Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 158, NWS Mobile, AL

June 24, 2021Choctaw County, Alabama; Wayne County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jun 24, 2021, 7:26 PM CDT for Choctaw County, Alabama; Wayne County, Mississippi. It was in force for 64 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 24, 2021, 7:26 PM CDT (00:26 UTC)
Expired: Jun 24, 2021, 8:30 PM CDT
In force: 64 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Choctaw County, AL, Wayne County, MS

The radar

The Mobile radar (KMOB), 119 km from the middle of the area, began a volume at 00:27 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

Jackson, MS (KJAN), launched 00:00Z, 0.4 hours before the alert went out and 164 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1272 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1516 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

208 
WUUS54 KMOB 250026
SVRMOB
ALC023-MSC153-250130-
/O.NEW.KMOB.SV.W.0158.210625T0026Z-210625T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
726 PM CDT Thu Jun 24 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southwestern Choctaw County in southwestern Alabama...
  Eastern Wayne County in southeastern Mississippi...

* Until 830 PM CDT.

* At 726 PM CDT, a severe thunderstorm was located 7 miles northwest
  of Silas, or 15 miles northeast of Waynesboro, moving southwest at
  20 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Waynesboro, Clara and Silas. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3192 8843 3178 8830 3170 8839 3170 8846
      3163 8846 3148 8861 3172 8882
TIME...MOT...LOC 0026Z 052DEG 17KT 3181 8844 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 7:30 PM CDT	Special Marine Warning	MOB		90 min
Jun 24, 10:23 PM CDT	Special Marine Warning	MOB		82 min
Jun 25, 10:22 AM CDT	Rip Current Statement	MOB	Baldwin, Mobile	14 hr
Jun 25, 6:45 PM CDT	Special Marine Warning	MOB		90 min
Jun 24, 8:31 PM CDT	Areal Flood Advisory	MOB	Stone	3 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2021 Severe Thunderstorm Warnings in Mississippi, 2021 Every 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.