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December 2016
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Archive for December, 2016

The Week Ahead: Showers, Heavy Mountain Snow

  Forecast Summary • on-shore flow with showers and heavy mountain snow today • NWS Winter Storm Warning in effect for the Cascades • next frontal system is forecast to arrive on Thursday • colder with rain/snow showers likely over New Year’s weekend • extended forecasts strongly suggest frigid conditions next week   Resources NWS […]


More Wind, Waves and Tides

  A large wind storm that landed well to our north provided strong southwesterly winds this morning. It also provided another, albeit non-King Tide, chance to monitor tides and coastal flooding.   Wind readings from around the Sound more or less came in at 20mph sustained with gusts to about 30mph, notably weaker than recent […]


Wind, Waves and Tides

  Last Monday’s weather forecast was not that exciting: a few snowflakes; otherwise cold and dry. More noteworthy was the fact that another round of King Tides was imminent. Predicted water levels Wednesday through Sunday were over 12-and-half feet (relative to mean lower-low water).   The good news was that the same high pressure that […]


The Week Ahead: Slightly Warmer and Wetter

  Forecast Summary • NWS coastal flood advisory in effect: wind and waves likely to cause minor impacts to south facing beaches (Alki and West Point) this morning. • pair of frontal systems will pass today through tomorrow and provide rain and mountain snow. • Wednesday looks dry before the next series of systems arrives […]


The Week Ahead: Cold and Snow Repeat

  Forecast Summary Similar pattern to last week… • No NWS advisories in effect; however King Tides are this week. • Diminishing shower activity today, possible rain/snow convergence zone event this afternoon. • Cold and dry tomorrow and Wednesday. • Light snow/rain possible on Thursday/Friday. • Extended forecasts suggest near normal conditions.   Water Supply […]


Warmest November

    A stat largely lost in the shuffle toward early December snow is that SeaTac’s average temperature last month was 50.87 degrees. That’s its warmest November since records began there in 1949 (Downtown Seattle averaged 51.9 degrees in November 1899).   9 out of SeaTac’s 12 warmest all-time months have occurred this decade. 8 […]