Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 85, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 30, 2012, 7:15 PM CDT for Choctaw County, Alabama. It was in force for 60 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 30, 2012, 7:15 PM CDT (00:15 UTC)
- Expired
- May 30, 2012, 8:15 PM CDT
- In force
- 60 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 156 km from the middle of the area, began a volume at 00:19 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 00:00Z, 0.3 hours before the alert went out and 187 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
- 22 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 2709 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
268 WUUS54 KMOB 310015 SVRMOB ALC023-310115- /O.NEW.KMOB.SV.W.0085.120531T0015Z-120531T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 715 PM CDT WED MAY 30 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL CHOCTAW COUNTY IN SOUTHWEST ALABAMA... * UNTIL 815 PM CDT * AT 714 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 7 MILES SOUTHWEST OF BUTLER...OR 4 MILES NORTHEAST OF NEEDHAM...AND MOVING NORTH AT 5 MPH. * LOCATIONS IMPACTED INCLUDE... NEEDHAM... BUTLER... PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CALL (800) 284-9059. && LAT...LON 3218 8837 3215 8807 3191 8822 3197 8842 TIME...MOT...LOC 0015Z 199DEG 3KT 3202 8829 $$
2 follow-up statements
400 WWUS54 KMOB 310030 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 730 PM CDT WED MAY 30 2012 ALC023-310115- /O.CON.KMOB.SV.W.0085.000000T0000Z-120531T0115Z/ CHOCTAW AL- 730 PM CDT WED MAY 30 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL CHOCTAW COUNTY... AT 728 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 9 MILES SOUTHWEST OF BUTLER...OR 3 MILES EAST OF NEEDHAM...MOVING EAST AT 10 MPH. LOCATIONS IMPACTED INCLUDE... NEEDHAM... BUTLER... PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CALL (800) 284-9059. && LAT...LON 3218 8837 3215 8807 3191 8822 3197 8842 TIME...MOT...LOC 0030Z 255DEG 11KT 3198 8827 $$
785 WWUS54 KMOB 310106 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 806 PM CDT WED MAY 30 2012 ALC023-310116- /O.EXP.KMOB.SV.W.0085.000000T0000Z-120531T0115Z/ CHOCTAW AL- 806 PM CDT WED MAY 30 2012 ...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR CENTRAL CHOCTAW COUNTY... AT 805 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL CHOCTAW COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE AT 815 PM CDT. TO REPORT SEVERE WEATHER...CALL (800) 284-9059. LAT...LON 3218 8837 3215 8807 3191 8822 3197 8842 TIME...MOT...LOC 0106Z 255DEG 11KT 3201 8814 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 3:02 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 58 min |
| May 31, 4:40 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 50 min |
| May 31, 5:05 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Washington | 40 min |
| May 31, 5:59 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 46 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.