Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 196, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Sep 4, 2012, 6:49 PM CDT for 8 counties in Alabama; Greene County, Wayne County, Mississippi. It was in force for 34 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
- Sep 4, 2012, 6:49 PM CDT (23:49 UTC)
- Expired
- Sep 4, 2012, 7:23 PM CDT
- In force
- 34 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Greene County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 100 km from the middle of the area, began a volume at 23:51 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, 11.8 hours before the alert went out and 214 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
- 1659 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
185
WUUS54 KMOB 042349
SVRMOB
ALC003-023-025-053-097-099-129-131-MSC041-153-050045-
/O.NEW.KMOB.SV.W.0196.120904T2349Z-120905T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
649 PM CDT TUE SEP 4 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
WESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
SOUTH CENTRAL WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...
NORTHEASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
EASTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
SOUTHWESTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
SOUTHERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
NORTHEASTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 745 PM CDT
* AT 646 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
11 MILES SOUTHEAST OF QUITMAN TO 11 MILES EAST OF CHATOM TO 13
MILES SOUTHWEST OF CAMDEN...AND MOVING SOUTH AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
MOWA CHOCTAW RESERVATION... MOVICO...
MOUNT VERNON... CALVERT... BUCKS...
STATE LINE... BUCKATUNNA... SILAS...
WHATLEY...
LAT...LON 3159 8809 3192 8735 3135 8734 3126 8743
3126 8740 3095 8805 3147 8859 3186 8861
3189 8849 3195 8846
TIME...MOT...LOC 2350Z 358DEG 25KT 3194 8855 3149 8808
3180 8740
$$1 follow-up statement
407
WWUS54 KMOB 050023
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
723 PM CDT TUE SEP 4 2012
ALC003-023-025-053-097-099-129-131-MSC041-153-050033-
/O.CAN.KMOB.SV.W.0196.000000T0000Z-120905T0045Z/
CHOCTAW AL-ESCAMBIA AL-MONROE AL-WASHINGTON AL-WILCOX AL-WAYNE MS-
GREENE MS-CLARKE AL-BALDWIN AL-MOBILE AL-
723 PM CDT TUE SEP 4 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
NORTHEASTERN MOBILE...NORTHWESTERN BALDWIN...SOUTHERN CLARKE...
NORTHEASTERN GREENE...EASTERN WAYNE...SOUTH CENTRAL WILCOX...
WASHINGTON...WESTERN MONROE...NORTHWESTERN ESCAMBIA AND SOUTHWESTERN
CHOCTAW COUNTIES...
AT 719 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN
MOBILE...NORTHWESTERN BALDWIN...SOUTHERN CLARKE...NORTHEASTERN
GREENE...EASTERN WAYNE...SOUTH CENTRAL WILCOX...WASHINGTON...WESTERN
MONROE...NORTHWESTERN ESCAMBIA AND SOUTHWESTERN CHOCTAW COUNTIES HAS
MOVED OUT OF THE COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN CANCELLED.
LAT...LON 3159 8809 3192 8735 3135 8734 3126 8743
3126 8740 3095 8805 3147 8859 3186 8861
3189 8849 3195 8846
TIME...MOT...LOC 0023Z 358DEG 25KT 3171 8854 3126 8807
3157 8739
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 6:52 AM CDT | Areal Flood Advisory | MOB | Butler, Crenshaw | 3 hr |
| Sep 4, 7:20 AM CDT | Areal Flood Advisory | MOB | Covington | 3 hr |
| Sep 4, 7:30 AM CDT | Flash Flood Warning | MOB | Butler, Crenshaw | 6 hr |
| Sep 4, 8:12 AM CDT | Flash Flood Watch | MOB | Butler, Clarke, Conecuh, Covington, Crenshaw, Escambia and 2 more | 25 hr |
| Sep 4, 8:26 AM CDT | Flash Flood Warning | MOB | Butler, Covington, Crenshaw | 6 hr |
| Sep 4, 9:10 AM CDT | Flash Flood Warning | MOB | Wilcox | 6 hr |
| Sep 4, 10:13 AM CDT | Areal Flood Advisory | MOB | Clarke, Conecuh, Monroe | 3 hr |
| Sep 4, 11:40 AM CDT | Flash Flood Warning | MOB | Butler, Conecuh, Monroe | 3 hr |
| Sep 4, 1:33 PM CDT | Areal Flood Warning | MOB | Butler, Crenshaw | 3 hr |
| Sep 4, 2:14 PM CDT | Areal Flood Warning | MOB | Butler, Conecuh, Covington, Crenshaw, Monroe, Wilcox | 2 hr |
| Sep 4, 3:34 PM CDT | Flash Flood Warning | MOB | Baldwin, Clarke, Conecuh, Escambia, Monroe | 6 hr |
| Sep 4, 3:44 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 61 min |
| Sep 4, 4:26 PM CDT | Areal Flood Warning | MOB | Conecuh, Monroe | 8 hr |
| Sep 4, 4:44 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 61 min |
| Sep 4, 4:59 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 61 min |
| Sep 4, 5:51 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 54 min |
| Sep 4, 5:56 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Monroe, Washington, Wilcox | 64 min |
| Sep 4, 6:37 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 30 min |
| Sep 4, 4:44 PM CDT | Areal Flood Advisory | MOB | Greene, Perry, Wayne | 2 hr |
| Sep 4, 5:01 PM CDT | Flash Flood Warning | MOB | Greene, Perry, Wayne | 6 hr |
| Sep 4, 5:33 PM CDT | Severe Thunderstorm Warning | MOB | Perry | 57 min |
| Sep 4, 6:00 PM CDT | Severe Thunderstorm Warning | MOB | Perry, Stone | 60 min |
| Sep 4, 6:51 PM CDT | Severe Thunderstorm Warning | MOB | Perry, Stone | 54 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2012Severe Thunderstorm Warnings in Mississippi, 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.