There are clouds and some gentle showers shifting into western Washington this afternoon as monsoonal moisture heads northward.
The newest radar picture reveals among the gentle rain (see under). No lightning is being detected at the moment.
The newest seen satellite tv for pc picture defines the plume of center to excessive clouds from the south entraining into western Washington. Low stratus clouds are west of the Oregon coast.
The NOAA HRRR mannequin, making forecasts each hour, reveals among the gentle rain shifting up into western Washington tonight (the forecast of the simulated radar picture for 9 PM tonight is proven).
Final evening was a heat one at some areas, as proven by the minimal temperatures final evening under. The nice and cozy areas have been discovered on the east aspect of the Sound, the place temps solely dropped to round 70F, and on the jap slopes of the Cascades.
Why so heat in some areas? We began with a sunny, heat day yesterday, after which the clouds streamed in from the south round sundown. Clouds (and the related bountiful moisture within the ambiance) act like a blanket, slowing the traditional nighttime cooling.
Not too long ago, the Northwest has been the warmest a part of the nation in comparison with regular (or climatology). The map under reveals the temperature anomaly (distinction from regular) at round 5000 ft throughout the nations. Darkish orange and purple point out a lot hotter than regular
Our area has been essentially the most anomalously heat as a result of ridge of excessive strain aloft and all that moisture from the south.
Tonight, the upper-level ridge of excessive strain that has given us the heat will weaken and transfer northeastward as an upper-level trough of low-pressure approaches.
The newest NOAA Nationwide Mix of Fashions forecast means that temperatures in Seattle will cool all the way down to round 80F for the subsequent few days (see under). Importantly, the low temperatures will drop to round 60F at evening. Good for opening the home windows and getting a good relaxation.
Japanese Washington will quiet down a bit early subsequent week, with the Tri-Cities going from the low 100s into the mid to higher 90s.
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Atmospheric Sciences 101
Like final 12 months, I’m educating atmospheric sciences 101: a common introduction to climate and local weather, this fall. You may study extra in regards to the class on the class web site. I speak about the whole lot from the fundamentals of the ambiance to climate prediction, thunderstorms, hurricanes, and native climate to international warming and local weather.
I shall be educating the category in individual on the UW, however can even make it obtainable over zoom. Thus, of us can take it remotely.
In case you are over 60, you’ll be able to take the category by means of the ACCESS program for a really nominal cost (one thing like $15). Final 12 months I had over 100 of us accomplish that.
In case you are a UW scholar trying to study climate or a non-student within the subject, I welcome you to affix me this fall. My top quality is on September twenty eighth.
