Strong Wind — Western Addison, Vermont

2021-12-11 to 2021-12-12 · Western Addison, Vermont

Event narrative

Isolated to scattered tree limbs downed by strong winds.

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 988491. Narrative written by the NWS forecast office that issued the report.