Pesky Upper Low

Clouds and cool weather. I have not had to say these words much in the forecast lately, but that is changing for this week. We have had a spectacular September with many sunny days and warm temperatures. As we head into October, it will feel like fall. We have an upper level low to blame.

An upper-level low is usually a slow mover this time of year. They also can be called cut-off lows because they are not caught in the jet stream so they slowly meander across the U.S. and can actually move east to west. This is called a retrograding low. The upper low will move across southern Canada and across the Great Lakes from Sunday-Wednesday. This low will keep us in a northerly wind flow with cold air aloft which will mean plenty of cloud cover. Forecasting when these lows will move out is difficult. They notoriously stick around longer than the computer models say they will. Keep a close eye on the forecast and find your fall jackets.

Mark Baden


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