Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 186, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 18, 2012, 7:21 PM CDT for Crenshaw County, Alabama. It was in force for 40 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 18, 2012, 7:21 PM CDT (00:21 UTC)
- Expired
- Aug 18, 2012, 8:01 PM CDT
- In force
- 40 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Crenshaw County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 0.4 hours before the alert went out and 169 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
- 1866 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
098
WUUS54 KMOB 190021
SVRMOB
ALC041-190115-
/O.NEW.KMOB.SV.W.0186.120819T0021Z-120819T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
721 PM CDT SAT AUG 18 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 815 PM CDT
* AT 719 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 15 MILES NORTH
OF ANDALUSIA...OR 5 MILES NORTHWEST OF DOZIER...AND MOVING
NORTHEAST AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
RUTLEDGE... PETREY... LUVERNE...
GLENWOOD... DOZIER... BRANTLEY...
LAT...LON 3151 8628 3152 8628 3145 8640 3153 8640
3153 8650 3165 8650 3166 8645 3178 8645
3206 8632 3204 8629 3197 8629 3196 8618
3189 8617 3180 8620 3179 8615 3178 8614
3166 8614 3163 8618 3161 8614
TIME...MOT...LOC 0021Z 216DEG 22KT 3154 8643
$$1 follow-up statement
716
WWUS54 KMOB 190101
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
801 PM CDT SAT AUG 18 2012
ALC041-190112-
/O.CAN.KMOB.SV.W.0186.000000T0000Z-120819T0115Z/
CRENSHAW AL-
801 PM CDT SAT AUG 18 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR CRENSHAW
COUNTY...
AT 756 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CRENSHAW
COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3151 8628 3152 8628 3145 8640 3153 8640
3153 8650 3165 8650 3166 8645 3178 8645
3206 8632 3204 8629 3197 8629 3196 8618
3189 8617 3180 8620 3179 8615 3178 8614
3166 8614 3163 8618 3161 8614
TIME...MOT...LOC 0102Z 216DEG 22KT 3174 8626
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 10:16 AM CDT | Special Marine Warning | MOB | 119 min | |
| Aug 19, 11:38 AM CDT | Special Marine Warning | MOB | 97 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.