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December 22, 2011 · Autauga, Elmore County · 2011
EF0

December 22, 2011

2:02 PM
Autauga, Elmore County, Alabama · Near Prattville (ZIP 36080)
Fatalities
0
Injuries
0
Path Length
10.2 mi
Max Width
100 yd
DateDecember 22, 2011
Time2:02 PM
CountyAutaugaElmore
CityPrattville
Property Loss$65000.00M
Crop Loss$0
SourceNCEI 355901
NWS Birmingham

3.4 S New Prospect - 5.2 WSW Titus A tornado initially touched down along County Road 57, just south of County Road 49. Here, a mobile home suffered significant roof damage and also damage to its decking material. The tornado continued to the northeast causing tree damage and then crossed Interstate 65 and Highway 31, where additional tree damage occurred. As it continued moving further northeast, it crossed County 68 and Highway 143 where several outdoor building suffered damage and trees were snapped or uprooted. The tornado crossed the Elmore County line where it eventually lifted along Tram Road. A tornado initially touched down along County Road 57, just south of County Road 49 in Autauga County. It moved to the northeast causing damage to a mobile home and tree damage. It crossed the Elmore County line and continued its northeastward progression. A few trees were snapped or uprooted and large branches were downed as well. The tornado eventually lifted along Tram Road. Start: 32.6203/-86.5478 End: 32.7019/-86.4059

NWS EF Scale: F0

Event Narrative

A tornado initially touched down along County Road 57, just south of County Road 49. Here, a mobile home suffered significant roof damage and also damage to its decking material. The tornado continued to the northeast causing tree damage and then crossed Interstate 65 and Highway 31, where additional tree damage occurred. As it continued moving further northeast, it crossed County 68 and Highway 143 where several outdoor building suffered damage and trees were snapped or uprooted. The tornado crossed the Elmore County line where it eventually lifted along Tram Road.

Episode Narrative

In response to a strong upper level shortwave, a surface low developed over the northwestern Gulf of Mexico and rode along a previously stalled front across northwest Central Alabama, Thursday, December 22, 2011. Much of Central Alabama resided in an unseasonably warm airmass, with dewpoints near 70 degrees and CAPE over 1000 J/kg. As the surface low passed over northwest Central Alabama and low level winds backed, helicity increased. Rotating supercells within several thunderstorm complexes produced six tornadoes and isolated wind damage.

Outbreak Context

Part of 6-tornado outbreak on December 22, 2011

Shared Episode Narrative

In response to a strong upper level shortwave, a surface low developed over the northwestern Gulf of Mexico and rode along a previously stalled front across northwest Central Alabama, Thursday, December 22, 2011. Much of Central Alabama resided in an unseasonably warm airmass, with dewpoints near 70 degrees and CAPE over 1000 J/kg. As the surface low passed over northwest Central Alabama and low level winds backed, helicity increased. Rotating supercells within several thunderstorm complexes produced six tornadoes and isolated wind damage.

Source Data
NCEI Event ID: 355901

See Also

10.2 mi100 yd wide