Weather Discussion for Week of Dec. 5, 2010

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Click here for latest water vapor satellite animation Precipitation will become more widespread today as the low pressure area approaches the coast.  This system  will move across northern California tonight and early Monday.  Snow levels today will be 4,500 to 5,500 feet north and 5,500 to 6,500 feet to the south, these levels will drop to 3,500 to 4,000 feet north and near 5,000 feet south late tonight.

There will be a break between storms Monday afternoon and most of Tuesday.   A fairly strong jetstream will develop in the Pacific over the next 48 hours and by Tuesday it will have a series of storms headed toward the west coast.  However, as this is happening, a high pressure ridge will be trying to push northward along the California coast.  The map below for Friday shows this pattern.

While most of the storm’s energy will be to the north of our area, we will still have a fairly wet period from late Tuesday through Friday night.  Heavy precipitation amounts are expected over the coastal and northern mountains, with lighter amounts in the Sacramento Valley and the Sierras.  Snow levels will stay around 4,500 to 5,500 feet north and 5,500 to 6,500 feet south.  The weekend looks dry and warmer as the high pressure ridge becomes more established along the California coast.   This should bring us several days of dry and mild weather in the foothills and mountains with fog in the valley.
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Weather Outlook for Redding, Shasta Lake City, Anderson, Cottonwood, and Red Bluff Today:  Cloudy with showers.  Max temps 52 to 56.  South wind 8 to 16 mph.  Tonight: Partly cloudy with the showers ending.   Min temps 40 to 48.  Light wind. 
Monday: Partly cloudy and foggy in the morning, becoming sunny in the afternoon.  Max temps 54 to 58. South wind 5 to 15 mph. Monday Night: Clear with patchy fog forming after midnight.  Min temps 39 to 46.  Light wind.  Tuesday: Increasing clouds in the afternoon.   Max temps 53 to 58.  South wind 6 to 12 mph.  Tuesday Night: Cloudy with rain after midnight.  Min temps 42 to 47.  South wind 10 to 15 mph.  Wednesday: Cloudy with rain.  Max temps 49 to 54.  South wind 10 to 20 mph.
Wednesday Night: Cloudy with rain.  Min temps 44 to 49.  Light wind.  Thursday: Partly cloudy with showers in the morning.  Max temps 51 to 56.  Southwest to northwest wind 10 to 15 mph. 
Thursday Night: Partly cloudy.  Min temps 37 to 44.  Light wind. Friday: Cloudy with light rain or showers.  Max temps 52 to 57.  South with 7 to 14 mph.  Friday Night: Cloudy with showers.  Min temps 40 to 48.  Light wind.  Saturday: Clearing.  Max temps 55 to 60.  Light wind. 
Saturday Night: Foggy.  Min temps 43 to 49.  Light wind.
The Old Forecaster

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Chris Fontana — a.k.a. “the Old Forecaster” — started his career as a meteorologist with the National Weather Service (NWS) in Sacramento. After four years as a weather officer in the USAF he transferred to the NWS office in Redding. He was the meteorologist in charge of the Redding office from 1976 until it closed in 1996. From 1996 until his retirement in 2005 he was the meteorologist in charge of the USFS Predictive Service Unit. Chris and his wife Jane have been married over 40 years and he works as a window covering installer in her business, Westwood Window Coverings.

A News Cafe, founded in Shasta County by Redding, CA journalist Doni Greenberg, is the place for people craving local Northern California news, commentary, food, arts and entertainment. Views and opinions expressed here are not necessarily those of anewscafe.com.

Chris Fontana
-- a.k.a. "the Old Forecaster" -- started his career as a meteorologist with the National Weather Service (NWS) in Sacramento. After four years as a weather officer in the USAF he transferred to the NWS office in Redding. He was the meteorologist in charge of the Redding office from 1976 until it closed in 1996. From 1996 until his retirement in 2005, he was the meteorologist in charge of the USFS Predictive Service Unit. Chris and his wife Jane have been married over 40 years and he works as a window covering installer in her business, Westwood Window Coverings.
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