Thursday, July 5, 2018
Contrary to my last forecast, some moisture has arrived over the Steamboat Springs area courtesy of a large ridge of high pressure that has moved eastward over the central U.S. Clockwise flow around this high pressure has has carried Gulf of Mexico moisture first westward into New Mexico and eastern Colorado and then northward over the Colorado Rocky Mountains. The moisture will be enough to finally bring the chance of afternoon and evening showers to our area starting on this Thursday.
Several waves of Pacific energy moving well to our north will periodically deform the ridge of high pressure over the next couple of weeks, with subtle changes in the strength and position of the high pressure moderating the chance of afternoon and evening showers.
Timing of these waves has already proven to be quite difficult, but right now we may see a decrease in chances for late-day showers on Friday and Saturday before they increase again by later Sunday in advance of another one of these Pacific waves.
A decrease in shower activity is currently advertised for Monday and Tuesday afternoons before another Pacific wave moves to our north around midweek and increases shower chances for Wednesday.
Though another decrease in late-day shower chances may occur for the end of the work week, moisture does look to hang around with increasing shower chances heading into next weekend as a more robust southwestern monsoon signal is forecast to send moisture and energy northward from Mexico.
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