Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 173, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 10, 2012, 3:31 PM CDT for Mobile County, Alabama. It was in force for 25 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, 3:31 PM CDT (20:31 UTC)
- Expired
- Aug 10, 2012, 3:56 PM CDT
- In force
- 25 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Mobile County, AL
The radar
The Mobile radar (KMOB), 13 km from the middle of the area, began a volume at 20:31 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, 8.5 hours before the alert went out and 159 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.
945
WUUS54 KMOB 102031
SVRMOB
ALC097-102115-
/O.NEW.KMOB.SV.W.0173.120810T2031Z-120810T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
331 PM CDT FRI AUG 10 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 415 PM CDT
* AT 331 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 4 MILES WEST OF WEST MOBILE...OR 6
MILES SOUTH OF SEMMES...AND MOVING EAST AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
WEST MOBILE... MIDTOWN MOBILE... DOWNTOWN MOBILE...
TILLMANS CORNER... SEMMES... PRICHARD...
I65 AND US 45... I65 AND I165... I10 AND I65...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 15 AND 28. THIS
INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 10.
LAT...LON 3064 8839 3081 8832 3075 8803 3074 8801
3072 8801 3071 8800 3064 8803 3064 8805
3063 8805 3060 8805 3057 8808 3054 8807
3053 8808
TIME...MOT...LOC 2032Z 290DEG 20KT 3069 8826
$$1 follow-up statement
433
WWUS54 KMOB 102056
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
356 PM CDT FRI AUG 10 2012
ALC097-102106-
/O.CAN.KMOB.SV.W.0173.000000T0000Z-120810T2115Z/
MOBILE AL-
356 PM CDT FRI AUG 10 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR SOUTHERN
MOBILE COUNTY...
AT 354 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHERN
MOBILE COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3064 8839 3081 8832 3075 8803 3074 8801
3072 8801 3071 8800 3064 8803 3064 8805
3063 8805 3060 8805 3057 8808 3054 8807
3053 8808
TIME...MOT...LOC 2056Z 290DEG 20KT 3064 8811
$$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, 4:29 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 32 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.