Friday, February 23, 2018

Do You Want to Build a Snowman? - February 23, 2018

Temperature: 29°F
Dew Point: 28°F
Wind: W 12 mph
Clouds: Cloudy

Last night, a heavy blanket of snow and sleet covered the streets and cars this morning. There is still a significant amount of moisture in the air after the snow storm past, since the DP is only one degree less than the temperature outside. Most of the precipitation has moved to the eastern half of the states.

Figure 1. Precipiation map (NOAA).
Temperatures can be expected to be near freezing for the day and then drop into lower temperature tonight. The blue temperature line that is formed is in a similar pattern to the low pressure system that is moving in an odd pattern around the US (compare in Figure 3). 
Figure 2. temperature map (weather.com).

The temperature below the low pressure system are warmer than those to the NE.
Figure 3. Current Surface map (http://www.intellicast.com/).
This low pressure system is still expected to create a great deal of storms throughout the US from Saturday into Sunday. The western half of the Midwest and NE are expected to see snow and the ESE can expect rain and even some thunderstorms. These storms can be expected to start around 1 pm on Saturday in our area. 

Figure 4. Forecast Map for Sat, Feb 24 - 1:00 PM EST (wunderground.com).

This area specifically can see anywhere from 3-10 inches of snow depending on where the cycle turns around to. Regardless, have those shovels ready for tomorrow!
Figure 4. Snowfall predictions (National Weather Service).

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