Saturday, June 16, 2018

Weather Discussion for Saturday June 16, 2018

Normal high and low temperatures for June 11-June 18  (high/low) Redding 90/62, Chico 90/57, Quincy 81/42, Chester 78/41, Susanville 80/45, Grass Valley 80/51, Weaverville 84/44, Mt. Shasta 77/46, Yreka 81/46, Alturas 77/41

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.

The closed or cutoff low pressure area is forming over Oregon.  This low will drop southward across Northern California today and the move slowly eastward and will be over the Great Basin by Tuesday (see map below).  The satellite picture (below) shows the low doesn't have much moisture with it.  However, it will destabilize the atmosphere enough to trigger thunderstorms and showers as it moves through.   This afternoon and tonight there will be scattered showers and thunderstorms over Trinity, Siskiyou, higher elevations of Shasta, Modoc, Lassen, and Plumas counties, with a chance of one moving over the valley north of Red Bluff.  Sunday showers and thunderstorms will be confined to the areas north and east of Redding and Monday they will be along and east of the Sierra Cascade Crest.  Temperatures will be a few degrees below normal through Monday.  Gusty northwest to north winds will occur later today and Sunday.  

Tuesday through next weekend high pressure will be back along and over the coast.   The inland areas of the north state will be sunny with above normal temperatures. 

The Old Forecaster

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