Wednesday, April 15, 2020

Weather Discussion for Wednesday April 15, 2020

Normal high/ low temperatures for April 13-April 20 (high/low) Redding 72/47, Chico 73/44, Quincy 65/32, Chester 59/28, Susanville 63/34, Grass Valley 63/40, Weaverville 67/35, Mt. Shasta 59/35, Yreka 65/35,  Alturas 61/29
  
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

This morning's satellite picture (below) shows the closed or cut-off low pressure area off the coast and dropping southward.  The low will move inland over Southern California late Friday.  This is a weak system without much moisture.  We will see a few clouds at times from this low today through Friday.  Thursday and Friday there could be some isolated afternoon and evening showers or thunderstorms over the Sierras from Mt lassen southward.  Temperatures will continue above normal.  Gusty north winds will occur in some areas Thursday.  

Friday and Saturday look partly to mostly sunny with afternoon and evening clouds over the mountains.  Temperatures will be slightly above normal with light winds.  

Sunday the jetstream will begin split and break under the high pressure ridge that is off the coast (see map below).  The weaker southern branch of the jetstream will push a low pressure area toward Northern California late Sunday and Monday.  This system will bring scattered light showers to the north state Monday.  

Another low pressure area could break under the high and reach the coast Wednesday and Thursday.


The Old Forecaster

Click here for latest infrared satellite picture
Click here for latest Cal Trans Chain Control 

CALTRANS is working and their web pages.  Until I get a good URL.  Try this link  you will have to move the page to see our area. 



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