Wednesday, May 30, 2018

Weather Washington Cascades: Extended Outlook

Issued May 30, 2018

For the first 10 days of June we can expect a ridge of high pressure (see map)  at times followed by weak troughs of low pressure that move in from the west. This type of pattern will bring normal to above normal temperatures with generally below normal precipitation.

500 mb (18,000') for June 8- ridge over the west coast

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