1/6 – Rob’s “Frontal Passage” Thursday Afternoon Forecast

A cold front is barreling down from the northwest will bring a few showers and even a brief t-storms this afternoon- evening. Winds will sharply transition and pick up after the front passes, with colder air and windy conditions to follow. High-pressure will move in briefly Friday with sunshine and cooler temperatures. This will be short lived as another system will roll in from the NW this weekend.

The beginning of the long term period will be active as an upper level disturbance moves across the Northern Plains and Upper Midwest on Sunday. A cold front at the surface is expected to slide down into the region through Sunday. The disturbance that moves north from the Gulf on Saturday also gets pulled into the main energy associated with the trough and surface front on Sunday. This brings a big increase in rain chances with the amount of moisture available, generally 40-60%b out ahead of the front and then increasing up to 70-80% as the front arrives. This brings a good chance of showers on Sunday, with a possibility of some thunderstorms as well. Behind the front high pressure is expected to build back in early next week.

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