Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 185, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 16, 2012, 3:34 PM CDT for Wilcox County, Alabama. It was in force for 29 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
- Aug 16, 2012, 3:34 PM CDT (20:34 UTC)
- Expired
- Aug 16, 2012, 4:03 PM CDT
- In force
- 29 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Wilcox County, AL
The radar
The Birmingham radar (KBMX), 137 km from the middle of the area, began a volume at 20:38 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, 8.6 hours before the alert went out and 137 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
- 761 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
541
WUUS54 KMOB 162034
SVRMOB
ALC131-162115-
/O.NEW.KMOB.SV.W.0185.120816T2034Z-120816T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
334 PM CDT THU AUG 16 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 415 PM CDT
* AT 332 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 17 MILES SOUTHEAST OF LINDEN...OR 6
MILES EAST OF MAGNOLIA...AND MOVING SOUTHEAST AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...
BOYKIN... YELLOW BLUFF... CATHERINE...
LAT...LON 3205 8727 3191 8748 3206 8763 3213 8763
3214 8762 3214 8753 3224 8753 3224 8752
TIME...MOT...LOC 2035Z 318DEG 13KT 3214 8756
$$1 follow-up statement
920
WWUS54 KMOB 162103
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
403 PM CDT THU AUG 16 2012
ALC131-162113-
/O.CAN.KMOB.SV.W.0185.000000T0000Z-120816T2115Z/
WILCOX AL-
403 PM CDT THU AUG 16 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
NORTHWESTERN WILCOX COUNTY...
AT 400 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHWESTERN
WILCOX COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
LAT...LON 3205 8727 3191 8748 3206 8763 3213 8763
3214 8762 3214 8753 3224 8753 3224 8752
TIME...MOT...LOC 2103Z 318DEG 13KT 3206 8748
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 10:09 AM CDT | Special Marine Warning | MOB | 96 min | |
| Aug 16, 12:46 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke | 33 min |
| Aug 16, 12:59 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Washington | 22 min |
| Aug 16, 1:36 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 22 min |
| Aug 16, 2:35 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe | 30 min |
| Aug 16, 4:22 PM CDT | Special Marine Warning | MOB | 53 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.