February 19, 2018

Temperature: 27°F
Dew Point: 21°F
Wind: NNE 14 mph
Clouds: Cloudy
Precipitation: 65%

The jet stream is still moving with it's trough to the lower western region of the US. The high power of the jet stream is pushing up from the SW. The surface winds are moving from the NNE, pulling more of the cold air.

Figure 1. Height 250, Jet stream (earth.nullschool.net).

The strong low pressure cold front is moving to the east across the US, with snow to the NW and rain to SE. In line with the front, there is expected to be dangerous ice forming in it's path. 

Figure 2. 12 hour surface map (intellicast.com).

From this storm, there is a series of events all across the US, mainly snow and rain just in the Midwest region. 

Figure 3. Purple - Winter Weather Advisory, Pink - Winter Storm Warning, Green - Flood Watch, Brown - Wind Advisory, Light Blue- Wind Chill Advisory (weather.gov).