Wednesday, October 18, 2017

Weather Discussion for Wednesday October 18, 2017

Normal high and low temperatures for Oct 16-Oct 23  (high/low)...Redding 78/48, Chico 77/45, Quincy 71/31, Chester 65/31, Susanville 66/34, Grass Valley 71/42, Weaverville 73/34, Mt. Shasta 66/36, Yreka 68/35, Alturas 65/27

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.

Mostly clear skies today with a few high clouds and temperatures about like yesterday.  Winds will be light southerly this afternoon.   This morning's satellite picture (below) shows a low pressure area and frontal system developing in the Gulf of Alaska.  This system is dropping southeastward and the frontal system will pass through Northern California late Thursday and Friday.  Clouds will increase Thursday with rain reaching the coast in the afternoon and spreading eastward during the night.  Light rain is expected over the foothills and mountains with snow levels 5000 to 6000 feet.   Scattered showers are expected in the valley.  The precipitation will be ending by midday Friday.   Another weaker frontal system will brush the north state late Friday and Saturday with light rain or showers over the north coast and across the areas north of Redding. 

Sunday high pressure begins to build over the western U.S. and off the coast.  Skies will be clearing and temperatures will be warming.   A strong high pressure ridge remain over our area through all of next week (see map below).  Temperatures will be 10 to 15 degrees above normal by the early part of next week.  Gusty north winds are expected Sunday and Monday.  

The Old Forecaster.

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