Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 162, NWS Mobile, AL

June 24, 2011Butler County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 24, 2011, 8:29 PM CDT for Butler County, Alabama. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 24, 2011, 8:29 PM CDT (01:29 UTC)
Expired: Jun 24, 2011, 9:15 PM CDT
In force: 46 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Butler County, AL

What was reported inside it

Time	Report	Where	Remark
Jun 24, 8:55 PM CDT	TSTM WND DMG	Greenville, AL	NUMEROUS REPORTS OF TREES AND POWER LINES DOWN IN THE CITY LIMITS OF GREENVILLE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.5 hours before the alert went out and 164 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 895 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1654 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

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

608 
WUUS54 KMOB 250129
SVRMOB
ALC013-250215-
/O.NEW.KMOB.SV.W.0162.110625T0129Z-110625T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
829 PM CDT FRI JUN 24 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF GREENVILLE...

* UNTIL 915 PM CDT

* AT 827 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES WEST OF GREENVILLE...OR 7 MILES WEST OF I65 AND AL 10...AND
  MOVING SOUTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO I65
  AND AL 185

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 116 AND 133.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 3166 8649 3166 8650 3164 8650 3155 8655
      3175 8692 3195 8677 3182 8645 3173 8645
TIME...MOT...LOC 0129Z 300DEG 16KT 3182 8678

$$

2 follow-up statements

543 
WWUS54 KMOB 250140
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
840 PM CDT FRI JUN 24 2011

ALC013-250215-
/O.CON.KMOB.SV.W.0162.000000T0000Z-110625T0215Z/
BUTLER AL-
840 PM CDT FRI JUN 24 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR BUTLER COUNTY...

AT 837 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR LIBERTY...OR 7 MILES WEST OF GREENVILLE...MOVING
SOUTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO I65 AND
AL 10...I65 AND AL 185...BOLLING...WALD...CHAPMAN...EAST CHAPMAN...
BRUSHY CREEK...MASHVILLE...GLASGOW...INDUSTRY...HALSO MILL...PIGEON 
CREEK AND OAKY STREAK.

LAT...LON 3167 8649 3166 8650 3164 8650 3155 8655
      3173 8689 3193 8673 3189 8662 3182 8645
      3173 8645
TIME...MOT...LOC 0140Z 304DEG 22KT 3179 8672

$$

379 
WWUS54 KMOB 250213
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
913 PM CDT FRI JUN 24 2011

ALC013-250223-
/O.EXP.KMOB.SV.W.0162.000000T0000Z-110625T0215Z/
BUTLER AL-
913 PM CDT FRI JUN 24 2011

...THE SEVERE THUNDERSTORM WARNING FOR BUTLER COUNTY WILL EXPIRE AT
915 PM CDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LIMITS. HOWEVER...HEAVY RAIN AND DANGEROUS LIGHTNING WILL CONTINUE 
ACROSS MUCH OF BUTLER COUNTY THROUGH 1015 PM.

LAT...LON 3167 8649 3166 8650 3164 8650 3155 8655
      3173 8689 3193 8673 3189 8662 3182 8645
      3173 8645
TIME...MOT...LOC 0213Z 304DEG 22KT 3168 8652

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 7:13 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	47 min
Jun 24, 7:26 PM CDT	Areal Flood Advisory	MOB	Covington, Crenshaw	2 hr
Jun 24, 8:22 PM CDT	Areal Flood Advisory	MOB	Covington	113 min
Jun 24, 9:09 PM CDT	Areal Flood Advisory	MOB	Butler	66 min
Jun 24, 9:32 PM CDT	Special Marine Warning	MOB		43 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.