Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 57, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 13, 2011, 2:24 PM CDT for Butler County, Crenshaw County, Alabama. It was in force for 51 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 13, 2011, 2:24 PM CDT (19:24 UTC)
- Expired
- May 13, 2011, 3:15 PM CDT
- In force
- 51 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, 7.4 hours before the alert went out and 174 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.
- Mixed-layer CAPE
- 621 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 899 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
264
WUUS54 KMOB 131924
SVRMOB
ALC013-041-132015-
/O.NEW.KMOB.SV.W.0057.110513T1924Z-110513T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
224 PM CDT FRI MAY 13 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
WEST CENTRAL CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 315 PM CDT
* AT 222 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 11
MILES EAST OF GEORGIANA...OR 11 MILES NORTHEAST OF MCKENZIE...AND
MOVING NORTHEAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
RUTLEDGE AROUND 310 PM CDT...
&&
LAT...LON 3153 8654 3153 8659 3165 8670 3188 8642
3169 8626
TIME...MOT...LOC 1924Z 231DEG 17KT 3164 8655
$$2 follow-up statements
142
WWUS54 KMOB 131948
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
248 PM CDT FRI MAY 13 2011
ALC013-131958-
/O.CAN.KMOB.SV.W.0057.000000T0000Z-110513T2015Z/
BUTLER AL-
248 PM CDT FRI MAY 13 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUTLER COUNTY IS
CANCELLED...
LAT...LON 3169 8626 3155 8650 3166 8650 3167 8645
3183 8645 3183 8644 3186 8645 3188 8642
TIME...MOT...LOC 1948Z 231DEG 17KT 3173 8637
$$
ALC041-132015-
/O.CON.KMOB.SV.W.0057.000000T0000Z-110513T2015Z/
CRENSHAW AL-
248 PM CDT FRI MAY 13 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR WEST CENTRAL CRENSHAW COUNTY...
AT 246 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 ROBINSON CROSSROADS...OR 7 MILES WEST OF LUVERNE...
MOVING NORTHEAST AT 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
RUTLEDGE...CENTENARY AND 6 MILES SOUTHEAST OF CENTER RIDGE BY 255
PM CDT...
8 MILES SOUTHEAST OF HONORAVILLE BY 300 PM CDT...
LAT...LON 3169 8626 3155 8650 3166 8650 3167 8645
3183 8645 3183 8644 3186 8645 3188 8642
TIME...MOT...LOC 1948Z 231DEG 17KT 3173 8637
$$572
WWUS54 KMOB 132007
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
307 PM CDT FRI MAY 13 2011
ALC041-132017-
/O.EXP.KMOB.SV.W.0057.000000T0000Z-110513T2015Z/
CRENSHAW AL-
307 PM CDT FRI MAY 13 2011
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL CRENSHAW COUNTY
WILL EXPIRE AT 315 PM CDT...
LAT...LON 3169 8626 3155 8650 3166 8650 3167 8645
3183 8645 3183 8644 3186 8645 3188 8642
TIME...MOT...LOC 2007Z 231DEG 17KT 3179 8629
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 12:17 PM CDT | Special Marine Warning | MOB | 58 min | |
| May 13, 1:09 PM CDT | Special Marine Warning | MOB | 66 min | |
| May 13, 1:44 PM CDT | Special Marine Warning | MOB | 61 min | |
| May 13, 3:16 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 16 min |
| May 13, 3:42 PM CDT | Special Marine Warning | MOB | 2 hr | |
| May 13, 4:15 PM CDT | Special Marine Warning | MOB | 60 min | |
| May 13, 5:17 PM CDT | Special Marine Warning | MOB | 28 min | |
| May 13, 6:22 PM CDT | Marine Weather Statement | MOB | 115 min | |
| May 13, 6:38 PM CDT | Special Marine Warning | MOB | 67 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.