Monday, October 1, 2018

Weather Discussion for Monday October 1, 2018

Normal high/ low temperatures for Oct 1-Oct 8  (high/low) Redding 84/51, Chico 83/49, Quincy 75/34, Chester 70/33, Susanville 70/38, Grass Valley 76/45, Weaverville 78/37, Mt. Shasta 71/37, Yreka 74/38, Alturas 71/31

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 another slow moving closed low pressure area off the coast.  This low is moving very slowly east or southeast and will move inland over Central and Southern California Thursday.  Today through early Thursday Northern California will be partly cloudy to cloudy with scattered showers.  Most of the precipitation will be over the foothills and mountains but isolated activity will also occur over the valley.

Late in the week high pressure will rebuild off the coast (see map below).   This will bring back sunny skies slightly above normal temperatures and periods of gusty north winds. 

The Old Forecaster

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3 comments:

  1. Where does a cut off low get it's energy while not in the jet stream? Does that make sense?

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  2. Seems like we have had quite a few of them this year.

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  3. When a low cutsoff or closesoff from the jetstream it will usually sink southward and use the cold air it has with it to develop showers or thunderstorms. Without a source of cold air they usually weaken until they open up and are pulled back into the main flow

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