Tracking the change from rain to snow

Originally posted on WTVR.com:

RICHMOND, Va. (WTVR) – The area of low pressure responsible for the persistent rainfall Tuesday, will move up the east coast Wednesday, developing into an elongated nor’easter.

The slight westward track and early season aspect of this system precludes a more significant event, but some areas will still see accumulating snow, strong winds, and difficult travel.

Here’s a look at how the rain-to-mix-to-snow line will progress across the Commonwealth on Wednesday.  The first frame shows the precipitation type at 6 AM.  If you are traveling early in the morning, you’ll only have to worry about rain up and down 95 and for any travel across the lower elevations of Virginia.

Zach Travel1

By noon, colder air will be rapidly pulled into the system over Virginia, switching the rain to a mix of rain, sleet, and snow.  Surface temperatures in all areas will remain above freezing.

Zach Travel2

The 6-hour window between noon and 6…

View original 157 more words

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