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October 26, 2010 · Marshall County · 2010
EF0

October 26, 2010

5:13 PM
Marshall County, Alabama · Near Albertville (ZIP 35963)
Fatalities
0
Injuries
0
Path Length
0.9 mi
Max Width
50 yd
DateOctober 26, 2010
Time5:13 PM
CountyMarshall
CityAlbertville
Property Loss$5000.00M
Crop Loss$0
SourceNCEI 259757
NWS Birmingham

0.8 SSE Mc Ville - 1.4 ESE Mc Ville An EF-0 tornado with peak winds up to 70 mph produced light sporadic damage along Hamby Road. The damage was relegated to a loss of roof materials on barns and light tree damage. One large tree was snapped by the tornado. A potent upper level trough of low pressure and strong upper jet streak pushed through the Tennessee Valley on the 26th. Unseasonably high temperatures in the upper 70s to lower 80s and dew points in the upper 60s to near 70 produced an unstable environment. Deep layer shear was sufficient for supercell thunderstorms, while low level shear was quite strong as well. As a result, numerous supercell thunderstorms, many of them low topped, erupted in multiple bands across northern Alabama as early as late morning and lasted into the early evening hours. The storms brought the potential for severe weather for around eight hours. Many of the storms contained meso-cyclones, but only four produced brief weak tornadoes. Others produced wind damage associated with the rear flank downdrafts of the storms or with bowing segments. Start: 34.2692/-86.124 End: 34.2693/-86.1085

NWS EF Scale: F0

Event Narrative

An EF-0 tornado with peak winds up to 70 mph produced light sporadic damage along Hamby Road. The damage was relegated to a loss of roof materials on barns and light tree damage. One large tree was snapped by the tornado.

Episode Narrative

A potent upper level trough of low pressure and strong upper jet streak pushed through the Tennessee Valley on the 26th. Unseasonably high temperatures in the upper 70s to lower 80s and dew points in the upper 60s to near 70 produced an unstable environment. Deep layer shear was sufficient for supercell thunderstorms, while low level shear was quite strong as well. As a result, numerous supercell thunderstorms, many of them low topped, erupted in multiple bands across northern Alabama as early as late morning and lasted into the early evening hours. The storms brought the potential for severe weather for around eight hours. Many of the storms contained meso-cyclones, but only four produced brief weak tornadoes. Others produced wind damage associated with the rear flank downdrafts of the storms or with bowing segments.

Outbreak Context

Part of 5-tornado outbreak on October 26, 2010

Shared Episode Narrative

A potent upper level trough of low pressure and strong upper jet streak pushed through the Tennessee Valley on the 26th. Unseasonably high temperatures in the upper 70s to lower 80s and dew points in the upper 60s to near 70 produced an unstable environment. Deep layer shear was sufficient for supercell thunderstorms, while low level shear was quite strong as well. As a result, numerous supercell thunderstorms, many of them low topped, erupted in multiple bands across northern Alabama as early as late morning and lasted into the early evening hours. The storms brought the potential for severe weather for around eight hours. Many of the storms contained meso-cyclones, but only four produced brief weak tornadoes. Others produced wind damage associated with the rear flank downdrafts of the storms or with bowing segments.

Source Data
NCEI Event ID: 259757
SWDI Tornado ID: 2010-10-26T23:09:12Z_KHTX_H7
SWDI Radar Site: KHTX
SWDI Signature: TVS

See Also

0.9 mi50 yd wide