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Cliff Mass

Cliff Mass is a professor of atmospheric sciences at the University of Washington. He is a fellow of the American Meteorological Society and has been an editor of several meteorological journals. He is the author of the 2008 book “The Weather of the Pacific Northwest” and broadcasts a weekly weather information segment on KPLU, a local public radio station. He regularly writes commentary on weather at on his blog. REI member since 1977.

Latest Articles

  • Skills

    Why We Struggle at Altitude

    2 reviews with an average rating of 2.5 out of 5 stars

    Gaining altitude can make climbing hard, and altimeters are a great way of helping navigate your climb.

  • Skills

    Freezing Level Vs. Snow Level

    13 reviews with an average rating of 3.8 out of 5 stars

    Snow level and freezing level may sound like the same thing, but they actually measure different circumstances. Find out the difference.