Alert archive / Alabama / Special Weather Statements in 2018

Special Weather Statement, NWS Mobile, AL

May 24, 2018Butler County, Alabama

NWS Mobile, AL issued this special weather statement at May 24, 2018, 3:21 PM CDT for Butler County, Alabama. It was in force for 39 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
May 24, 2018, 3:21 PM CDT (20:21 UTC)
Expired
May 24, 2018, 4:00 PM CDT
In force
39 min
Issued by
NWS Mobile, AL

County Butler County, AL

The radar

The Maxwell AFB radar (KMXX), 124 km from the middle of the area, began a volume at 20:23 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, 8.4 hours before the alert went out and 142 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 2018-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 637 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 2018-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 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
637 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1037 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

738 
WWUS84 KMOB 242021
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
321 PM CDT THU MAY 24 2018
 
ALZ054>057-242100-
Wilcox AL-Conecuh AL-Monroe AL-Butler AL-
321 PM CDT THU MAY 24 2018

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHWESTERN BUTLER...NORTHEASTERN MONROE...SOUTHEASTERN WILCOX AND
NORTH CENTRAL CONECUH COUNTIES UNTIL 400 PM CDT...

At 320 PM CDT, the strong thunderstorm was located 10 miles east of
Pine Apple, or 13 miles northwest of Greenville, moving west at 10
mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Pine Apple.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3196 8686 3196 8675 3183 8671 3162 8697
      3199 8710 3200 8686
TIME...MOT...LOC 2020Z 077DEG 10KT 3191 8682 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 3:36 AM CDTRip Current StatementMOBBaldwin, Mobile8 days
May 24, 10:54 AM CDTFlash Flood WatchMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more5 days
May 24, 11:16 AM CDTCoastal Flood WatchMOBBaldwin, Mobile29 hr
May 24, 11:16 AM CDTHigh Surf AdvisoryMOBBaldwin, Mobile4 days
May 24, 2:05 PM CDTSpecial Weather StatementMOBConecuh40 min
May 24, 2:43 PM CDTSpecial Weather StatementMOBMonroe47 min
May 24, 3:01 PM CDTSpecial Weather StatementMOBWilcox44 min
May 24, 3:31 PM CDTSpecial Weather StatementMOBMonroe59 min
May 24, 5:35 PM CDTSpecial Weather StatementMOBBaldwin25 min
May 24, 5:56 PM CDTSpecial Weather StatementMOBBaldwin49 min
May 23, 7:50 PM CDTSpecial Weather StatementMOBEscambia25 min
May 24, 4:10 PM CDTSpecial Weather StatementMOBOkaloosa50 min
May 24, 5:45 PM CDTSpecial Weather StatementMOBSanta Rosa45 min
May 24, 6:29 PM CDTSpecial Weather StatementMOBSanta Rosa46 min
May 24, 5:12 PM CDTSpecial Weather StatementMOBStone33 min
May 24, 6:11 PM CDTSpecial Weather StatementMOBPerry49 min

Nearby

Special Weather Statements in Alabama, 2018Every special weather statement 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.