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More clouds and cool temps before some warming next week

Posted at 2:26 PM, May 23, 2018
and last updated 2018-06-12 17:24:59-04

The last few week’s has seen a repeated pattern of upper low level systems swinging thru the western U.S.  This has meant deeper marine layer which has cooled not only the coast but the interior valleys as well.  Another one of these features will push into the Central Coast later tonight thru Saturday, the result will be generally cool conditions with clouds and the potential for marine drizzle or mist.  Yesterday computer models were keen on the notion that some real showers would develop.  Today it appears the dynamics with the surface low will track too far north for anything significant.  I am not saying we won’t get mist or drizzle but I don’t see .10” potential, more like .01” where it forms, which looks to be limited to beaches or near coastal valleys.

Thursday-Saturday look this way but later Saturday thru Monday I see high pressure redeveloping which will produce some strong NW winds near the coast at 15-30mph.  This will clear out clouds however since the direction is onshore the amount of warming will be minor.  Further inland I see temps jumping Sunday and Monday into the 80s.  Upper 80s Monday and Tuesday for the interior valleys.

The middle of next week another trough in the upper air will deepen the onshore marine flow and drag temps back down a little.