Saturday, October 29, 2011

Winter Weather Is In Sight

Since the early season heavy snow 3 weeks ago, the pattern for Star Valley has been generally dominated by high pressure and little in the way of active weather. In the wake of the  storm system earlier this week that ushered in the coldest air of the fall, the pattern into the first of the week will be controlled by a storm track remaining north of Star Valley.

However the longer range forecast models are now indicating a major change to the jet stream location  by the middle of the coming week.  Initially a trough of low pressure  will move through the Great Basin by later Tuesday with most of the precipitation moving through Nevada into Utah to the south of  Star Valley.  Then by Thursday a fair but cool day will prevail.  The longer range forecast models are now indicating a much stronger and potentially significant Winter Like Storm will develop across southern Idaho/Nevada into Utah by early Friday.  This storm has the potential for spreading widespread snow to the valley floors...including the lower elevations of Idaho and Northern Utah during the day Friday, impacting travel conditions in most routes out of Star Valley

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