Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 43, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 2, 2012, 4:42 PM CDT for Choctaw County, Washington County, Alabama; Wayne County, Mississippi. It was in force for 33 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
- Apr 2, 2012, 4:42 PM CDT (21:42 UTC)
- Expired
- Apr 2, 2012, 5:15 PM CDT
- In force
- 33 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Choctaw County, AL, Washington County, AL, Wayne County, MS
The radar
The Mobile radar (KMOB), 119 km from the middle of the area, began a volume at 21:44 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, 9.7 hours before the alert went out and 167 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
- 1280 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 566 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -68 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
919
WUUS54 KMOB 022142
SVRMOB
ALC023-129-MSC153-022215-
/O.NEW.KMOB.SV.W.0043.120402T2142Z-120402T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
442 PM CDT MON APR 2 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHWESTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
NORTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 515 PM CDT
* AT 442 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10
MILES EAST OF WAYNESBORO...OR 6 MILES NORTHEAST OF BUCKATUNNA...AND
MOVING NORTH AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
GILBERTOWN...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3159 8834 3158 8859 3187 8861 3190 8848
3190 8831
TIME...MOT...LOC 2142Z 181DEG 18KT 3164 8848
$$
PURDY2 follow-up statements
063
WWUS54 KMOB 022159
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
459 PM CDT MON APR 2 2012
ALC023-129-MSC153-022215-
/O.CON.KMOB.SV.W.0043.000000T0000Z-120402T2215Z/
CHOCTAW AL-WASHINGTON AL-WAYNE MS-
459 PM CDT MON APR 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHEASTERN WAYNE...EXTREME NORTHWESTERN WASHINGTON AND
SOUTHWESTERN CHOCTAW COUNTIES...
AT 459 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR CHAPEL HILL...OR 10 MILES EAST OF WAYNESBORO...MOVING
NORTH AT 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
TOKIO BY 505 PM CDT...
GRETNA AND 8 MILES WEST OF BOLINGER BY 510 PM CDT...
ISNEY...EMORY...7 MILES SOUTH OF EVANSBORO AND 8 MILES SOUTHEAST OF
MATHERVILLE BY 515 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3166 8834 3166 8856 3187 8861 3190 8848
3190 8831
TIME...MOT...LOC 2159Z 178DEG 16KT 3171 8846
$$
PURDY883
WWUS54 KMOB 022217
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
517 PM CDT MON APR 2 2012
ALC023-129-MSC153-022224-
/O.EXP.KMOB.SV.W.0043.000000T0000Z-120402T2215Z/
CHOCTAW AL-WASHINGTON AL-WAYNE MS-
517 PM CDT MON APR 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WAYNE...EXTREME
NORTHWESTERN WASHINGTON AND SOUTHWESTERN CHOCTAW COUNTIES WAS
ALLOWED TO EXPIRE AT 515 PM CDT...
THE THUNDERSTORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS
WEAKENED. THEREFORE...THE WARNING WAS ALLOWED TO EXPIRE AT 515 PM.
THESE STORMS ARE HOWEVER STILL CAPABLE OF PRODUCING WIND GUSTS OF 35
MPH AND HAIL UP TO PENNY SIZE.
LAT...LON 3166 8834 3166 8856 3187 8861 3190 8848
3190 8831
TIME...MOT...LOC 2214Z 178DEG 16KT 3178 8846
$$
PURDYNearby
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.