An Upper Level Low Pressure Trough (“U” shape) moves in to push multiple frontal systems through the Pacific Northwest. The graphics for days 1-3 show a frontal system moving through the Pacific Northwest Sunday into Monday. The graphics for days 3-7 Tuesday through Saturday show frontal systems moving into the Pacific Northwest Tuesday, Thursday, and next Saturday.
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An Upper Level High Pressure Ridge (“Arch” shape) hangs on for one more day today, then wet weather comes to the Pacific Northwest. The graphics for days 1-3 show a frontal systems moving through the Pacific Northwest Sunday. The graphics for days 3-7 Tuesday through Saturday show a frontal system moving between Tuesday and Wednesday, then another front slides in between Thursday and Friday.
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An Upper Level High Pressure Ridge (“Arch” shape) hangs on for one more day, then wet weather comes to the Pacific Northwest. The graphics for days 1-3 show a frontal systems moving through the Pacific Northwest Sunday. The graphics for days 3-7 Monday through Friday show a frontal system moving between Tuesday and Wednesday, then another front slides in between Thursday and Friday.
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An Upper Level High Pressure Ridge (“Arch” shape) takes over bringing sunshine and warmth to the Pacific Northwest. The graphics for days 1-3 show no frontal systems moving toward or through the Pacific Northwest. The graphics for days 3-7 Monday through Friday show frontal system moving in Monday, Tuesday night, and Thursday night into next Friday.
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An Upper Level High Pressure Ridge (“Arch” shape) takes over bringing sunshine and warmth to the Pacific Northwest. The graphics for days 1-3 show no frontal systems moving toward or through the Pacific Northwest. The graphics for days 3-7 Sunday through Thursday show a frontal system moving in Monday and another just offshore Tuesday.
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An Upper Level High Pressure Ridge (“Arch” shape) takes over bringing sunshine and warmth to the Pacific Northwest. The graphics for days 1-3 show no frontal systems moving toward or through the Pacific Northwest. The graphics for days 3-7 Sunday through Thursday show a frontal system moving in Monday and another just offshore Tuesday.
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An Upper Level High Pressure Ridge (“Arch” shape) takes over bringing sunshine and warmth to the Pacific Northwest. The graphics for days 1-3 show no frontal systems moving toward or through the Pacific Northwest. The graphics for days 3-7 Saturday through Wednesday show a frontal system moving in Monday and another just offshore Tuesday.
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Upper Level Low Pressure will be bringing just one more day of rain for the Pacific Northwest. High pressure will return sunny and dry weather toward the end of the week. The graphics for days 1-3 show no frontal systems moving toward or through the Pacific Northwest. The graphics for days 3-7 Saturday through Wednesday show frontal activity next Monday and Tuesday.
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Upper Level Low Pressure (off the Oregon coast) will be bringing more rain to the Pacific Northwest. The graphics for days 1-3 show no frontal systems moving toward or through the Pacific Northwest. The graphics for days 3-7 Friday through Tuesday show a frontal poised off the West Coast next Monday.
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