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Weather Forecast: Slightly Cooler Today

By Rob ELVINGTON
Published On: Jan 17 2014 09:18:12 AM CST
Updated On: Jan 17 2014 09:48:33 AM CST

A weaker ridge of high pressure and lighter winds will help to keep the valley 5-8 degrees cooler this afternoon.

The ridge is slowly starting to break down and the northerly pressure gradient is also relaxing.  This lighter gradient will help to end the Katabatic winds, Chinook winds which will really slow down our warming this morning and afternoon.  Models are even showing a light south winds developing after 12:00 pm, this should also help to keep the valley much cooler compared to the last few days.

Even with a slight cooling trend, afternoon highs will still run ~15 degrees above normal through the next 7 days.

Medium range forecast models continue to show dry weather through the extended forecast.  One reliable model(ECMWF) is showing a far out/unlikely case of a record breaking high over Alaska/Arctic and a trough undercutting it, bringing rain to the Northstate by day 9, 10.  I considered this outcome to be too unlikely and have decided to ignore this as a bad run.