Alert archive / Alabama / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 95, NWS Mobile, AL

July 4, 2015Butler County, Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 4, 2015, 5:56 PM CDT for Butler County, Crenshaw County, Alabama. It was in force for 64 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 4, 2015, 5:56 PM CDT (22:56 UTC)
Expired
Jul 4, 2015, 7:00 PM CDT
In force
64 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Butler County, AL, Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 81 km from the middle of the area, began a volume at 22:58 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, 10.9 hours before the alert went out and 178 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 2015-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 535 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 2015-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 square meters per square second.19395878Sfc1 km3 km6 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
535 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

064 
WUUS54 KMOB 042256
SVRMOB
ALC013-041-050000-
/O.NEW.KMOB.SV.W.0095.150704T2256Z-150705T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
556 PM CDT SAT JUL 4 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 700 PM CDT

* AT 556 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
  WINDS OVER 60 MPH WAS LOCATED 11 MILES NORTHWEST OF DOZIER...OR 17
  MILES SOUTH OF GREENVILLE...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LUVERNE...             BRANTLEY...            RUTLEDGE...
  GLENWOOD...            

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS OFTEN PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING. PLEASE TAKE COVER UNTIL THE STORM PASSES.

TO REPORT SEVERE WEATHER...CALL (800) 284-9059.

&&

LAT...LON 3156 8615 3150 8639 3153 8640 3153 8658
      3163 8663 3165 8660 3181 8620 3179 8620
      3179 8615 3166 8615 3166 8616 3165 8616
      3162 8618 3162 8615
TIME...MOT...LOC 2256Z 250DEG 20KT 3158 8652 
$$
1 follow-up statement
302 
WWUS54 KMOB 042352
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
652 PM CDT SAT JUL 4 2015

ALC013-041-050002-
/O.EXP.KMOB.SV.W.0095.000000T0000Z-150705T0000Z/
BUTLER AL-CRENSHAW AL-
652 PM CDT SAT JUL 4 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUTLER AND
SOUTHERN CRENSHAW COUNTIES WILL BE ALLOWED TO EXPIRE...

AT 652 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
BUTLER AND SOUTHERN CRENSHAW COUNTIES HAS WEAKENED BELOW SEVERE
LIMITS THUS THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE
AT 700 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CALL (800) 284-9059.

&&

LAT...LON 3156 8615 3150 8639 3153 8640 3153 8658
      3163 8663 3165 8660 3181 8620 3179 8620
      3179 8615 3166 8615 3166 8616 3165 8616
      3162 8618 3162 8615
TIME...MOT...LOC 2347Z 250DEG 20KT 3158 8652 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 2:18 PM CDTSpecial Weather StatementMOBChoctaw57 min
Jul 4, 3:46 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington59 min
Jul 4, 4:27 PM CDTSevere Thunderstorm WarningMOBMobile47 min
Jul 4, 4:30 PM CDTSpecial Weather StatementMOBMonroe60 min
Jul 4, 4:39 PM CDTSevere Thunderstorm WarningMOBClarke, Monroe51 min
Jul 4, 5:05 PM CDTSevere Thunderstorm WarningMOBConecuh, Monroe55 min
Jul 4, 5:13 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw62 min
Jul 4, 5:23 PM CDTSpecial Marine WarningMOB52 min
Jul 4, 5:30 PM CDTSpecial Weather StatementMOBCovington60 min
Jul 4, 5:36 PM CDTSpecial Weather StatementMOBBaldwin54 min
Jul 4, 5:49 PM CDTSpecial Weather StatementMOBCovington, Crenshaw56 min
Jul 4, 5:58 PM CDTSpecial Marine WarningMOB92 min
Jul 4, 6:23 PM CDTSpecial Marine WarningMOB82 min
Jul 4, 6:30 PM CDTSpecial Marine WarningMOB2 hr
Jul 4, 6:35 PM CDTSpecial Weather StatementMOBCovington40 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2015Every severe thunderstorm warning in 2015

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.