February 27, 2018

Temperature: 43°F
Dew Point: 29°F
Wind: S 1 mph
Clouds: Clear

The winds are still coming from the south in the high pressure system. The eastern half of the US is experiencing warmer temperatures. Where the northwestern corner has been receiving below average numbers and cold conditions.

Figure 1. Wind direction and temperature map (wunderground.com)

The cold temperatures in this area are coming from the dip in the jet stream, shown in figure 2.

Figure 2. jet stream (earth.nullschool.net).

The low pressure front will not move much into Wednesday. However, the warm conditions could create higher precipitation in the atmosphere where certain areas could experience rain.

Figure 3. Fronts, pressures, weather for Wednesday 2/28 (NOAA).