Alert archive / Alabama / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 41, NWS Mobile, AL

June 3, 2018Choctaw County, Clarke County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 3, 2018, 5:19 PM CDT for Choctaw County, Clarke County, Washington 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 3, 2018, 5:19 PM CDT (22:19 UTC)
Expired
Jun 3, 2018, 6:00 PM CDT
In force
41 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Choctaw County, AL, Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 110 km from the middle of the area, began a volume at 22:18 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, 10.3 hours before the alert went out and 205 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 12:00Z on 2018-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1531 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2018-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
1531 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1050 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

634 
WUUS54 KMOB 032219
SVRMOB
ALC023-025-129-032300-
/O.NEW.KMOB.SV.W.0041.180603T2219Z-180603T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
519 PM CDT SUN JUN 3 2018

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  South central Choctaw County in southwestern Alabama...
  Northeastern Washington County in southwestern Alabama...
  Central Clarke County in southwestern Alabama...

* Until 600 PM CDT.

* At 519 PM CDT, a severe thunderstorm was located near Coffeeville,
  or 16 miles west of Grove Hill, moving southeast at 25 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Jackson, Leroy and Coffeeville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and 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.

&&

LAT...LON 3173 8823 3185 8806 3157 8765 3137 8786
TIME...MOT...LOC 2219Z 312DEG 21KT 3171 8806 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
687 
WWUS54 KMOB 032246
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
546 PM CDT SUN JUN 3 2018

ALC023-032256-
/O.CAN.KMOB.SV.W.0041.000000T0000Z-180603T2300Z/
Choctaw AL-
546 PM CDT SUN JUN 3 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHOCTAW COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3164 8814 3178 8797 3157 8765 3137 8786
TIME...MOT...LOC 2246Z 312DEG 21KT 3160 8792 

$$

ALC025-129-032300-
/O.CON.KMOB.SV.W.0041.000000T0000Z-180603T2300Z/
Washington AL-Clarke AL-
546 PM CDT SUN JUN 3 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHEASTERN WASHINGTON AND CENTRAL CLARKE COUNTIES...

At 546 PM CDT, a severe thunderstorm was located 6 miles north of
Jackson, moving southeast at 25 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Jackson and Leroy. 

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.

&&

LAT...LON 3164 8814 3178 8797 3157 8765 3137 8786
TIME...MOT...LOC 2246Z 312DEG 21KT 3160 8792 

HAIL...1.00IN
WIND...60MPH
 
$$

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, 8:58 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia, Monroe47 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, 5:38 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.