Alert archive / Alabama / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 39, NWS Mobile, AL

June 2, 2018Conecuh County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 2, 2018, 8:04 PM CDT for Conecuh County, Escambia County, Alabama. It was in force for 41 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 2, 2018, 8:04 PM CDT (01:04 UTC)
Expired: Jun 2, 2018, 8:45 PM CDT
In force: 41 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Conecuh County, AL, Escambia County, AL

The radar

The Mobile radar (KMOB), 125 km from the middle of the area, began a volume at 01:07 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 00:00Z, 1.1 hours before the alert went out and 209 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: 1725 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1517 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

986 
WUUS54 KMOB 030104
SVRMOB
ALC035-053-030145-
/O.NEW.KMOB.SV.W.0039.180603T0104Z-180603T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
804 PM CDT SAT JUN 2 2018

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  North central Escambia County in south central Alabama...
  Southwestern Conecuh County in south central Alabama...

* Until 845 PM CDT.

* At 803 PM CDT, a severe thunderstorm was located 6 miles southeast
  of Repton, or 12 miles west of Evergreen, moving south 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...
  Brewton, East Brewton, Castleberry, Repton and I65 And US 84. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This storm is capable of producing damaging winds and continuous 
cloud to ground lightning. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3108 8694 3108 8728 3138 8731 3141 8729
      3141 8728 3145 8723 3146 8721 3146 8720
      3147 8700
TIME...MOT...LOC 0103Z 352DEG 23KT 3137 8715 

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

DJ/17

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 7:14 PM CDT	Special Weather Statement	MOB	Conecuh	46 min
Jun 2, 7:21 PM CDT	Special Weather Statement	MOB	Covington	39 min
Jun 2, 7:23 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Covington	37 min
Jun 2, 8:00 PM CDT	Special Weather Statement	MOB	Conecuh	45 min
Jun 2, 8:46 PM CDT	Special Weather Statement	MOB	Escambia	44 min
Jun 2, 8:58 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Escambia, Monroe	47 min
Jun 2, 9:43 PM CDT	Special Weather Statement	MOB	Escambia	47 min
Jun 3, 4:02 PM CDT	Special Weather Statement	MOB	Choctaw	43 min
Jun 3, 4:53 PM CDT	Special Weather Statement	MOB	Clarke	52 min
Jun 3, 5:11 PM CDT	Special Weather Statement	MOB	Clarke	49 min
Jun 3, 5:19 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	41 min
Jun 3, 5:38 PM CDT	Special Weather Statement	MOB	Crenshaw	52 min
Jun 3, 5:54 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Washington	51 min
Jun 3, 6:02 PM CDT	Special Marine Warning	MOB		43 min
Jun 3, 6:02 PM CDT	Special Weather Statement	MOB	Escambia	43 min
Jun 3, 6:05 PM CDT	Special Weather Statement	MOB	Butler	40 min
Jun 3, 6:07 PM CDT	Special Weather Statement	MOB	Washington	53 min
Jun 3, 6:17 PM CDT	Special Weather Statement	MOB	Baldwin	43 min
Jun 3, 6:18 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	42 min
Jun 3, 6:29 PM CDT	Special Weather Statement	MOB	Crenshaw	46 min
Jun 3, 6:55 PM CDT	Special Weather Statement	MOB	Escambia	65 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2018 Every severe thunderstorm warning in 2018

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.