Tuesday, October 23, 2007

Week of October 22

Short Range- Looks to be a nice warming week ahead after chilly night temperatures and snow from the weekend. A strong ridge will be in place over the Western US while a cutoff Low forms over the SE US and retrogrades westward.

Long Range- By Friday afternoon the cutoff Low will push northward over E Kansas and will also push most of the front, that was expected to impact our area, to the north leaving the tailing end of the front to sweep through on Saturday 10/27 bringing possible rain showers and cooling temperatures. The next major frontal system to watch would be on 11/2. A Low associated with this front stalls in a double barrel Low over Southern CO bringing a very good setup for abundant snow with an upslope component lasting through the weekend and clearing out by Sunday 11/4. Right now the GFS model shows the snow machine starting up on Friday 11/2 midday and increasing intensity Friday night into Saturday morning, and slowing down by Saturday night. Based on the current model run I have, I am projecting accumulations in the 6-8 inch range for the Denver area. This projection is a long range and will need to update timing and details of the system. Check back later for more details...

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