Alert archive / Alabama / Special Weather Statements in 2020

Special Weather Statement, NWS Mobile, AL

August 25, 2020Baldwin County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 25, 2020, 8:49 AM CDT for Baldwin County, Alabama. It was in force for 41 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 25, 2020, 8:49 AM CDT (13:49 UTC)
Expired
Aug 25, 2020, 9:30 AM CDT
In force
41 min
Issued by
NWS Mobile, AL

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 59 km from the middle of the area, began a volume at 13:51 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, 1.8 hours before the alert went out and 193 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 2020-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1596 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2020-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1596 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
471 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this special weather statement went out at Aug 25, 6:39 AM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, Aug 25, 6:39 AM CDT, 2 hours 10 minutes before
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In the hours before

Special weather statement, Aug 25, 6:00 AM CDT, 2 hours 49 minutes before
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Special weather statement, Aug 25, 6:48 AM CDT, 2 hours 1 minute before
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Special weather statement, Aug 25, 7:59 AM CDT, 50 minutes before
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Special weather statement, Aug 25, 8:41 AM CDT, 8 minutes before
Special Weather Statement
National Weather Service Mobile AL
841 AM CDT Tue Aug 25 2020

MSZ067-251430-
Wayne MS-
841 AM CDT Tue Aug 25 2020

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHEASTERN WAYNE COUNTY UNTIL 930 AM CDT...

At 840 AM CDT, the strong thunderstorm was located over Waynesboro,
moving north at 20 mph.

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

Locations impacted include...
Waynesboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Seek safe shelter indoors until the storm has passed.

LAT...LON 3183 8847 3159 8861 3161 8878 3183 8879
      3185 8863 3189 8847
TIME...MOT...LOC 1340Z 197DEG 18KT 3167 8868
Special weather statement, Aug 25, 8:49 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Mobile AL
849 AM CDT Tue Aug 25 2020

ALZ264-266-251430-
Baldwin Coastal AL-Baldwin Central AL-
849 AM CDT Tue Aug 25 2020

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN BALDWIN COUNTY UNTIL 930 AM CDT...

At 848 AM CDT, the strong thunderstorm was located over Foley, moving
northwest at 20 mph.

Wind gusts of 45 to 55 mph will be possible with this storm.

Locations impacted include...
Foley, Robertsdale, Summerdale, Silverhill and Elberta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Weak rotation has been indicated with this storm. Seek safe shelter
inside a sturdy shelter until the storm has passed.

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

&&

LAT...LON 3050 8789 3059 8768 3038 8758 3036 8760
      3036 8761 3033 8764
TIME...MOT...LOC 1348Z 147DEG 18KT 3039 8764

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 8:23 PM CDTSpecial Marine WarningMOB97 min
Aug 24, 9:59 PM CDTSpecial Marine WarningMOB46 min
Aug 24, 10:21 PM CDTSpecial Marine WarningMOB47 min
Aug 25, 12:20 AM CDTSpecial Weather StatementMOBCovington25 min
Aug 25, 12:35 AM CDTSpecial Weather StatementMOBCovington25 min
Aug 25, 6:00 AM CDTSpecial Weather StatementMOBBaldwin45 min
Aug 25, 6:48 AM CDTSpecial Marine WarningMOB57 min
Aug 25, 6:48 AM CDTSpecial Weather StatementMOBMobile42 min
Aug 25, 7:04 AM CDTAreal Flood AdvisoryMOBChoctaw, Clarke, Wilcox3 hr
Aug 25, 7:11 AM CDTSpecial Marine WarningMOB64 min
Aug 25, 7:59 AM CDTSpecial Weather StatementMOBBaldwin46 min
Aug 25, 8:12 AM CDTFlash Flood WarningMOBChoctaw, Washington6 hr
Aug 25, 12:16 PM CDTSpecial Marine WarningMOB59 min
Aug 25, 12:34 PM CDTSpecial Marine WarningMOB56 min
Aug 25, 1:14 PM CDTSpecial Marine WarningMOB61 min
Aug 25, 1:16 PM CDTSpecial Weather StatementMOBMobile59 min
Aug 25, 1:21 PM CDTSpecial Marine WarningMOB39 min
Aug 25, 2:01 PM CDTSpecial Marine WarningMOB44 min
Aug 25, 2:07 PM CDTSpecial Marine WarningMOB53 min
Aug 25, 2:25 PM CDTSpecial Weather StatementMOBMobile35 min
Aug 25, 2:29 PM CDTSpecial Weather StatementMOBBaldwin46 min
Aug 25, 3:07 PM CDTSpecial Marine WarningMOB38 min
Aug 25, 3:18 PM CDTSpecial Weather StatementMOBBaldwin27 min
Aug 25, 3:23 PM CDTSpecial Marine WarningMOB22 min
Aug 25, 3:38 PM CDTSpecial Weather StatementMOBMobile37 min
Aug 25, 7:33 AM CDTAreal Flood AdvisoryMOBWayne3 hr
Aug 25, 8:41 AM CDTSpecial Weather StatementMOBWayne49 min
Aug 25, 11:04 AM CDTSpecial Weather StatementMOBGreene26 min
Aug 25, 3:49 PM CDTSpecial Weather StatementMOBGeorge26 min
Aug 25, 4:12 PM CDTSpecial Weather StatementMOBGreene33 min
Aug 25, 4:14 PM CDTSpecial Weather StatementMOBWayne31 min
Aug 25, 4:20 PM CDTSpecial Weather StatementMOBPerry25 min
Aug 25, 4:33 PM CDTSpecial Weather StatementMOBGreene27 min

Nearby

Special Weather Statements in Alabama, 2020Every special weather statement in 2020

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.