Severe T-Storms This Weekend - Big Changes Next Week!
Deep Cold Upper-Level Low Brings Winter To The Rockies. GFS 500 MB/18,000' Analysis. Valid At 6 PM MDT Wednesday, Sept 26th, 2019. GFS 500 MB/18,000' Forecast. Valid At 6 PM MDT Sunday, Sept 29th, 2019. GFS 500 MB/18,000' Forecast. Valid At 6 PM MDT Wednesday, Oct 2nd, 2019. GFS 250 MB/39,000' Forecast. (Jet Stream Position Forecast). Valid At 6 PM MDT Sunday, Sept 29th, 2019. A Major Winter Storm will impact parts of the northern Rockies (specifically northwestern Montana) Friday into Sunday. Up to three feet of snow is forecast to fall! This courtesy of the Polar Jet Stream diving southward into the Pacific Northwest this weekend as depicted by the GFS Jet Stream forecast map above. Snow in the Rockies in September is common and there is nothing unusual about this. What makes this early Winter Storm news worthy is how much heavy snow is forecast to fall. Snow in parts of the New Mexico mountains isn't all that ...
