Though the time period heatwave has lately change into a phrase that provokes concern and nervousness, a brief, average warmth wave may be very nice.
A time for swimming, icy drinks, and hanging out at a neighborhood park.
This week we’ll get pleasure from such a welcome interval of heat. In an actual sense, we’re about to cross a meteorological rubicon from a cool/moist spring into gentle/dry summer time.
Under is the newest Nationwide Climate Service forecast for Seattle. Now we have one comparatively dreary day forward (Wednesday), with a excessive of 65F. Thursday is the transition day. Friday will probably be within the mid 70s and Saturday by means of Monday will carry highs into low to mid-80s.
And after our “heatwave”, there will probably be day after day within the 70s.
The nice and cozy interval will probably be related to the event of a average upper-level ridge alongside the West Coast, illustrated by the upper-level (500-hPa stress stage, about 18,000 ft) map at 2 AM Sunday (see beneath).
The floor map at 5 PM Saturday, in the course of the first day of the heat, has excessive stress inland, easterly (offshore-directed) stream, a trough of low stress extending from California northward into western Washington. The basic heat sample (the stable strains are sea stage stress and near-surface temperature is proven by colours).
This warmth wave will probably be fairly typical for this time of the 12 months and could have little in frequent with the nice warmth occasion of late June 2021.
The newest prolonged forecasts counsel a profound change within the climate.
Temperatures over the subsequent 30 days are predicted to be close to regular (see beneath)
Whereas precipitation for the subsequent 30 days is forecast to be beneath regular for a lot of the area.
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Announcement
I will probably be giving a chat on Northwest Climate and signing copies of my up to date e-book (Climate of the Pacific Northwest) on the Northgate (Seattle) Barnes and Noble at 1 PM on Saturday, June twenty fifth.