Tuesday, July 31, 2018

Weather Discussion for Tuesday July 31, 2018

Normal high and low temperatures for July 23-July 30  (high/low) Redding 100/67, Chico 975/61, Quincy 91/45, Chester 88/47, Susanville 90/52, Grass Valley 90/58, Weaverville 97/50, Mt. Shasta 88/52, Yreka 94/54, Alturas 90/46

This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring.

Thought I would do a Thursday update now that we are back home.    High pressure is over the west and will slowly weaken through Friday.   This means continued above normal temperatures but a degree or two of cooling each day.   Winds will be light nights and mornings and southwest to northwest in the afternoon.

Saturday and Sunday a low pressure trough will move into western Canada (see map below).  This will bring further cooling with temperatures below normal by Sunday.   The trough will also bring increased afternoon south to southwest winds.  Monday and Tuesday we will continue to see slightly below normal temperatures as the trough moves slowly eastward.
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Smoke will continue to be a problem for the at least the next 3 ro 4 days.  The fires are still active and the upper level west winds will continue to dump it in the valley.

The Old Forecaster

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