Dew Point: 18°F
Wind: N 8 mph
Clouds: Stratus
The polar vortex is still standing over the Great Lakes, creating a dip in the jet stream.
| Figure 1. Jet stream at 250 hPa (earth.nullschool.net). |
Continueing to assess, the forecast for the potential for more snow for Wednesday. The low pressure system will bring in another wave of snow. This snow will be followed by a high pressure system, that should most likely allow for some real spring weather (higher temperatures) to start.
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| Figure 2. Surface forecast for 2:00 AM EDT April 18, 2018 (intellicast.com). |
The snow should begin in southwest MN after midnight and by about 7 a.m. on Wednesday snow should hit this area. The heaviest snow will be from morning into the afternoon, with winds NNW from 10-20 mph.
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| Figure 3. US Prevalent Weather For 8:00 AM EDT April 18, 2018 (wunderground.com). |
| Figure 4. Expected snowfall (National Weather Service - Twin Cities). |
Hopefully, after this mess temperatures will rise and the snow will stop.


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