Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 162, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 31, 2012, 7:54 AM CDT for Butler County, Crenshaw County, Alabama. It was in force for 23 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 31, 2012, 7:54 AM CDT (12:54 UTC)
- Expired
- Jul 31, 2012, 8:17 AM CDT
- In force
- 23 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, 0.9 hours before the alert went out and 151 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
- 374 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.5
The text
As transmitted, in the capitals the NWS used until 2016.
054
WUUS54 KMOB 311254
SVRMOB
ALC013-041-311400-
/O.NEW.KMOB.SV.W.0162.120731T1254Z-120731T1400Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
754 AM CDT TUE JUL 31 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 900 AM CDT
* AT 749 AM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG
A LINE EXTENDING FROM GREENVILLE TO 16 MILES NORTH OF LUVERNE...AND
MOVING SOUTH AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
RUTLEDGE... PETREY... LUVERNE...
I65 AND AL 185... I65 AND AL 10... GREENVILLE...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 126 AND 139.
LAT...LON 3183 8618 3181 8620 3179 8618 3165 8620
3166 8664 3197 8672 3197 8641 3202 8641
3204 8630 3197 8629 3197 8619 3196 8618
3190 8617
TIME...MOT...LOC 1254Z 344DEG 39KT 3178 8662 3188 8635
$$1 follow-up statement
113
WWUS54 KMOB 311317
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
817 AM CDT TUE JUL 31 2012
ALC013-041-311327-
/O.CAN.KMOB.SV.W.0162.000000T0000Z-120731T1400Z/
BUTLER AL-CRENSHAW AL-
817 AM CDT TUE JUL 31 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR NORTHERN
CRENSHAW AND NORTHEASTERN BUTLER COUNTIES...
AT 813 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHERN
CRENSHAW AND NORTHEASTERN BUTLER COUNTIES HAS WEAKENED TO BELOW
SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.
LAT...LON 3183 8618 3181 8620 3179 8618 3165 8620
3166 8664 3197 8672 3197 8641 3202 8641
3204 8630 3197 8629 3197 8619 3196 8618
3190 8617
TIME...MOT...LOC 1317Z 344DEG 39KT 3154 8654 3164 8627
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 7:40 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 51 min |
| Jul 30, 8:21 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 25 min |
| Jul 31, 4:33 AM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 87 min |
| Jul 31, 7:24 AM CDT | Severe Thunderstorm Warning | MOB | Butler, Wilcox | 66 min |
| Jul 31, 8:15 AM CDT | Special Marine Warning | MOB | 60 min | |
| Jul 31, 8:54 AM CDT | Areal Flood Advisory | MOB | Wilcox | 2 hr |
| Jul 31, 9:14 AM CDT | Special Marine Warning | MOB | 91 min | |
| Jul 31, 9:32 AM CDT | Flash Flood Warning | MOB | Wilcox | 4 hr |
| Jul 31, 10:47 AM CDT | Special Marine Warning | MOB | 58 min | |
| Jul 31, 11:52 AM CDT | Special Marine Warning | MOB | 83 min | |
| Jul 31, 2:41 PM CDT | Special Marine Warning | MOB | 94 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.