When snow is in the forecast, in the sky, or on the ground, here are some sources of information about how much to expect or how much has fallen. Listed first are snowfall forecast sources nationwide and for Virginia; followed by snowfall accumulation sources for Virginia and neighboring states.
The National Weather Service (NWS) “Winter Weather Forecasts” Web site is at http://www.wpc.ncep.noaa.gov/wwd/winter_wx.shtml.
NWS snow-forecast maps and other products are available online from the NWS forecast offices serving Virginia, as follows:
Blacksburg, Va., forecast office: http://www.weather.gov/rnk/winter;
Morristown, Tenn., forecast office (serves far southwestern Virginia): http://graphical.weather.gov/sectors/mrx.php#tabs;
Sterling, Va., forecast office: http://www.weather.gov/lwx/winter (a snowfall map (for the area is available at http://www.weather.gov/lwx/pnsmap?type=snow);
Wakefield, Va., forecast office: http://www.weather.gov/akq/winter.
During and after snow events, preliminary (not official) snowfall totals (and total precipitation amounts) at many locations are available online from the Web site of the Community Collaborative Rain, Hail, and Snow Network (CoCoRaHS), online at https://www.cocorahs.org/. CoCoRaHS describes itself as “a unique, non-profit, community-based network of volunteers of all ages and backgrounds working together to measure and map precipitation (rain, hail and snow).”
CoCoRaHS provides precipitation maps and daily precipitation reports by state.
The main link for Virginia is https://www.cocorahs.org/state.aspx?state=va. The “Virginia Daily Precipitation Reports” link is http://www.cocorahs.org/ViewData/StateDailyPrecipReports.aspx?state=VA.
Following are the main links for states neighboring Virginia, plus the District of Columbia:
North Carolina: https://www.cocorahs.org/state.aspx?state=nc.
West Virginia: https://www.cocorahs.org/state.aspx?state=wv.