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Weather Brief Oct 16, 2019

Midcoast Forecast - October 16, 2019 PM

The Midcoast is gearing up for the first nor'easter of the season that will bring strong wind and heavy rain starting Wednesday night with impacts continuing through Thursday and Friday. A broad area of low pressure moving east through the Great Lakes Wednesday will redevelop off the Mid Atlantic coast Wednesday night then move north and northeast into western New England Thursday morning while intensifying. The storm will nearly stall over western New England through Thursday morning then track east along the Maine coast Thursday afternoon before clearing to the east into the Canadian Maritmes Friday. Although this storm will bring a good rain to Maine, winds will be the biggest concern. The combination of strong winds and a good amount of foliage still remaining, power outages will be likely.

We'll see southeast winds begin to increase during the early night Wednesday then become strong out of the east after Midnight, howling off the ocean and onto the Maine coast with sustained winds mainly between 20-30mph with gusts increasing between 50-60mph. We'll likely see the peak of these winds right around daybreak Thursday morning then decrease to 15-20mph sustained with gusts to 35mph while turning more southeast through the morning. Brisk winds will continue through Thursday afternoon becoming west then northwest into the overnight with sustained winds of 15-20mph continuing with occasional gusts to 30mph. Winds will hold out of the northwest in a similar manner though Friday morning before starting to weaken into the weekend. A High Wind Warning is in effect along the coast through Thursday morning due to the excessive winds expected.

Rainfall will begin ahead of this system during the early night Wednesday, becoming heaviest during the early morning on Thursday. We'll see some dry air wrap into the system through Thursday morning and into the afternoon that will decrease rainfall rates around the midday hours with another round of more organized rain during the late afternoon and evening. Showers will gradually clear during the overnight hours with lingering clouds into Friday. Rainfall totals will range between 0.5" to 1.5" with locally higher amounts to 2" possible.

A Storm Watch is in effect along the Maine coast with a Storm Warning in effect through the central Gulf of Maine for Wednesday night and into Thursday with storm force winds of 48-63 knots possible over open waters. Wave heights will gradually build Wednesday night and into Thursday reaching between 13-18 feet offshore Thursday. Seas will climb up to 6 feet for Penobscot Bay. Seas will gradually subside Friday and into the weekend as the storm moves out and winds decrease.

We'll see fair weather and light winds return for the weekend as high pressure builds into the region with highs holding in the 50s to near 60. Rain returns on Tuesday.

 

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