West Coast Outdoor Weather 10-8-2015
West Coast Outdoor Weather- 10-8-2015. The weekend will bring some moderate precipitation to the Washington Cascades and Olympics. How much? Cumulative totals for Saturday[Read More…]
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Monitoring the Weather for Hikers
In 1857 Dutch professor Christopher Buys Ballot postulated that there was a relationship between wind direction and air pressure. Buys-Ballot’s law provides a rough approximation of the location and direction of the low pressure system as it tracks through a region.
Weather Forecasting in the Backcountry: Thunderstorms
The dark clouds of a thunderstorm provide a strong sense of mass and energy. They can be seen a long way off. Avoid them when possible. As a storm develops you will notice that the clouds may change shape, grow taller and darker. In many cases an anvil shaped cloud growing tall and developing a distinct leading edge maybe observed. This is a sign that a storm is on the way.
El Nino-La Nina Neutral Snow in the Cascades
Outside of the the Neutral phase when temperatures are normal, there are two main phases of ENSO: one is El Nino which occurs when there is above normal SST in the Eastern Pacific.
Thunderstorms – Don’t Wait Until You Hear Thunder
When this low is in place, the Cascades usually get a moist and warm southeast wind pattern and can bring an unstable air mass, which is a very good recipe for thunderstorms.
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