• MODIS Pic of the Day 12 March 2023

    From Dan Richter@1:317/3 to All on Sunday, March 12, 2023 12:00:12
    March 12, 2023 - San Bernadino Snowfall

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    A series of storms struck California between mid-February and early
    March, 2023, leaving parts of the state, including the San Bernadino
    Mountains, buried under feet of snow. San Bernadino County issued its
    first-ever Blizzard Warning on February 23. By March 6, media reported
    100-150 inches (8-12 feet) of fresh snow in parts of the San Bernadino
    Mountains, with additional snow falling since that date. Big Bear City
    reported a record one-week total of 80 inches (6.6 feet) of new snow.

    The immense snowfall left many mountain communities stranded. County
    government worked to clear winding, narrow mountain roads that afford
    little opportunity to place snow elsewhere and local residents dug
    themselves and their neighbors out by hand or with private plows, as
    best as they could, with some still digging through record-breaking
    snowfall.

    San Bernadino County is one of 13 in the state under declarations of
    emergency, which allow extra funding and permits extra assistance to
    try to assist the snow-bound towns. While the County is offering to
    provide medicines, food, firewood, and water to residents all for free,
    it can still be challenging to reach distribution points – or for
    county vehicles to reach some towns. Local resources have also been
    stressed by the storm. For example, the roof of the local grocery store
    in Crestline caved in under the weight of the snow.

    On March 10, the County reported that 100 percent of county-maintained
    roads had been serviced and were “passable”, with the definition that
    “passable” means less than 8 inches of snow remaining on the roads.
    Many mountain roads are not maintained by the county, and residents who
    are unprepared for extreme snows may not be able to drive on roads with
    8 inches of snow.

    Storms are expected to continue to strike San Bernadino County in the
    next few days, but the forecast is primarily for rain. Rainfall on snow
    can cause rapid melting, and increases the risk of mudslides and
    flooding.

    The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s
    Terra satellite acquired a false-color image of snow atop Southern
    California’s San Bernadino Mountains on March 9. In this type of image,
    snow looks bright blue, vegetation appears green, open land is tan, and
    deep water, such as the Pacific Ocean (west) and the Salton Sea (inland
    in the south) looks deep inky blue. The brick red area just south of
    center is the burn scar left by at least one of the fires that raged
    over Southern California in the last several years.

    Image Facts
    Satellite: Terra
    Date Acquired: 3/9/2023
    Resolutions: 1km (252.7 KB), 500m (565.2 KB), 250m (1.2 MB)
    Bands Used: 7,2,1
    Image Credit: MODIS Land Rapid Response Team, NASA GSFC



    https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2023-03-12

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