Alert archive / Alabama / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 13, NWS Mobile, AL

January 4, 2023Clarke County, Monroe County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 4, 2023, 1:48 AM CST for Clarke County, Monroe County, Washington County, Alabama. It was in force for 42 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
Jan 4, 2023, 1:48 AM CST (07:48 UTC)
Expired
Jan 4, 2023, 2:30 AM CST
In force
42 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Clarke County, AL, Monroe County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 79 km from the middle of the area, began a volume at 07:47 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 3, 10:05 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.8 hours before the alert went out and 209 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 00:00Z on 2023-01-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2160 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 00:00Z on 2023-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 square meters per square second.1939587897117Sfc1 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
2160 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
2.1
Supercell composite
9.8

Open this sounding in Storm Lab

The text

As transmitted.

037 
WUUS54 KMOB 040748
SVRMOB
ALC025-099-129-040830-
/O.NEW.KMOB.SV.W.0013.230104T0748Z-230104T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
148 AM CST Wed Jan 4 2023

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southwestern Monroe County in south central Alabama...
  Central Washington County in southwestern Alabama...
  Central Clarke County in southwestern Alabama...

* Until 230 AM CST.

* At 148 AM CST, severe thunderstorms were located along a line
  extending from Tibbie to 9 miles southeast of Chatom to 7 miles
  east of Deer Park to 3 miles north of Citronelle, moving northeast
  at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Jackson, Grove Hill, Chatom, Saint Stephens, Wagarville, Leroy,
  Whatley, Tibbie and McIntosh.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 AM CST for south central
and southwestern Alabama.

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

A Tornado Watch remains in effect until 400 AM CST for south central
and southwestern Alabama.

&&

LAT...LON 3163 8757 3147 8754 3132 8762 3129 8770
      3130 8771 3130 8779 3127 8779 3128 8782
      3125 8784 3114 8818 3114 8833 3112 8833
      3111 8835 3120 8830 3146 8836 3175 8777
TIME...MOT...LOC 0748Z 244DEG 43KT 3139 8825 3135 8818 3123 8819 3114
8824

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Black
2 follow-up statements
158 
WWUS54 KMOB 040811
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
211 AM CST Wed Jan 4 2023

ALC025-099-129-040830-
/O.CON.KMOB.SV.W.0013.000000T0000Z-230104T0830Z/
Monroe AL-Washington AL-Clarke AL-
211 AM CST Wed Jan 4 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CST
FOR SOUTHWESTERN MONROE...EASTERN WASHINGTON AND CENTRAL CLARKE
COUNTIES...

At 211 AM CST, severe thunderstorms were located along a line
extending from Leroy to 3 miles south of Jackson to 9 miles southeast
of Wagarville to 3 miles east of McIntosh, moving northeast at 50
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Jackson, Grove Hill, Saint Stephens, Wagarville, Leroy, Whatley and
McIntosh.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 AM CST for south central
and southwestern Alabama.

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

&&

LAT...LON 3163 8757 3147 8754 3132 8762 3129 8770
      3130 8771 3130 8779 3127 8779 3128 8782
      3125 8784 3114 8819 3115 8829 3130 8825
      3142 8808 3159 8806 3175 8777
TIME...MOT...LOC 0811Z 244DEG 43KT 3150 8798 3146 8791 3134 8792 3125
8797

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Black
313 
WWUS54 KMOB 040828
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
Issued by National Weather Service New Orleans LA
228 AM CST Wed Jan 4 2023

ALC025-099-129-040838-
/O.EXP.KMOB.SV.W.0013.000000T0000Z-230104T0830Z/
Monroe AL-Washington AL-Clarke AL-
228 AM CST Wed Jan 4 2023

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MONROE...EASTERN
WASHINGTON AND CENTRAL CLARKE COUNTIES WILL EXPIRE AT 230 AM CST...
            
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 will be allowed to expire.  However small hail
and gusty winds are still possible with these thunderstorms.

A Tornado Watch remains in effect until 400 AM CST for south central
and southwestern Alabama.

LAT...LON 3163 8757 3147 8754 3132 8762 3129 8770
      3130 8771 3130 8779 3127 8779 3128 8782
      3125 8784 3114 8819 3115 8829 3130 8825
      3142 8808 3159 8806 3175 8777
TIME...MOT...LOC 0828Z 244DEG 43KT 3154 8789 3150 8782 3138 8783 3129
8789

$$

KLG

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 8:14 PM CSTSevere Thunderstorm WarningMOBChoctaw46 min
Jan 3, 8:55 PM CSTSpecial Weather StatementMOBChoctaw35 min
Jan 3, 10:12 PM CSTSpecial Weather StatementMOBClarke33 min
Jan 3, 10:50 PM CSTAreal Flood AdvisoryMOBChoctaw6 hr
Jan 3, 11:16 PM CSTAreal Flood AdvisoryMOBChoctaw, Clarke, Washington6 hr
Jan 3, 11:56 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington34 min
Jan 3, 11:59 PM CSTSevere Thunderstorm WarningMOBChoctaw46 min
Jan 4, 12:13 AM CSTFlash Flood WarningMOBChoctaw6 hr
Jan 4, 12:29 AM CSTSpecial Weather StatementMOBClarke, Washington46 min
Jan 4, 12:38 AM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox42 min
Jan 4, 12:54 AM CSTSevere Thunderstorm WarningMOBWashington51 min
Jan 4, 12:59 AM CSTFlash Flood WarningMOBChoctaw, Clarke, Washington6 hr
Jan 4, 1:08 AM CSTSevere Thunderstorm WarningMOBWilcox37 min
Jan 4, 1:34 AM CSTSpecial Weather StatementMOBClarke, Washington41 min
Jan 4, 2:07 AM CSTAreal Flood AdvisoryMOBClarke, Mobile, Monroe, Washington, Wilcox4 hr
Jan 4, 2:21 AM CSTSpecial Weather StatementMOBMonroe39 min
Jan 4, 2:31 AM CSTSpecial Weather StatementMOBClarke, Monroe44 min
Jan 4, 2:56 AM CSTAreal Flood AdvisoryMOBBaldwin, Butler, Conecuh, Escambia, Monroe, Wilcox5 hr
Jan 4, 3:15 AM CSTSpecial Weather StatementMOBBaldwin, Mobile45 min
Jan 4, 3:19 AM CSTSpecial Marine WarningMOB86 min
Jan 4, 3:24 AM CSTSpecial Weather StatementMOBButler, Conecuh, Crenshaw, Escambia, Monroe66 min
Jan 4, 3:45 AM CSTAreal Flood AdvisoryMOBBaldwin, Escambia, Mobile4 hr
Jan 4, 3:58 AM CSTAreal Flood AdvisoryMOBButler, Conecuh6 hr
Jan 4, 4:02 AM CSTSpecial Weather StatementMOBBaldwin, Conecuh, Escambia, Mobile, Monroe58 min
Jan 4, 4:05 AM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile44 min
Jan 4, 4:28 AM CSTSpecial Marine WarningMOB92 min
Jan 4, 4:44 AM CSTSevere Thunderstorm WarningMOBBaldwin46 min
Jan 4, 4:56 AM CSTAreal Flood AdvisoryMOBConecuh, Covington, Crenshaw, Escambia6 hr
Jan 4, 5:00 AM CSTSpecial Weather StatementMOBCovington, Escambia90 min
Jan 4, 5:44 AM CSTSpecial Marine WarningMOB82 min
Jan 4, 3:58 PM CSTRiver Flood WarningMOBClarke, Washington18 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2023Every severe thunderstorm warning in 2023

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.