Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 161, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 31, 2012, 7:24 AM CDT for Butler County, Wilcox County, Alabama. It was in force for 66 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, 7:24 AM CDT (12:24 UTC)
- Expired
- Jul 31, 2012, 8:30 AM CDT
- In force
- 66 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Butler County, AL, Wilcox County, AL
The radar
The Birmingham radar (KBMX), 136 km from the middle of the area, began a volume at 12:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 0.4 hours before the alert went out and 136 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.
387
WUUS54 KMOB 311224
SVRMOB
ALC013-131-311330-
/O.NEW.KMOB.SV.W.0161.120731T1224Z-120731T1330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
724 AM CDT TUE JUL 31 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 830 AM CDT
* AT 721 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 14 MILES NORTHWEST OF CAMDEN TO 17 MILES
NORTHWEST OF GREENVILLE...AND MOVING SOUTHEAST AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
BOYKIN... YELLOW BLUFF... PINE APPLE...
OAK HILL... CATHERINE... CAMDEN...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 121 AND 125.
LAT...LON 3220 8732 3205 8717 3205 8686 3197 8685
3197 8672 3172 8666 3176 8691 3183 8691
3183 8734 3186 8753 3214 8760 3214 8753
3223 8753
TIME...MOT...LOC 1224Z 333DEG 22KT 3209 8748 3201 8679
$$1 follow-up statement
702
WWUS54 KMOB 311330
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
830 AM CDT TUE JUL 31 2012
ALC013-131-311340-
/O.EXP.KMOB.SV.W.0161.000000T0000Z-120731T1330Z/
BUTLER AL-WILCOX AL-
830 AM CDT TUE JUL 31 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR
WILCOX AND NORTHWESTERN BUTLER COUNTIES...
AT 827 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR WILCOX AND
NORTHWESTERN BUTLER COUNTIES HAS WEAKENED TO BELOW SEVERE LIMITS...
THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 3220 8732 3205 8717 3205 8686 3197 8685
3197 8672 3172 8666 3176 8691 3183 8691
3183 8734 3186 8753 3214 8760 3214 8753
3223 8753
TIME...MOT...LOC 1224Z 333DEG 22KT 3209 8748 3201 8679
$$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, 7:54 AM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 23 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; radar from the NEXRAD Level II archive.