Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 174, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 10, 2012, 4:29 PM CDT for Baldwin County, Alabama. It was in force for 32 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 10, 2012, 4:29 PM CDT (21:29 UTC)
- Expired
- Aug 10, 2012, 5:01 PM CDT
- In force
- 32 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Baldwin County, AL
The radar
The Mobile radar (KMOB), 68 km from the middle of the area, began a volume at 21:32 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.5 hours before the alert went out and 206 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
- 3400 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 530 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
902
WUUS54 KMOB 102129
SVRMOB
ALC003-102215-
/O.NEW.KMOB.SV.W.0174.120810T2129Z-120810T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
429 PM CDT FRI AUG 10 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 515 PM CDT
* AT 422 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 19 MILES NORTH
OF BAY MINETTE...OR 10 MILES EAST OF CALVERT...AND MOVING EAST AT
10 MPH.
* LOCATIONS IMPACTED INCLUDE...
RURAL NORTHWESTERN BALDWIN COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 3105 8792 3116 8794 3115 8790 3116 8789
3115 8787 3117 8788 3116 8788 3117 8786
3121 8787 3121 8785 3124 8785 3122 8784
3125 8783 3127 8769 3124 8762 3104 8762
TIME...MOT...LOC 2129Z 264DEG 7KT 3115 8783
$$1 follow-up statement
170
WWUS54 KMOB 102201
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
501 PM CDT FRI AUG 10 2012
ALC003-102211-
/O.CAN.KMOB.SV.W.0174.000000T0000Z-120810T2215Z/
BALDWIN AL-
501 PM CDT FRI AUG 10 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
NORTHWESTERN BALDWIN COUNTY...
AT 500 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHWESTERN
BALDWIN COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3105 8792 3116 8794 3115 8790 3116 8789
3115 8787 3117 8788 3116 8788 3117 8786
3121 8787 3121 8785 3124 8785 3122 8784
3125 8783 3127 8769 3124 8762 3104 8762
TIME...MOT...LOC 2201Z 264DEG 7KT 3116 8776
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 11:56 AM CDT | Special Marine Warning | MOB | 64 min | |
| Aug 10, 12:12 PM CDT | Special Marine Warning | MOB | 63 min | |
| Aug 10, 1:14 PM CDT | Special Marine Warning | MOB | 91 min | |
| Aug 10, 2:02 PM CDT | Special Marine Warning | MOB | 43 min | |
| Aug 10, 3:31 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 25 min |
| Aug 10, 5:15 PM CDT | Areal Flood Advisory | MOB | Baldwin | 2 hr |
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.