Monday, July 27, 2020

Weather Discussion for Monday July 27, 2020

Normal high/ low temperatures for July 27-Aug 3  (high/low) Redding 100/67, Chico 97/60, Quincy 90/44, Chester 87/46, Susanville 90/53, Grass Valley 90/58, Weaverville 96/50, Mt. Shasta 87/51, Yreka 93/54, Alturas 90/44
  
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 picture below is from the morning of the 27th.  To get an updated image click on this   LINK .

I am again posting an animation of the water vapor satellite picture.  This is because the low pressure area is very weak and the water vapor shows it better.  To answer the question from the comments of the last blog.  This water vapor image is from the upper levels of the atmosphere and focuses on moisture at that level.  Approximately 30000 feet. This image is from this morning to get an updated image click the link above.

A weak upper level low pressure area is just off the coast and will move across Northern California today.  The low will trigger thunderstorms over the foothills and mountains with an isolated thunderstorm possible in the north end of the valley.  Temperatures today will be slightly above normal. 

Tuesday will be sunny with above normal temperatures and light winds.  Wednesday there will be some afternoon cumulus and isolated thunderstorms over the higher elevations north and east of the valley.  Temperatures Tuesday and Wednesday will be about 5 degrees above normal.  

The map below shows the weather pattern we will be under Thursday through the weekend.  Strong high pressure will be over the western U.S. with a low pressure area moving into Canada.  Inland areas will have clear skies with temperatures 3 to 5 degrees above normal.  Winds will light nights and mornings increasing in the afternoon from the south and southwest.

The Old Forecaster

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

CALTRANS traffic cameras  Try this link  you will have to move the page to see our area


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