Temperature: 29°F
Dew Point: 9°F
Wind: WNW 11 mph
Clouds: Clear
The polar vortex shifted closer to the NE region of the jet stream. There is a another cycle moving from the NW towards the Rockies pushing the jet stream to create a trough over the great lakes.
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| Figure 1. Jet stream at 250 hPa (earth.nullschool.net). |
The high pressure system remains in the Midwest carrying the still record lows for April. A Low pressure system is moving from the cycle in the NW carrying large amounts of precipitation. This low pressure will cause another snowfall during Sunday/Sunday night.
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| Figure 2. current surface (intellicast.com). |
The snow should reach southeastern Minnesota around 1 pm tomorrow and bringing a series of snow starting Sunday afternoon to Monday morning.
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| Figure 3. US Prevalent Weather Forcast For 2:00 PM EDT April 8, 2018 (wunderground.com). |
Snow will spread across the region on Sunday. Four to seven inches of snow are likely to fall in Southwest Minnesota, with the heaviest snow falling Sunday afternoon.
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| Figure 4. Winter weather details (US National Weather Service Twin Cities Minnesota). |
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