Fall knocks on the door this weekend
Monday, August 15, 2016
A couple of week circulation centers currently located in Nevada and just off the northern California coast will keep the threat of afternoon showers for the Steamboat Springs area through midweek as they meander around the Great Basin. The chance for afternoon showers will increase for Tuesday and more so for Wednesday as the airmass gradually moistens. Due to the still dry lower atmosphere though, we may see more wind than rain.
Some cool air from the North Pole will break away from the Polar Vortex and travel southwards across western Canada, bringing an unseasonably cool airmass southward in several pieces. The first minor front is timed for Thursday afternoon or evening and may phase with some of the Great Basin energy and allow for a good chance of wetting rains through Thursday afternoon and evening.
The strongest push of cool air looks to occur around Friday afternoon or evening as a well-defined wave travels from the north-northwest over northern Colorado. As with the Thursday wave, more Great Basin energy will be pulled over our area contributing to more wetting rains with possibly strong storms Friday, especially in the afternoon and evening.
Saturday should be noticeably cooler with possible light showers in the cool and unstable northwest flow. A trailing wave will reinforce the cool air with the third and final front timed for Saturday evening, and again this may increase the chances for showers that may last into the overnight hours.
The flow backs to the west by early Sunday bringing in dry air and allowing temperatures to warm and the skies to clear. This trend looks to continue into the beginning of the next work week.
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