Alert archive / Alabama / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 40, NWS Mobile, AL

June 2, 2018Conecuh County, Escambia County, Monroe County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 2, 2018, 8:58 PM CDT for Conecuh County, Escambia County, Monroe County, Alabama. It was in force for 47 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, 8:58 PM CDT (01:58 UTC)
Expired
Jun 2, 2018, 9:45 PM CDT
In force
47 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Conecuh County, AL, Escambia County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 103 km from the middle of the area, began a volume at 02:00 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, 2.0 hours before the alert went out and 225 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-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2018-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2018-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

902 
WUUS54 KMOB 030158
SVRMOB
ALC035-053-099-030245-
/O.NEW.KMOB.SV.W.0040.180603T0158Z-180603T0245Z/

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

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  South central Monroe County in south central Alabama...
  Western Escambia County in south central Alabama...
  Southwestern Conecuh County in south central Alabama...

* Until 945 PM CDT.

* At 857 PM CDT, a severe thunderstorm was located over I65 And AL
  113, or 13 miles northeast of Atmore, moving southwest at 20 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Atmore, Century, Flomaton, I65 And AL 113 and I65 And AL 21. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm. 
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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3136 8745 3137 8712 3100 8721 3100 8755
TIME...MOT...LOC 0157Z 025DEG 18KT 3118 8735 

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

DJ/17
1 follow-up statement
461 
WWUS54 KMOB 030225
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
925 PM CDT SAT JUN 2 2018

ALC035-099-030233-
/O.CAN.KMOB.SV.W.0040.000000T0000Z-180603T0245Z/
Monroe AL-Conecuh AL-
925 PM CDT SAT JUN 2 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MONROE AND
SOUTHWESTERN CONECUH COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3125 8748 3126 8715 3100 8721 3100 8755
TIME...MOT...LOC 0223Z 025DEG 18KT 3106 8742 

$$

ALC053-030245-
/O.CON.KMOB.SV.W.0040.000000T0000Z-180603T0245Z/
Escambia AL-
925 PM CDT SAT JUN 2 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR WESTERN ESCAMBIA COUNTY...

At 923 PM CDT, a severe thunderstorm was located 4 miles southeast of
I65 And AL 21, or 5 miles northeast of Atmore, moving southwest at 20
mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Atmore, Century, Flomaton, I65 And AL 113 and I65 And AL 21. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3125 8748 3126 8715 3100 8721 3100 8755
TIME...MOT...LOC 0223Z 025DEG 18KT 3106 8742 

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

DJ/17

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 7:14 PM CDTSpecial Weather StatementMOBConecuh46 min
Jun 2, 7:21 PM CDTSpecial Weather StatementMOBCovington39 min
Jun 2, 7:23 PM CDTSevere Thunderstorm WarningMOBConecuh, Covington37 min
Jun 2, 8:00 PM CDTSpecial Weather StatementMOBConecuh45 min
Jun 2, 8:04 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia41 min
Jun 2, 8:46 PM CDTSpecial Weather StatementMOBEscambia44 min
Jun 2, 9:43 PM CDTSpecial Weather StatementMOBEscambia47 min
Jun 3, 4:02 PM CDTSpecial Weather StatementMOBChoctaw43 min
Jun 3, 4:53 PM CDTSpecial Weather StatementMOBClarke52 min
Jun 3, 5:11 PM CDTSpecial Weather StatementMOBClarke49 min
Jun 3, 5:19 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington41 min
Jun 3, 5:38 PM CDTSpecial Weather StatementMOBCrenshaw52 min
Jun 3, 5:54 PM CDTSevere Thunderstorm WarningMOBClarke, Monroe, Washington51 min
Jun 3, 6:02 PM CDTSpecial Marine WarningMOB43 min
Jun 3, 6:02 PM CDTSpecial Weather StatementMOBEscambia43 min
Jun 3, 6:05 PM CDTSpecial Weather StatementMOBButler40 min
Jun 3, 6:07 PM CDTSpecial Weather StatementMOBWashington53 min
Jun 3, 6:17 PM CDTSpecial Weather StatementMOBBaldwin43 min
Jun 3, 6:18 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington42 min
Jun 3, 6:29 PM CDTSpecial Weather StatementMOBCrenshaw46 min
Jun 3, 6:55 PM CDTSpecial Weather StatementMOBEscambia65 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2018Every 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.