Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 117, NWS Mobile, AL

July 3, 2012Butler County, Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 3, 2012, 5:14 PM CDT for Butler County, Crenshaw County, Alabama. It was in force for 49 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 3, 2012, 5:14 PM CDT (22:14 UTC)
Expired
Jul 3, 2012, 6:03 PM CDT
In force
49 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Butler County, AL, Crenshaw County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.2 hours before the alert went out and 149 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 2012-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1650 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 2012-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
1650 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1329 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

842 
WUUS54 KMOB 032214
SVRMOB
ALC013-041-032315-
/O.NEW.KMOB.SV.W.0117.120703T2214Z-120703T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
514 PM CDT TUE JUL 3 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 615 PM CDT

* AT 513 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 15 MILES
  NORTHEAST OF GREENVILLE...OR 5 MILES NORTHEAST OF FORT DEPOSIT...
  AND MOVING SOUTH AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PETREY...             I65 AND AL 185...     I65 AND AL 10...
  GREENVILLE...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 123 AND 139.

LAT...LON 3176 8671 3197 8669 3197 8641 3205 8640
      3206 8630 3197 8630 3197 8620 3192 8617
      3183 8618 3180 8620 3179 8614 3174 8614
TIME...MOT...LOC 2215Z 349DEG 3KT 3203 8650

$$
2 follow-up statements
856 
WWUS54 KMOB 032250
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
550 PM CDT TUE JUL 3 2012

ALC041-032300-
/O.CAN.KMOB.SV.W.0117.000000T0000Z-120703T2315Z/
CRENSHAW AL-
550 PM CDT TUE JUL 3 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR NORTHERN
CRENSHAW COUNTY...

AT 545 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHERN 
CRENSHAW COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE 
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

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

LAT...LON 3192 8650 3187 8648 3175 8648 3176 8671
      3192 8669
TIME...MOT...LOC 2250Z 349DEG 3KT 3182 8659

$$

ALC013-032315-
/O.CON.KMOB.SV.W.0117.000000T0000Z-120703T2315Z/
BUTLER AL-
550 PM CDT TUE JUL 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR CENTRAL BUTLER COUNTY...

AT 545 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 2 MILES EAST OF GREENVILLE...OR 4 MILES
SOUTHEAST OF I65 AND AL 185...MOVING SOUTH AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
  I65 AND AL 185...     I65 AND AL 10...      GREENVILLE...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 123 AND 136.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3192 8650 3187 8648 3175 8648 3176 8671
      3192 8669
TIME...MOT...LOC 2250Z 349DEG 3KT 3182 8659

$$
413 
WWUS54 KMOB 032303
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
603 PM CDT TUE JUL 3 2012

ALC013-032314-
/O.CAN.KMOB.SV.W.0117.000000T0000Z-120703T2315Z/
BUTLER AL-
603 PM CDT TUE JUL 3 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR CENTRAL
BUTLER COUNTY...

AT 559 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL
BUTLER COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.

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

LAT...LON 3192 8650 3187 8648 3175 8648 3176 8671
      3192 8669
TIME...MOT...LOC 2304Z 349DEG 3KT 3181 8659

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 1:58 PM CDTSevere Thunderstorm WarningMOBClarke32 min
Jul 3, 2:47 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia, Monroe32 min
Jul 3, 2:53 PM CDTSevere Thunderstorm WarningMOBMobile25 min
Jul 3, 3:14 PM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia61 min
Jul 3, 3:31 PM CDTSevere Thunderstorm WarningMOBMobile, Washington31 min
Jul 3, 3:43 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile36 min
Jul 3, 4:01 PM CDTSpecial Marine WarningMOB89 min
Jul 3, 4:25 PM CDTSevere Thunderstorm WarningMOBBaldwin23 min
Jul 3, 4:43 PM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw62 min
Jul 3, 6:27 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw29 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning in 2012

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.