October 1, 2022

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10:40 AM | **Fiona likely to become a “major” while on its “staying out-to-sea” track…impressive late week cool shot in the Mid-Atlantic/Northeast US plays a role** — Arcfield Weather

1 min read

One of the key factors in the “staying out-to-sea” track of Fiona in coming days will be an amplifying upper-level trough over the northeastern states. This intensifying upper-level trough will help to steer Fiona away from the US east coast and will become the catalyst for a much cooler-than-normal air mass to reach the Great Lakes/Mid-Atlantic/Northeast US by the latter part of the week. Down the road, this same upper-level trough could help to “absorb” Fiona and pull it back towards the Canadian Maritime provinces (e.g., Newfoundland) while the northeastern states experience an unusual cool blast. Temperatures on Friday could stay in the 60’s for highs all along the I-95 corridor and a stiff breeze from the north-northwest is possible as well with strong Canadian high pressure combining with the remnants of Fiona to generate a strong pressure gradient.

Meteorologist Paul Dorian
Arcfield
arcfieldweather.com

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Paul Dorian

2022-09-19 14:30:00

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