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Mother's Day 2017 is expected to be cooler than average and on the wetter side across many areas of the Northwest and Northeast U.S. A system moving into the west coast will bring unstable weather from the Pacific Northwest all the way to the Rockies.
MOTHER'S DAY | Potential Nor'Easter

Mother's Day: Wet on both coasts, Nor'easter developing


Saturday, May 13, 2017, 1:37 - Mother's Day 2017 is expected to be cooler than average and on the wetter side across many areas of the Northwest and Northeast US. A system moving into the west coast will bring unstable weather from the Pacific Northwest all the way to the Rockies.

Some spotty showers may also develop across the Central and Southern Plains but the most active weather will be associated with a slow moving system that is expected to intensify into a Nor'easter as it slides up the eastern seaboard late Saturday into Sunday.

Below: A look at the jet stream on Mother's Day (Courtesy: WeatherBell)

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The Jet Stream configuration for the weekend displays an Omega Block pattern, one which will bring cooler air into the Pacific Northwest and from the Great Lakes into areas of the Northeast.

Precipitation totals Saturday through Sunday (National Weather Service/Weather Prediction Center)

Precipitation totals Sunday through Tuesday Monday


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The exact timing and position of the potential weekend nor´easter will be clearer as the week progresses. The latest model runs anticipate Mother's Day to be marked by persistent rain showers, gusty winds and below average temperatures across much of the Northeast.

New York's high for Sunday is expected to top off at 57oF, the same temperature predicted for Chicago. Boston will stay in the low 50's, while some cities in the west will also experience below average values as is the case of Seattle with and expected high of 57oF or Los Angeles with a daytime maximum temperature of 73oF.


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Wet windy weekend across the eastern seaboard

A low pressure center moving across southeast Canada during the weekend will spread showers from Wisconsin into Michigan, Ohio and Pennsylvania. The western slopes of the northern Appalachians and the western shores of Lakes Ontario and Erie could see some of the more intense weather action.

Click play to watch below: Potential storm track (subject to change, check back regularly for updates)

Another system brings unsettled weather to West

And while showers spread across the east, expect another system to bring unstable weather to the Northwest. Rain showers are expected along the Washington, Oregon and northern California coast on Sunday. Some of those showers will also move into the Intermountain West, the extreme northern Rockies and the Northern Plains as the day progresses. High terrain areas could also see some snow accumulation.

Below: Places most likely to see precipitation on Mother's Day (Courtesy: National Weather Service)

Gusty winds on both coasts

Depending on how close to the coast the expected nor´easter end´s up moving during the weekend, wind speeds will vary in intensity. The current expected track would produce gusty north and northeast winds along coastal areas of New England late Saturday and on Mother's Day. On the opposite side of the country, gusty north and northwesterly winds are expected to affect much of the coast of California making daytime temperatures even cooler.

Press play to watch below: Wind Forecast

On the opposite side of the country, gusty north and northwesterly winds are expected to affect much of the coast of California making daytime temperatures even cooler.


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Beyond the two areas of widespread instability in the Northwest and Northeast, some shower activity is also expected early Sunday across the Central Rockies, southeast New Mexico, Oklahoma and Western Texas. During the evening hours most of the unstable weather should vanish from these areas of the Central US as high pressure takes over.

Be sure to check back regularly for updates on these developing systems.

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Thumbnail image source

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