Tuesday, April 15, 2014
A couple of weak waves will move through the area tonight and tomorrow with some cooling but little or no precipitation expected for our area. The first wave is mostly north of us tonight while the second wave is mostly south of us tomorrow and should produce light precipitation for central and southern Colorado.
Thursday will start cool but warm up nicely as a transient ridge moves over our area. Friday will be warmer, though there may be rain showers in the afternoon as the warm southern portion of a split trough is forecast to bring moisture into Colorado. The storm is fairly disorganized, and what cold air there is should bring our best precipitation Saturday afternoon or evening, though snow accumulations will be limited to the higher elevations.
There may be afternoon convection Sunday and Monday afternoon, though the warming and stabilizing airmass will limit those showers on Monday. Tuesday should be warm and dry before another major storm is forecast to enter the west coast around then. There is a lot of model uncertainty on how this energy interacts with the west coast ridge, as the European ECMWF keeps the wave progressive while the American GFS cuts this off to our southwest and brings it over our area midweek. Details will evolve in future model runs as our active spring weather continues.
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