Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 60, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 21, 2012, 3:36 PM CDT for 7 counties in Alabama. It was in force for 54 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 21, 2012, 3:36 PM CDT (20:36 UTC)
- Expired
- May 21, 2012, 4:30 PM CDT
- In force
- 54 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Butler County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Monroe County, AL, Wilcox County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.6 hours before the alert went out and 176 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
- 468 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1309 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
664 WUUS54 KMOB 212036 SVRMOB ALC013-025-035-039-041-099-131-212130- /O.NEW.KMOB.SV.W.0060.120521T2036Z-120521T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 336 PM CDT MON MAY 21 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BUTLER COUNTY IN SOUTH CENTRAL ALABAMA... NORTHERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA... NORTHWESTERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA... SOUTHWESTERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA... MONROE COUNTY IN SOUTH CENTRAL ALABAMA... SOUTHEASTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA... EAST CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA... * UNTIL 430 PM CDT * AT 332 PM CDT...A DEVELOPING LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES SOUTHEAST OF GREENVILLE TO 12 MILES WEST OF MONROEVILLE...AND MOVING EAST AT 30 MPH. * LOCATIONS IMPACTED INCLUDE... MCKENZIE... I65 AND CR 7... I65 AND AL 185... I65 AND AL 106... I65 AND AL 10... GREENVILLE... GEORGIANA... FOREST HOME... CHAPMAN... THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 92 AND 135. LAT...LON 3147 8637 3133 8764 3179 8770 3193 8642 TIME...MOT...LOC 2035Z 282DEG 26KT 3172 8647 3156 8751 $$
2 follow-up statements
815
WWUS54 KMOB 212054
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
354 PM CDT MON MAY 21 2012
ALC025-131-212103-
/O.CAN.KMOB.SV.W.0060.000000T0000Z-120521T2130Z/
WILCOX AL-CLARKE AL-
354 PM CDT MON MAY 21 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR EAST
CENTRAL CLARKE AND SOUTHEASTERN WILCOX COUNTIES...
AT 350 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR EAST CENTRAL
CLARKE AND SOUTHEASTERN WILCOX COUNTIES HAS MOVED OUT OF THE COUNTY
SO THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3133 8764 3143 8765 3141 8760 3145 8757
3148 8757 3152 8762 3156 8757 3169 8757
3170 8751 3179 8748 3181 8730 3179 8698
3173 8684 3176 8640 3147 8637
TIME...MOT...LOC 2053Z 321DEG 22KT 3156 8643 3147 8689
3158 8733 3141 8747
$$
ALC013-035-039-041-099-212130-
/O.CON.KMOB.SV.W.0060.000000T0000Z-120521T2130Z/
BUTLER AL-CONECUH AL-COVINGTON AL-CRENSHAW AL-MONROE AL-
354 PM CDT MON MAY 21 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR MONROE...SOUTHWESTERN CRENSHAW...NORTHWESTERN COVINGTON...
NORTHERN CONECUH AND SOUTHERN BUTLER COUNTIES...
AT 350 PM 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 SOUTHWEST OF LUVERNE TO 5 MILES NORTH OF
EVERGREEN TO 6 MILES NORTH OF MONROEVILLE TO 6 MILES WEST OF FRISCO
CITY...MOVING SLOWLY SOUTHEAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
MCKENZIE... I65 AND CR 7... I65 AND AL 106...
GEORGIANA... CHAPMAN... VREDENBURGH...
PETERMAN... MONROEVILLE... MEGARGEL...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 92 AND 121.
LAT...LON 3133 8764 3143 8765 3141 8760 3145 8757
3148 8757 3152 8762 3156 8757 3169 8757
3170 8751 3179 8748 3181 8730 3179 8698
3173 8684 3176 8640 3147 8637
TIME...MOT...LOC 2053Z 321DEG 22KT 3156 8643 3147 8689
3158 8733 3141 8747
$$987
WWUS54 KMOB 212119
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
419 PM CDT MON MAY 21 2012
ALC041-212128-
/O.CAN.KMOB.SV.W.0060.000000T0000Z-120521T2130Z/
CRENSHAW AL-
419 PM CDT MON MAY 21 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
SOUTHWESTERN CRENSHAW COUNTY...
AT 413 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHWESTERN
CRENSHAW COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3133 8764 3143 8765 3141 8762 3142 8759
3152 8755 3174 8730 3165 8650 3153 8650
3153 8640 3148 8637
TIME...MOT...LOC 2118Z 321DEG 22KT 3144 8632 3135 8678
3146 8722 3129 8736
$$
ALC013-035-039-099-212130-
/O.CON.KMOB.SV.W.0060.000000T0000Z-120521T2130Z/
BUTLER AL-CONECUH AL-COVINGTON AL-MONROE AL-
419 PM CDT MON MAY 21 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR MONROE...NORTHWESTERN COVINGTON...NORTHERN CONECUH AND SOUTHERN
BUTLER COUNTIES...
AT 413 PM 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 13 MILES NORTHEAST OF ANDALUSIA TO 8 MILES EAST
OF EVERGREEN TO 6 MILES EAST OF MONROEVILLE TO 7 MILES SOUTH OF
FRISCO CITY...MOVING SOUTHEAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
MCKENZIE... I65 AND CR 7... I65 AND AL 106...
GEORGIANA... PETERMAN... MONROEVILLE...
MEGARGEL... FRISCO CITY... EXCEL...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 92 AND 116.
LAT...LON 3133 8764 3143 8765 3141 8762 3142 8759
3152 8755 3174 8730 3165 8650 3153 8650
3153 8640 3148 8637
TIME...MOT...LOC 2118Z 321DEG 22KT 3144 8632 3135 8678
3146 8722 3129 8736
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 2:03 PM CDT | Special Marine Warning | MOB | 87 min | |
| May 21, 2:54 PM CDT | Severe Thunderstorm Warning | MOB | Monroe, Wilcox | 51 min |
| May 21, 3:04 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 19 min |
| May 21, 3:08 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Monroe | 52 min |
| May 21, 3:11 PM CDT | Special Marine Warning | MOB | 59 min | |
| May 21, 4:26 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 64 min |
| May 21, 4:32 PM CDT | Special Marine Warning | MOB | 88 min | |
| May 21, 4:54 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia, Mobile | 51 min |
| May 21, 5:48 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia, Mobile | 57 min |
| May 21, 6:56 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 64 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.