Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 68, NWS Mobile, AL

May 26, 2011Butler County, Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 26, 2011, 1:29 PM CDT for Butler County, Crenshaw County, Alabama. It was in force for 46 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 26, 2011, 1:29 PM CDT (18:29 UTC)
Expired
May 26, 2011, 2:15 PM CDT
In force
46 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, 6.5 hours before the alert went out and 159 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 2011-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2103 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 2011-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 square meters per square second.19395878Sfc1 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
2103 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
485 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
1.8
Supercell composite
7.7

Open this sounding in Storm Lab

The text

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

552 
WUUS54 KMOB 261829
SVRMOB
ALC013-041-261915-
/O.NEW.KMOB.SV.W.0068.110526T1829Z-110526T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
129 PM CDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 215 PM CDT

* AT 123 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
  NORTHEAST OF GEORGIANA...OR 8 MILES SOUTH OF I65 AND AL 10...AND   
  MOVING NORTHEAST AT 40 MPH.  ANOTHER THUNDERSTORM LINE WAS         
  APPROACHING NORTHERN CRENSHAW COUNTY FROM THE NORTHWEST. 

* THE SEVERE THUNDERSTORM WILL MOVE OVER RURAL AREAS OF NORTHERN     
  CRENSHAW AND EASTERN BUTLER COUNTIES.

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 119 AND 140.

&&

LAT...LON 3156 8614 3155 8662 3174 8675 3197 8677
      3198 8642 3206 8640 3206 8631 3198 8629
      3198 8619 3196 8618 3184 8617 3181 8620
      3179 8614 3167 8614 3163 8617 3162 8614
TIME...MOT...LOC 1827Z 230DEG 34KT 3173 8659

$$
2 follow-up statements
977 
WWUS54 KMOB 261850
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
150 PM CDT THU MAY 26 2011

ALC013-041-261915-
/O.CON.KMOB.SV.W.0068.000000T0000Z-110526T1915Z/
BUTLER AL-CRENSHAW AL-
150 PM CDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR CRENSHAW AND EASTERN BUTLER COUNTIES...

AT 146 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF
BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE 
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM FORT DEPOSIT TO 
LUVERNE TO 10 MILES SOUTHEAST OF LUVERNE...MOVING NORTHEAST AT 40 
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PATSBURG...LIVE OAK...DANIELSVILLE...SAVILLE...JOQUIN...
GARNERSVILLE...PETREY...PANOLA...MAGNOLIA SHORES...BRADLEYTON...
HIGHLAND HOME...HELICON...LAPINE AND CLEARVIEW

LAT...LON 3156 8614 3156 8651 3171 8648 3180 8658
      3196 8660 3198 8642 3206 8640 3206 8631
      3198 8629 3198 8619 3196 8618 3184 8617
      3181 8620 3179 8614 3167 8614 3163 8617
      3162 8614
TIME...MOT...LOC 1850Z 230DEG 34KT 3196 8650 3176 8621
          3166 8609

$$
565 
WWUS54 KMOB 261903
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
203 PM CDT THU MAY 26 2011

ALC013-261913-
/O.CAN.KMOB.SV.W.0068.000000T0000Z-110526T1915Z/
BUTLER AL-
203 PM CDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BUTLER COUNTY IS
CANCELLED...

LAT...LON 3156 8614 3157 8628 3172 8624 3182 8629
      3198 8642 3206 8640 3206 8631 3198 8629
      3198 8619 3196 8618 3184 8617 3181 8620
      3179 8614 3167 8614 3163 8617 3162 8614
TIME...MOT...LOC 1903Z 229DEG 33KT 3203 8637 3185 8615
          3157 8614

$$

ALC041-261915-
/O.CON.KMOB.SV.W.0068.000000T0000Z-110526T1915Z/
CRENSHAW AL-
203 PM CDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR EASTERN CRENSHAW COUNTY...

AT 200 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM CLEARVIEW
TO PETREY TO 6 MILES SOUTH OF CARMEN...MOVING NORTHEAST AT 40 MPH.

THE LINE OF SEVERE THUNDERSTORMS WILL OTHERWISE REMAIN OVER MAINLY
RURAL AREAS OF THE INDICATED COUNTY.

LAT...LON 3156 8614 3157 8628 3172 8624 3182 8629
      3198 8642 3206 8640 3206 8631 3198 8629
      3198 8619 3196 8618 3184 8617 3181 8620
      3179 8614 3167 8614 3163 8617 3162 8614
TIME...MOT...LOC 1903Z 229DEG 33KT 3203 8637 3185 8615
          3157 8614

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 10:25 AM CDTSevere Thunderstorm WarningMOBMobile50 min
May 26, 12:14 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke33 min
May 26, 12:22 PM CDTSevere Thunderstorm WarningMOBClarke, Wilcox27 min
May 26, 12:43 PM CDTSevere Thunderstorm WarningMOBChoctaw, Washington47 min
May 26, 12:45 PM CDTSevere Thunderstorm WarningMOBMobile45 min
May 26, 1:04 PM CDTSevere Thunderstorm WarningMOBButler41 min
May 26, 1:24 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile, Washington37 min
May 26, 1:27 PM CDTSevere Thunderstorm WarningMOBChoctaw63 min
May 26, 1:34 PM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw26 min
May 26, 2:43 PM CDTSevere Thunderstorm WarningMOBMobile62 min
May 26, 2:44 PM CDTFlash Flood WarningMOBChoctaw, Washington3 hr
May 26, 3:20 PM CDTTornado WarningMOBMobile40 min
May 26, 3:31 PM CDTSpecial Marine WarningMOB59 min
May 26, 3:39 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington20 min
May 26, 4:23 PM CDTSevere Thunderstorm WarningMOBMobile37 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011Every 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; the sounding from the Mesonet's radiosonde archive.