Cold air with snow and record-breaking chilly temperatures moved in Saturday morning, with some odd climate options thrown in. And even an early snow document in Spokane.
Snow Spokane on Saturday, Picture courtesy of u/VeeMeeVee
Temperatures this (Sunday) morning dropped to beneath freezing over each jap Washington and far of the west–the first frost of the season for a lot of western Washington.
Take a take a look at this morning’s minimal temperatures (see beneath, click on on picture to broaden). Lots of beneath freezing temps within the west, however jap WA actually impresses, with chilly valley websites entering into the one digits.
If you ever need to recognize the cold-blocking capabilities of the Rocky Mountains, look at a broader plot of final night time’s lows (see beneath). Below-zero temperatures all over western Montana. The coldest air of the continental inside is blocked by the Rockies, and jap Washington will get the warmed over chilly leftovers. Western Washington, protected by the Cascades will get the tepid stays of jap Washington’s chilly meal. A greater cease this metaphor earlier than it will get me into bother.
Records-galore for chilly and snow have been damaged throughout final 48h. For instance:
- Spokane had 7 inches of snow on the bottom Saturday morning, the snowiest October day of their lengthy 135 12 months historic document.
- Spokane’s most temperature of 31° F Saturday was the earliest subfreezing most temperature within the 135 12 months historic document.
- -10 F at Cut Bank MT broke a every day document which had stood for 101 years.
- -13 F at Puntzi Mtn Airfield in BC seems to be an October document low temperature:
- Numerous places within the area tied or beat their every day document low temperatures for the date.
The seen satellite tv for pc footage had had quite a few fascinating options. The snow throughout jap Washington is clearly evident (blue arrow) within the imagery in the present day and you can too view the appreciable snow over the north Cascades.
Stranger maybe is the skinny tendril of clouds that prolonged westward from the Olympic Peninsula coast on Saturday after which swung to the south and southeast offshore (see beneath). This characteristic resulted from the easterly offshore circulation, with northeasterly and southeasterly air flows (blue arrows) converging offshore and producing upward movement and that fascinating cloud line.
The National Snow Analysis reveals an enormous enhance over the last week (left picture is in the present day, proper picture on October 18th).
And we’re means forward of final 12 months on the identical time (see beneath)
If you need to see a picture that may be a bit misleading however a variety of enjoyable, beneath is the present share of regular snowpack from the US Snotel community: TWO THOUSAND PERCENT OF NORMAL over NE Washington and practically 1000% of regular over the north Cascades. Values which may trigger inveterate skiers to run for his or her gear! But this early within the season, such percentages imply little, as do the loopy low values we noticed in late spring.
Expect dry and moderating climate throughout the subsequent few days._________________________________
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