A Major Improving Trend

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The heavy precipitation event is over now...and some of the rainfall totals in the mountains were impressive: over the past 48 hrs this is how much rain fell:

Snoqualmie Pass 8.66 inches
Stampede Pass 8.60
Rainier Paradise 6.74
Hoh Ranger Station 6.40

while at Sea Tac is was only 1.15 and at the UW about .5 inch. A wonderful example of what happens here under strong westerly flow--lots of precipitation on the western slopes of the mountains and a mega rainshadow over the lowlands downstream of the Olympics and the Mts. of Vancouver Island. We did get a Puget Sound convergence zone forming late yesterday and it was evident this morning (see radar and sat picture). As westerly winds move around the Olympics they converge--providing upward motion and a band of clouds and often precipitation.

The CZ will weaken today, with party clouds skies...and yes, even some sun. By the air mass is cooler and we will stay in the lower 50s in general.

Just a note: I will be on KUOW tomorrow at 9 AM for an hour and then will give a talk on local weather (and sign my book) on Saturday at 2 PM at the downtown (central) Seattle Public Library.
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