Jul 2, 2014 3:50 PM by Dave Hovde
There is still a bit of a trough off the west coast with a ridge arcing over Utah and Idaho. The upshot is that at the upper levels with winds are W-SW and low level winds are NW which is all onshore and means we'll have night and morning marine clouds and afternoon clearing for several more days.
There is a low clearing the Pac NW later today which should allow for stronger afternoon NW flow and that may speed the clearing of marine layer clouds a bit faster into the weekend, but it'll still be around.
Temps warm a little but only a few degrees. The fireworks forecast should see some re-development of marine layer clouds that evening but the base of the clouds should be high enough for decent fireworks viewing.
There is an interesting potential twist, if we get some high clouds coming up from what is left over from TS Douglas it could interrupt formation of low clouds on Friday night. It is the lower clouds that can interrupt fireworks viewing.
These interactions are subtle and it is actually a complicated forecast for clouds on the night of the 4th but again it is a reason for some optimism about fireworks viewing at the beach shows.
Inland temps will be rather hot over the period, warming into the mid to upper 90s on the 4th with 100 degree heat for the weekend. With the current level of dryness we'll have to monitor fire conditions carefully.
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