Mark Ingalls


  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 1 month ago

    Temperatures in Northwest Oregon and Southwest Washington remained below freezing Sunday after a cold front and low pressure system brought snow and damaging winds to the region. Oregon Public Broadcasting reports […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 1 month ago

    Arctic air diving south out of Canada on Friday and a low pressure system making landfall on the Oregon Coast Saturday will create a dynamic weather pattern through the weekend in the Pacific Northwest. As a […]

  • Thank you for the kind words! I agree, it doesn’t take much stupid driving to create big problems during snow.

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 1 month ago

    An arctic cold front moving southwestward across the Columbia Basin is bringing a plunge in temperatures. When it passed through Moses Lake on Thursday afternoon, the temperature dropped from 32°F (0°C) at 13:45 t […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 1 month ago

    A compact low pressure system embedded within the regional flow pattern is forecast to track near the Portland metro to produce heavy precipitation Tuesday night into early Wednesday morning. This has prompted […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 1 month ago

    A strong low pressure system and associated frontal boundaries are forecast to approach the Pacific Northwest from the northwest producing heavy precipitation and windy conditions throughout the region. Travel is […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 2 months ago

    The National Weather Service has issued a winter weather advisory for the Columbia Basin and Yakima Valley from 10:00 Monday to 10:00 Tuesday. The Cascade Mountains also have an alert posted, but Walla Walla was […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 2 months ago

    A prolonged period of wet weather has begun in the Pacific Northwest to kick off meteorological winter. For most, rain started Thursday and the east wind coming through the Columbia Gorge was cold enough to allow […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 3 months ago

    From about November to February temperature inversions accompanied by low clouds and fog are a common weather feature in the Columbia Basin. These are not unique to the Columbia Basin with many valleys throughout […]

    • One other region notorious for winter inversions: the Po Valley in northern Italy. The city of Milan is infamous for fog & smog.

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 3 months ago

    An increase in seismic activity beneath Mount St. Helens that started on July 15, 2023 continued this week, reports the Cascades Volcano Observatory. Seismologists were able to locate nineteen earthquakes this […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 3 months ago

    A rapidly intensifying low pressure system is moving north through the Gulf of Alaska on Wednesday afternoon. It is forecast to make landfall on or near Alaska’s Kenai Peninsula early Thursday morning.

    Off t […]

  • Sorry to hear the images didn’t work for you but glad the links did!

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 3 months ago

    Surface weather analysis charts are a treasure trove of information about regional and continent-scale weather patterns. They are full of a variety of symbols that can give a good at-a-glance view of what […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 4 months ago

    Ridging over the Pacific Northwest on Wednesday along with a strong low in the Gulf of Alaska are driving mostly sunny and seasonably warm conditions in the Portland area. Meanwhile to the north, a Pineapple […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 9 months ago

    Showers were already being observed in the Columbia Basin and Yakima Valley before 04:00 Monday thanks to an upper level low pressure system centered near Central Oregon. This pattern is pulling moisture up from […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 9 months ago

    Ridging is building over the American West today into the weekend, leading to a regional heat wave in the Pacific Northwest. Above average temperatures are forecast for the Columbia Basin, though things aren’t […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 9 months ago

    Tri-Cities weather
    May 10, 2023

    Starting the day with just a few clouds moving about the Columbia Basin. A weak trough is forecast to pass overhead so that with daytime heating, cumulus development is likely […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 9 months ago

    The medium-range global weather model run by the European Center for Medium-Range Forecasts (ECMWF) is slated to be upgraded to Cycle 48r1 late June 2023. Upgrades or replacements of weather models are common as […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 9 months ago

    Tri-Cities weather
    May 9, 2023

    An upper level low pressure system is moving eastward into the Northern Rockies Tuesday morning. Rain showers and isolated thunderstorms, mostly south of the Tri-Cities, will […]

  • Mark Ingalls wrote a new post on the site Ingalls Weather 1 year, 9 months ago

    Tri-Cities weather • Friday, May 5, 2023

    Expect mostly cloudy skies throughout the day with off and on light rain showers. With the San Francisco low that drove our conditions most of the week having moved o […]

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