Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 183, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 16, 2012, 2:35 PM CDT for Clarke County, Monroe County, Alabama. It was in force for 30 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, 2:35 PM CDT (19:35 UTC)
- Expired
- Aug 16, 2012, 3:05 PM CDT
- In force
- 30 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Clarke County, AL, Monroe County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.6 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
- 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.
562 WUUS54 KMOB 161935 SVRMOB ALC025-099-162030- /O.NEW.KMOB.SV.W.0183.120816T1935Z-120816T2030Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 235 PM CDT THU AUG 16 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA... EAST CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA... * UNTIL 330 PM CDT * AT 231 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OVER 60 MPH WAS LOCATED 15 MILES EAST OF GROVE HILL...OR 11 MILES EAST OF WHATLEY...AND MOVING SOUTHEAST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... PETERMAN... MONROEVILLE... LAT...LON 3171 8715 3147 8728 3166 8766 3182 8757 TIME...MOT...LOC 1935Z 295DEG 9KT 3170 8751 $$
1 follow-up statement
779 WWUS54 KMOB 162005 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 305 PM CDT THU AUG 16 2012 ALC025-099-162015- /O.CAN.KMOB.SV.W.0183.000000T0000Z-120816T2030Z/ MONROE AL-CLARKE AL- 305 PM CDT THU AUG 16 2012 ...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR EAST CENTRAL CLARKE AND NORTHERN MONROE COUNTIES... AT 304 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR EAST CENTRAL CLARKE AND NORTHERN MONROE COUNTIES HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. TO REPORT SEVERE WEATHER...CALL (800) 284-9059. LAT...LON 3171 8715 3147 8728 3166 8766 3182 8757 TIME...MOT...LOC 2005Z 295DEG 9KT 3167 8743 $$
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, 3:34 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 29 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.