Monday, June 20, 2016
The couple of weak waves yesterday and today did little more than keep morning temperatures cool as the strong summer sun quickly modified the airmass. Tuesday should be even warmer than today as the western ridge expands directly over the Rocky Mountains.
Another storm passing well to our north along the Canadian border late Tuesday may shave a few degrees off of Wednesday’s high temperatures as the western ridge flattens, and allows some moisture from the south to move northward across Colorado and produce some afternoon clouds. There may possibly be some high-based and relatively dry mountain storms.
Another stronger storm forecast to be off the Pacific Northwest coast by Thursday will nudge the ridge eastward, allowing a stronger surge of moisture from the south to be drawn northward along the western periphery of the ridge. We should have more extensive cloud cover and our best chance for afternoon storms by Thursday afternoon.
By Friday, the Pacific Northwest storm will have has crossed the coast, and the increased westerly winds will cut off the southern moisture feed into our area, though there will still be a chance of afternoon storms. Models move a relatively strong but dry cool front through the area Saturday morning, bringing dry breezy conditions and cooler temperatures for the weekend.
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