Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 210, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Dec 10, 2012, 9:53 AM CST for Choctaw County, Alabama. It was in force for 52 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
- Dec 10, 2012, 9:53 AM CST (15:53 UTC)
- Expired
- Dec 10, 2012, 10:45 AM CST
- In force
- 52 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 144 km from the middle of the area, began a volume at 15:53 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 10, 8:51 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 3.9 hours before the alert went out and 180 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
- 64 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 443 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
966
WUUS54 KMOB 101553
SVRMOB
ALC023-101645-
/O.NEW.KMOB.SV.W.0210.121210T1553Z-121210T1645Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
953 AM CST MON DEC 10 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 1045 AM CST
* AT 948 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 14 MILES SOUTHWEST OF BUTLER...OR 5
MILES WEST OF NEEDHAM...AND MOVING NORTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
TOXEY... SILAS... NEEDHAM...
LISMAN... GILBERTOWN... BUTLER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3207 8810 3205 8811 3190 8812 3182 8818
3175 8814 3172 8814 3173 8846 3177 8847
3223 8842 3232 8822 3231 8807
TIME...MOT...LOC 1552Z 244DEG 35KT 3198 8838
$$1 follow-up statement
150
WWUS54 KMOB 101621
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1021 AM CST MON DEC 10 2012
ALC023-101645-
/O.CON.KMOB.SV.W.0210.000000T0000Z-121210T1645Z/
CHOCTAW AL-
1021 AM CST MON DEC 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM CST
FOR CHOCTAW COUNTY...
AT 1020 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 8 MILES EAST OF BUTLER...OR 6 MILES
WEST OF NANAFALIA...MOVING NORTHEAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
TOXEY... SILAS... NEEDHAM...
LISMAN... GILBERTOWN... BUTLER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3231 8807 3190 8812 3182 8818 3175 8814
3172 8814 3173 8846 3177 8847 3222 8827
TIME...MOT...LOC 1622Z 244DEG 35KT 3211 8807
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 3:51 AM CST | Small Craft Advisory | MOB | 29 hr | |
| Dec 10, 9:43 AM CST | Special Marine Warning | MOB | 2 hr | |
| Dec 10, 10:03 AM CST | Tornado Warning | MOB | Baldwin | 42 min |
| Dec 10, 10:31 AM CST | Severe Thunderstorm Warning | MOB | Washington | 49 min |
| Dec 10, 10:36 AM CST | Tornado Warning | MOB | Choctaw, Washington | 40 min |
| Dec 10, 10:37 AM CST | Tornado Warning | MOB | Baldwin | 38 min |
| Dec 10, 10:58 AM CST | Tornado Warning | MOB | Clarke | 41 min |
| Dec 10, 11:32 AM CST | Severe Thunderstorm Warning | MOB | Mobile, Washington | 42 min |
| Dec 10, 11:36 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 54 min |
| Dec 10, 12:09 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Monroe | 47 min |
| Dec 10, 12:18 PM CST | Severe Thunderstorm Warning | MOB | Butler, Monroe, Wilcox | 42 min |
| Dec 10, 12:30 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Conecuh, Monroe | 28 min |
| Dec 10, 12:32 PM CST | Severe Thunderstorm Warning | MOB | Butler, Wilcox | 29 min |
| Dec 10, 12:37 PM CST | Special Marine Warning | MOB | 92 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.