Wednesday, February 28, 2018

Weather Discussion for Wednesday February 28, 2018

Normal high and low temperatures for Feb 25-March 4  (high/low) Redding 61/41, Chico 63/39, Quincy 54/28, Chester 47/24, Susanville 497/27, Grass Valley 57/37, Weaverville 56/30, Mt. Shasta 49/ 30, Yreka 54/29 Alturas 48/23

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.

A low pressure trough is dropping southeastward from Alaska and will be off the coast tonight through Friday and then move slowly across Northern California on Saturday.

Rain, heavy at times, is expected tonight and Thursday, along with strong gusty south winds.  Wind gusts in north end of the valley will reach 50 mph with 65 mph gusts over the higher elevations.  Snow levels will start out at 2000 to 3000 feet in the north and slightly higher in the south.  Snow levels will rise a little Thursday.  

The precipitation will taper off Thursday night with scattered showers during the night.  During this time the low will push a very cold airmass over the north state.  The next round of precipitation will hit Friday with snow levels down to 500 to  1000 feet in the north and 2000 feet south.  Gusty southerly winds are expected Friday.

Saturday we will see partly cloudy to cloudy skies with scattered showers mainly over the foothills and mountains.  Snow levels will be 1000 to 1500 feet. 

Sunday through Tuesday we will be under a weather pattern like the one shown on the map below.  The jetstream will split as it crosses the Pacific and this will cause a low pressure area to become stationary to our west.  The jetstream will reform by midweek and this will push the off shore low eastward.  This system should bring rain to  our area late Tuesday and Wednesday.  

The Old Forecaster

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