Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 165, NWS Mobile, AL

July 15, 2021Conecuh County, Covington County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 15, 2021, 4:48 PM CDT for Conecuh County, Covington County, Escambia 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: Jul 15, 2021, 4:48 PM CDT (21:48 UTC)
Expired: Jul 15, 2021, 5:30 PM CDT
In force: 42 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Conecuh County, AL, Covington County, AL, Escambia County, AL

The radar

The Eglin Afb radar (KEVX), 101 km from the middle of the area, began a volume at 21:50 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, 9.8 hours before the alert went out and 219 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: 1043 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 952 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

552 
WUUS54 KMOB 152148
SVRMOB
ALC035-039-053-152230-
/O.NEW.KMOB.SV.W.0165.210715T2148Z-210715T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
448 PM CDT Thu Jul 15 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  East central Escambia County in south central Alabama...
  Southeastern Conecuh County in south central Alabama...
  Northwestern Covington County in south central Alabama...

* Until 530 PM CDT.

* At 447 PM CDT, a severe thunderstorm was located 18 miles northwest
  of Laurel Hill, or 20 miles southwest of Andalusia, moving north at
  10 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  River Falls and Red Level. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3105 8668 3110 8680 3147 8672 3139 8648
TIME...MOT...LOC 2147Z 189DEG 7KT 3110 8673 

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

1 follow-up statement

905 
WWUS54 KMOB 152226
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
526 PM CDT Thu Jul 15 2021

ALC035-039-053-152235-
/O.EXP.KMOB.SV.W.0165.000000T0000Z-210715T2230Z/
Escambia AL-Conecuh AL-Covington AL-
526 PM CDT Thu Jul 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ESCAMBIA...
SOUTHEASTERN CONECUH AND NORTHWESTERN COVINGTON COUNTIES WILL EXPIRE
AT 530 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

LAT...LON 3105 8668 3110 8680 3147 8672 3139 8648
TIME...MOT...LOC 2225Z 189DEG 7KT 3117 8672 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 4:33 PM CDT	Special Weather Statement	MOB	Covington	42 min
Jul 15, 4:40 PM CDT	Severe Thunderstorm Warning	MOB	Covington	50 min
Jul 15, 5:11 PM CDT	Special Weather Statement	MOB	Covington	49 min
Jul 15, 5:41 PM CDT	Special Weather Statement	MOB	Butler, Conecuh, Covington, Crenshaw	94 min
Jul 15, 6:42 PM CDT	Special Weather Statement	MOB	Clarke, Conecuh, Monroe	93 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.