Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 131, NWS Mobile, AL

June 8, 2021Clarke County, Monroe County, Wilcox County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 8, 2021, 1:15 PM CDT for Clarke County, Monroe County, Wilcox County, Alabama. It was in force for 45 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, 1:15 PM CDT (18:15 UTC)
Expired: Jun 8, 2021, 2:00 PM CDT
In force: 45 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, Wilcox County, AL

The radar

The Birmingham radar (KBMX), 154 km from the middle of the area, began a volume at 18:16 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

Birmingham, AL (KBMX), launched 12:00Z, 6.3 hours before the alert went out and 154 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: 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.

567 
WUUS54 KMOB 081815
SVRMOB
ALC025-099-131-081900-
/O.NEW.KMOB.SV.W.0131.210608T1815Z-210608T1900Z/

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

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  North central Monroe County in south central Alabama...
  Northeastern Clarke County in southwestern Alabama...
  Southwestern Wilcox County in south central Alabama...

* Until 200 PM CDT.

* At 115 PM CDT, a severe thunderstorm was located 11 miles northeast
  of Whatley, or 13 miles east of Grove Hill, moving north at 25 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Pine Hill and Yellow Bluff. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3208 8730 3165 8737 3166 8765 3199 8768
      3199 8767 3200 8766 3201 8762 3208 8762
TIME...MOT...LOC 1815Z 181DEG 20KT 3173 8755 

HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 11:02 AM CDT	Special Weather Statement	MOB	Conecuh	43 min
Jun 8, 12:12 PM CDT	Special Weather Statement	MOB	Monroe	48 min
Jun 8, 12:22 PM CDT	Special Weather Statement	MOB	Monroe	38 min
Jun 8, 12:36 PM CDT	Severe Thunderstorm Warning	MOB	Monroe	39 min
Jun 8, 12:37 PM CDT	Special Weather Statement	MOB	Monroe	38 min
Jun 8, 1:11 PM CDT	Special Weather Statement	MOB	Butler, Wilcox	94 min
Jun 8, 1:14 PM CDT	Special Weather Statement	MOB	Escambia	46 min
Jun 8, 1:41 PM CDT	Special Weather Statement	MOB	Monroe	49 min
Jun 8, 2:00 PM CDT	Special Weather Statement	MOB	Baldwin	45 min
Jun 8, 2:11 PM CDT	Special Weather Statement	MOB	Choctaw	49 min
Jun 8, 2:16 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	44 min
Jun 8, 2:18 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	42 min
Jun 8, 2:23 PM CDT	Special Weather Statement	MOB	Washington	52 min
Jun 8, 2:32 PM CDT	Severe Thunderstorm Warning	MOB	Washington	43 min
Jun 8, 2:46 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	44 min
Jun 8, 2:56 PM CDT	Special Weather Statement	MOB	Clarke	49 min
Jun 8, 3:19 PM CDT	Special Weather Statement	MOB	Clarke	41 min
Jun 8, 3:54 PM CDT	Special Weather Statement	MOB	Covington	66 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.