Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 132, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 6, 2012, 12:39 PM CDT for Wayne County, Mississippi; Choctaw County, Clarke County, Washington 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
- Jul 6, 2012, 12:39 PM CDT (17:39 UTC)
- Expired
- Jul 6, 2012, 1:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Choctaw County, AL, Clarke County, AL, Washington County, AL, Wayne County, MS
The radar
The Mobile radar (KMOB), 107 km from the middle of the area, began a volume at 17:41 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
Jackson, MS (KJAN), launched 12:00Z, 5.7 hours before the alert went out and 195 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
- 747 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 1412 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
736
WUUS54 KMOB 061739
SVRMOB
ALC023-025-129-MSC153-061830-
/O.NEW.KMOB.SV.W.0132.120706T1739Z-120706T1830Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1239 PM CDT FRI JUL 6 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
WESTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
NORTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 130 PM CDT
* AT 1236 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WAS LOCATED 17 MILES NORTH OF CHATOM...
OR 6 MILES SOUTHEAST OF SILAS...AND MOVING SOUTHWEST AT 15 MPH.
ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS
OVER 60 MPH WAS LOCATED 13 MILES WEST OF GROVE HILL...ALSO MOVING
SOUTHWEST AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...
WAYNESBORO... BUCKATUNNA... SILAS...
GILBERTOWN... JACKSON... COFFEEVILLE...
WAGARVILLE... SAINT STEPHENS... MILLRY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3180 8775 3128 8794 3141 8839 3164 8875
3192 8845
TIME...MOT...LOC 1738Z 055DEG 14KT 3170 8825
$$1 follow-up statement
864
WWUS54 KMOB 061807
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
107 PM CDT FRI JUL 6 2012
ALC023-025-129-MSC153-061830-
/O.CON.KMOB.SV.W.0132.000000T0000Z-120706T1830Z/
CHOCTAW AL-WASHINGTON AL-WAYNE MS-CLARKE AL-
107 PM CDT FRI JUL 6 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR WESTERN CLARKE...EASTERN WAYNE...NORTHERN WASHINGTON AND SOUTHERN
CHOCTAW COUNTIES...
AT 105 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH EXTENDED FROM 5 MILES NORTH OF GROVE HILL
TO 18 MILES NORTHEAST OF CHATOM TO 7 MILES NORTHWEST OF
CHATOM...MOVING SOUTH AT 10 MPH.
LOCATIONS IMPACTED INCLUDE...
MILLRY...
CHATOM...
COFFEEVILLE...
FRANKVILLE...
YARBO...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE ARE DANGEROUS STORMS. PREPARE FOR DAMAGING WINDS. PEOPLE
OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3180 8775 3128 8794 3141 8839 3164 8875
3192 8845
TIME...MOT...LOC 1803Z 022DEG 10KT 3176 8779 3169 8813
3154 8834
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 12:49 AM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Escambia | 41 min |
| Jul 6, 4:52 AM CDT | Special Marine Warning | MOB | 38 min | |
| Jul 6, 5:28 AM CDT | Special Marine Warning | MOB | 92 min | |
| Jul 6, 5:38 AM CDT | Special Marine Warning | MOB | 97 min | |
| Jul 6, 7:03 AM CDT | Special Marine Warning | MOB | 87 min | |
| Jul 6, 7:46 AM CDT | Special Marine Warning | MOB | 89 min | |
| Jul 6, 8:38 AM CDT | Special Marine Warning | MOB | 82 min | |
| Jul 6, 9:19 AM CDT | Special Marine Warning | MOB | 86 min | |
| Jul 6, 9:38 AM CDT | Special Marine Warning | MOB | 85 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.