TL97

The 3km is quite the disaster all the way up to New York - not a single flake in DC, nobody east of 81 gets more than 5 inches, Philly gets 3 and NYC like 5.

GFS is 4-6" for everyone... closer than 06Z but not quite incredible

During severe season, what is meant by CAPE?

Issued at: 9:59 AM EST 2/4/10, expires at: 6:00 PM EST 2/4/10Winter storm warning in effect from 10 am Friday to 10 pm est saturday, The NWS in sterling Virginia has issued a winter storm warning for heavy snow with near-blizzard conditions, which is in effect from 10 am Friday to 10 pm est saturday. The winter storm watch is no longer in effect. Precipitation type, heavy snow. Accumulations, storm total accumulations of 16 to 24 inches. Timing, snow will begin mid-morning Friday, and will continue through Saturday evening. Conditions will deteriorate rapidly Friday afternoon, with heaviest snowfall occurring between sunset Friday to sunrise Saturday. The most hazardous winter weather conditions will occur Friday night, when the combination of heavy snow and strong winds will reduce visibilities to below one-quarter mile, producing near-blizzard conditions. Temperatures, highs in the lower 30s Friday. Friday night and Saturday, temperatures will be in the mid 20s. Winds, becoming northeast 10 to 20 mph Friday with gusts to 30 mph Friday night and Saturday. Precautionary/preparedness actions, This storm has the potential to be similar to the 19 December storm. Plan for substantial disruptions to travel Friday afternoon through the weekend. A winter storm warning means significant amounts of snow are expected or occurring. Strong winds are also possible. This will make travel very hazardous or nearly impossible Friday night.

Winter storm watch in effect from Friday morning through saturday evening,

The NWS in sterling Virginia has issued a winter storm watch, which is in effect from Friday morning through Saturday evening.

Precipitation type, snow.

Accumulations, this storm is likely to produce 12 or more inches of snow in the watch area, with a good chance for localized amounts over 20 inches.

Timing, snow is expected to begin late morning Friday, continuing through Saturday evening.

Temperatures, highs in the lower to mid 30s Friday. Friday night and Saturday, temperatures will be 25 to 30 degrees.

Winds, east 5 to 10 mph Friday and Friday night, becoming north 10 to 20 mph Saturday.

Precautionary/preparedness actions,

This storm has the potential to be similar to the December 19th storm. Plan for substantial disruptions to travel Friday afternoon through the weekend.