8:28 AM CDTSpecial Marine WarningMOB92 min
Aug 28, 8:29 AM CDTSpecial Marine WarningMOB61 min
Aug 28, 9:16 AM CDTSpecial Marine WarningMOB89 min
Aug 28, 10:01 AM CDTSpecial Marine WarningMOB89 min
Aug 28, 12:17 PM CDTSpecial Marine WarningMOB48 min
Aug 28, 1:53 PM CDTRiver Flood WarningMOBBaldwin5 days
Aug 28, 4:32 PM CDTStorm Surge WarningMOBBaldwin, Mobile48 hr
Aug 28, 6:44 PM CDTSpecial Weather StatementMOBWilcox46 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.