Major Western Ridge, Great Lakes Trough & Cool In Southeast Next Week

Written by on June 21, 2013 in United States of America with 0 Comments

Quick look at the ECMWF upper pattern for the next 10 days and you know it’s about to get warm and humid again over the Northeast while a spell of very hot air spreads northeast into the Lower Midwest this weekend with a potential ‘peaking’ of the heat Sunday or Monday with potential mid-90s for Minneapolis and upper 90s for Chicago.

Make the most of the cool over the Southwest with several days of 90s for Vegas and Phoenix as heat roars back mid to late next week as the entire US height field seesaws. By late week, we have a 592dc high centred directly over Salt Lake City with temperatures expected to surpass 100 all the way to Montana, southern British Columbia and Saskatchewan. While temperatures top 120 again in Death Valley, 110 in Vegas and Phoenix, 100 all the way to Canada, we have a major trough dropping down over the Great Lakes. Lots of rain expected over top of the ridge from Montana to Great Lakes with focus over Minnesota.

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Also notice the lack of heat over the Southeast thanks to a trough beneath the ridge and surge of heat from Texas to New England. Upper levels disturbances will keep heights low over Georgia and daytime heating with trigger daily showers and storms… What a difference a year makes..


Here’s the ECMWF pattern for the next 10 days and notice the turnaround.

Sat 22


Mon 24


Wed 26




Sun 30

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