Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 79, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 30, 2012, 5:14 PM CDT for Choctaw County, Alabama. It was in force for 24 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, 5:14 PM CDT (22:14 UTC)
- Expired
- May 30, 2012, 5:38 PM CDT
- In force
- 24 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Jackson/Brandon,MS radar (KDGX), 163 km from the middle of the area, began a volume at 22:15 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, 10.2 hours before the alert went out and 171 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
- 93 J/kg
- Mixed-layer CIN
- -271 J/kg
- Mixed-layer LCL
- 1289 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
939
WUUS54 KMOB 302214
SVRMOB
ALC023-302300-
/O.NEW.KMOB.SV.W.0079.120530T2214Z-120530T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
514 PM CDT WED MAY 30 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 600 PM CDT
* AT 513 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 12 MILES NORTH OF BUTLER...OR 3 MILES
NORTHWEST OF LISMAN...AND MOVING NORTHWEST AT 5 MPH.
* LOCATIONS IMPACTED INCLUDE...
LISMAN...
LAT...LON 3223 8810 3215 8829 3231 8843 3231 8842
3231 8814
TIME...MOT...LOC 2214Z 152DEG 7KT 3227 8825
$$1 follow-up statement
555
WWUS54 KMOB 302238
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
538 PM CDT WED MAY 30 2012
ALC023-302249-
/O.CAN.KMOB.SV.W.0079.000000T0000Z-120530T2300Z/
CHOCTAW AL-
538 PM CDT WED MAY 30 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR NORTH
CENTRAL CHOCTAW COUNTY...
AT 536 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTH CENTRAL
CHOCTAW COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3223 8810 3215 8829 3231 8843 3231 8842
3231 8814
TIME...MOT...LOC 2239Z 152DEG 7KT 3231 8828
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 9:32 PM CDT | Special Marine Warning | MOB | 88 min | |
| May 30, 2:23 AM CDT | Severe Thunderstorm Warning | MOB | Covington | 37 min |
| May 30, 2:12 PM CDT | Special Marine Warning | MOB | 93 min | |
| May 30, 2:54 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 66 min |
| May 30, 3:00 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 60 min |
| May 30, 3:19 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 56 min |
| May 30, 4:03 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 57 min |
| May 30, 4:12 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 37 min |
| May 30, 4:16 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 59 min |
| May 30, 4:21 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 54 min |
| May 30, 5:06 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Monroe | 54 min |
| May 30, 5:38 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 67 min |
| May 30, 5:52 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 29 min |
| May 30, 6:20 PM CDT | Severe Thunderstorm Warning | MOB | Covington, Escambia | 32 min |
| May 30, 6:47 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.