The air high quality state of affairs stays very poor this morning, with the murk heightened by the combination of fog and low stratus over parts of western Washington. Red (unhealthy) air over Puget Sound, very unhealthy (purple) air over the coast and japanese Cascade slopes), and dangerous (darkish purple) air over the Willamette Valley and southeast Washington.
The values within the Willamette Valley are frightening—many with an AQI over 400– and the mix with fog has resulted in terribly low visibilities. Local climate fanatic, Dr. Peter Benda, introduced Eugene, Oregon to my consideration, the place visibility dropped to ZERO miles (see under). You do not see that fairly often!
There shall be solely slight enchancment through the day as we speak, however tonight the fashions are emphatic that onshore movement will present some aid. The NOAA HRRR-smoke mannequin exhibits poor air high quality over Puget Sound at 11 AM as we speak (see under) and worse over the Willamette Valley and japanese WA and Oregon.
But by 9 PM tonight, the promised aid is on the way in which, with cleaner air pushing in from the west.
And by 11 AM on Monday, critical aid shall be at hand:
I ought to say that one encouraging signal is the thinning of the smoke over western Washington that’s evident within the newest seen satellite tv for pc picture, with the densest smoke being blown to the east (see under). You can occasion see the fog layer.
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