Effectively, it seems it is going to even be most smoky earlier than the rain.
This weekend goes to deliver a mixture of record-breaking temperatures and smoky air….a scenario that can in all probability be extra disagreeable than at the moment.
The seen satellite tv for pc picture this morning round 9 AM confirmed quite a lot of smoke heading into northwest Washington
And later within the day (5 PM proven) air high quality over a lot of western Washington, and significantly Puget Sound, was marginal (crimson colours). I famous the odor of fireplace on the UW this afternoon.
However the scenario goes to get hotter and smokier this weekend.
With excessive stress constructing to the east and a trough of low stress extending up the West Coast, a reasonable offshore stress distinction (increased inland, decrease coast) will lead to easterly (offshore-directed) winds. This easterly circulate will heat additional on the western aspect of the Cascades and coastal mountains.
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This case has its risks.
On Saturday, as heat, gusty easterly circulate surges westward, the dry winds shall be significantly robust close to the Columbia Gorge, one thing illustrated by this graphic exhibiting the HOT-DRY-WINDY index.
We’ll all need to watch out to not begin wildfires over northwest Oregon and southwest Washington.
The nice and cozy, dry air will unfold over western Washington on Saturday with elevated winds on the western slopes of the Cascades. The present fires (e.g., Bolt Creek) will rev up with extra smoke.
And smoke shall be wafted first eastward after which westward, lowering air high quality.
As an example, let me present you the forecasts from the NOAA HRRR smoke mannequin. Beginning with the whole smoke within the vertical, at 5 AM Friday smoke will first pour into japanese Washington and Oregon.
However by 11 PM Friday the smoke will push towards southwest WA and northwest Oregon and start pushing westward throughout the Washington Cascades.
After which on Saturday morning, the smoke will surge into western Washington.
A lot of the smoke shall be aloft, producing a crimson solar, however a few of it is going to attain the floor, as illustrated by the expected floor smoke at 3 PM Saturday.
However the daybreak is coming, and the most recent forecast signifies a radical change to chill, moist climate the following weekend.
