Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 135, NWS Mobile, AL

June 8, 2021Clarke County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 8, 2021, 2:46 PM CDT for Clarke County, Alabama. It was in force for 44 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
Jun 8, 2021, 2:46 PM CDT (19:46 UTC)
Expired
Jun 8, 2021, 3:30 PM CDT
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Clarke County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.8 hours before the alert went out and 183 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, Birmingham, AL at 12:00Z on 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 422 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, Birmingham, AL at 12:00Z on 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
422 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

360 
WUUS54 KMOB 081946
SVRMOB
ALC025-082030-
/O.NEW.KMOB.SV.W.0135.210608T1946Z-210608T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
246 PM CDT Tue Jun 8 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Northwestern Clarke County in southwestern Alabama...

* Until 330 PM CDT.

* At 245 PM CDT, a severe thunderstorm was located 7 miles northeast
  of Coffeeville, or 13 miles northwest of Grove Hill, moving north
  at 30 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will remain over mainly rural areas of
  northwestern Clarke County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3172 8787 3174 8808 3192 8808 3192 8806
      3193 8805 3194 8807 3193 8808 3196 8808
      3196 8807 3198 8808 3198 8806 3199 8807
      3199 8780
TIME...MOT...LOC 1945Z 187DEG 24KT 3181 8797 

HAIL...0.88IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 11:02 AM CDTSpecial Weather StatementMOBConecuh43 min
Jun 8, 12:12 PM CDTSpecial Weather StatementMOBMonroe48 min
Jun 8, 12:22 PM CDTSpecial Weather StatementMOBMonroe38 min
Jun 8, 12:36 PM CDTSevere Thunderstorm WarningMOBMonroe39 min
Jun 8, 12:37 PM CDTSpecial Weather StatementMOBMonroe38 min
Jun 8, 1:11 PM CDTSpecial Weather StatementMOBButler, Wilcox94 min
Jun 8, 1:14 PM CDTSpecial Weather StatementMOBEscambia46 min
Jun 8, 1:15 PM CDTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox45 min
Jun 8, 1:41 PM CDTSpecial Weather StatementMOBMonroe49 min
Jun 8, 2:00 PM CDTSpecial Weather StatementMOBBaldwin45 min
Jun 8, 2:11 PM CDTSpecial Weather StatementMOBChoctaw49 min
Jun 8, 2:16 PM CDTSevere Thunderstorm WarningMOBClarke44 min
Jun 8, 2:18 PM CDTSevere Thunderstorm WarningMOBChoctaw42 min
Jun 8, 2:23 PM CDTSpecial Weather StatementMOBWashington52 min
Jun 8, 2:32 PM CDTSevere Thunderstorm WarningMOBWashington43 min
Jun 8, 2:56 PM CDTSpecial Weather StatementMOBClarke49 min
Jun 8, 3:19 PM CDTSpecial Weather StatementMOBClarke41 min
Jun 8, 3:54 PM CDTSpecial Weather StatementMOBCovington66 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.