Strong Wind — Western Franklin, Vermont
2021-12-11 to 2021-12-12 · Western Franklin, Vermont
Event narrative
Scattered tree limbs and small trees downed by strong winds, measured in the mid-upper 40s but estimated locally in excess of 50 mph.
Wider weather episode
A powerful storm system across the Great Lakes on the afternoon of December 11th moved northeast across Ontario and Quebec provinces in Canada during the night. A very powerful jet structure with winds in excess of 100 knots at 5000 feet moved across the eastern Great Lakes, northern NY and eventually VT.
The associated cold front was the demarcation line of mixing these strong winds to the surface. These strong winds in excess of 40-50 mph entered VT around mid-evening and gradually decreased into the 30-40 mph range during the early morning hours of the 12th.
The strongest winds were in northern sections and along the eastern slopes of the Green Mountains. Statewide approximately 15,000 customer power outages.
Source: NOAA Storm Events Database, event_id 988486. Narrative written by the NWS forecast office that issued the report.