Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 26, NWS Mobile, AL

March 23, 2021Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 23, 2021, 3:35 PM CDT for Baldwin County, Alabama. It was in force for 28 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
Mar 23, 2021, 3:35 PM CDT (20:35 UTC)
Expired
Mar 23, 2021, 4:03 PM CDT
In force
28 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 79 km from the middle of the area, began a volume at 20:36 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, 8.6 hours before the alert went out and 211 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 2021-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2021-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
13 J/kg
Mixed-layer CIN
-246 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

813 
WUUS54 KMOB 232035
SVRMOB
ALC003-232115-
/O.NEW.KMOB.SV.W.0026.210323T2035Z-210323T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
335 PM CDT Tue Mar 23 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southern Baldwin County in southwestern Alabama...

* Until 415 PM CDT.

* At 334 PM CDT, severe thunderstorms were located along a line
  extending from 5 miles southwest of Silverhill to 7 miles west of
  Bon Secour to 6 miles southeast of Fort Morgan, moving east at 30
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Gulf Shores, Foley, Orange Beach, Point Clear, Lillian, Magnolia
  Springs, Bon Secour, Summerdale, Perdido Beach and Elberta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 3022 8793 3052 8792 3055 8744 3051 8745
      3046 8742 3045 8738 3041 8738 3040 8743
      3036 8744 3034 8742 3033 8744 3032 8742
      3032 8750 3031 8744 3029 8750 3030 8741
      3032 8738 3027 8738
TIME...MOT...LOC 2034Z 267DEG 26KT 3048 8781 3030 8786 3017 8793 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

21/CL0
2 follow-up statements
915 
WWUS54 KMOB 232052
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
352 PM CDT Tue Mar 23 2021

ALC003-232115-
/O.CON.KMOB.SV.W.0026.000000T0000Z-210323T2115Z/
Baldwin AL-
352 PM CDT Tue Mar 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN BALDWIN COUNTY...

At 351 PM CDT, severe thunderstorms were located along a line
extending from Robertsdale to 3 miles north of Bon Secour to 4 miles
west of Gulf Shores, moving northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Gulf Shores, Foley, Orange Beach, Lillian, Magnolia Springs, Bon
Secour, Summerdale, Perdido Beach and Elberta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 3033 8778 3053 8778 3055 8744 3051 8745
      3046 8742 3045 8738 3041 8738 3040 8743
      3036 8744 3034 8742 3033 8744 3032 8743
      3032 8747 3031 8750 3031 8744 3028 8753
      3030 8741 3032 8738 3027 8738 3023 8782
TIME...MOT...LOC 2051Z 236DEG 35KT 3054 8771 3036 8771 3024 8776 

HAIL...<.75IN
WIND...60MPH
 
$$
623 
WWUS54 KMOB 232103
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
403 PM CDT Tue Mar 23 2021

ALC003-232111-
/O.CAN.KMOB.SV.W.0026.000000T0000Z-210323T2115Z/
Baldwin AL-
403 PM CDT Tue Mar 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BALDWIN COUNTY IS
CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with these thunderstorms.

LAT...LON 3033 8778 3053 8778 3055 8744 3051 8745
      3046 8742 3045 8738 3041 8738 3040 8743
      3036 8744 3034 8742 3033 8744 3032 8743
      3032 8747 3031 8750 3031 8744 3028 8753
      3030 8741 3032 8738 3027 8738 3023 8782
TIME...MOT...LOC 2059Z 267DEG 26KT 3054 8764 3036 8764 3024 8769 

$$

21/CL

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 10:29 PM CDTSmall Craft AdvisoryMOB3 days
Mar 23, 11:07 AM CDTRiver Flood WarningMOBBaldwin15 hr
Mar 23, 11:09 AM CDTRiver Flood WarningMOBBaldwin15 hr
Mar 23, 11:10 AM CDTRiver Flood WarningMOBEscambia15 hr
Mar 23, 11:11 AM CDTRiver Flood WarningMOBBaldwin15 hr
Mar 23, 11:13 AM CDTRiver Flood WarningMOBMobile23 hr
Mar 23, 12:34 PM CDTCoastal Flood AdvisoryMOBBaldwin, Mobile60 hr
Mar 23, 12:34 PM CDTHigh Surf AdvisoryMOBBaldwin, Mobile63 hr
Mar 23, 1:37 PM CDTSpecial Weather StatementMOBMobile38 min
Mar 23, 1:53 PM CDTSpecial Marine WarningMOB97 min
Mar 23, 2:11 PM CDTSpecial Weather StatementMOBBaldwin, Mobile64 min
Mar 23, 2:51 PM CDTSpecial Marine WarningMOB84 min
Mar 23, 3:11 PM CDTSpecial Weather StatementMOBBaldwin64 min
Mar 23, 3:26 PM CDTSpecial Marine WarningMOB49 min
Mar 23, 4:15 PM CDTSpecial Marine WarningMOB60 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning 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.