Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 161, NWS Mobile, AL

July 8, 2021Escambia County, Alabama; Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jul 8, 2021, 5:14 PM CDT for Escambia County, Alabama; Santa Rosa County, Florida. It was in force for 31 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 8, 2021, 5:14 PM CDT (22:14 UTC)
Expired: Jul 8, 2021, 5:45 PM CDT
In force: 31 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Escambia County, AL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 114 km from the middle of the area, began a volume at 22:17 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, 10.2 hours before the alert went out and 244 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: 72 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

408 
WUUS54 KMOB 082214
SVRMOB
ALC053-FLC113-082245-
/O.NEW.KMOB.SV.W.0161.210708T2214Z-210708T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
514 PM CDT Thu Jul 8 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Eastern Escambia County in south central Alabama...
  Northeastern Santa Rosa County in northwestern Florida...

* Until 545 PM CDT.

* At 514 PM CDT, a severe thunderstorm was located near Jay, or 9
  miles south of Brewton, moving northeast at 15 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Brewton, East Brewton, Jay, Pollard and Riverview. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3086 8714 3094 8725 3097 8723 3096 8722
      3099 8717 3100 8718 3100 8723 3101 8723
      3125 8701 3121 8692 3109 8682 3095 8680
TIME...MOT...LOC 2214Z 241DEG 14KT 3097 8710 

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

Black

1 follow-up statement

741 
WWUS54 KMOB 082244
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
544 PM CDT Thu Jul 8 2021

ALC053-FLC113-082254-
/O.EXP.KMOB.SV.W.0161.000000T0000Z-210708T2245Z/
Escambia AL-Santa Rosa FL-
544 PM CDT Thu Jul 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ESCAMBIA AND
NORTHEASTERN SANTA ROSA COUNTIES WILL EXPIRE AT 545 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.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3086 8714 3094 8725 3097 8723 3096 8722
      3099 8717 3100 8718 3100 8723 3101 8723
      3125 8701 3121 8692 3109 8682 3095 8680
TIME...MOT...LOC 2244Z 241DEG 14KT 3102 8699 

$$

Black

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 1:47 PM CDT	Special Weather Statement	MOB	Monroe	43 min
Jul 8, 2:46 PM CDT	Special Weather Statement	MOB	Butler	44 min
Jul 8, 3:24 PM CDT	Special Weather Statement	MOB	Crenshaw	51 min
Jul 8, 4:20 PM CDT	Special Weather Statement	MOB	Mobile	40 min
Jul 8, 4:33 PM CDT	Special Weather Statement	MOB	Clarke	42 min
Jul 8, 5:08 PM CDT	Special Weather Statement	MOB	Escambia	52 min
Jul 8, 5:52 PM CDT	Special Weather Statement	MOB	Covington	38 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2021 Severe Thunderstorm Warnings in Florida, 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.