Good afternoon all. There is a winter weather advisory in effect for the areas in purple bellow.  Also the snowfall and Ice totals for the next 24-72 hours. Take care everyone.

Right now mainly the mountains will be the threat. More updates will be posted tomorrow for Pennsylvania and even what is in store for Canada. More updates Thursday. Stay tuned.

A new segment will be started at www.weatheradvance.com/top5. The top 5 music videos per month will be done in a top 5 music video show. Lasting ten minutes. This is a new effort to push forward the new multi-purpose company slogan started in the beginning of 2009. The first show will air in 2010 on January 1st. What we need from you is to tell us bellow what you want to be viewed as one of the top 5 videos for this month so that we can air in, January. So please leave a comment here and let us know. Take care everyone.

Last Updated: 12/20/2009 4:07pm

MD Public Schools

Calvert Co Schools – MD – Closed Mon & Tue. Employees Code Yellow
Montgomery Co Schools – MD – Schools, administrative offices closed Monday
Pr George’s Co Schools – MD – Closed- Schools/Offices Code Yellow for Employees
St. Mary’s Co Schools – MD – Closed Mon & Tues. Employees Code 3
Washington Co Schools – MD – Closed Monday

VA Public Schools

Alexandria City Schools – Closed
Arlington Co Schools – VA – Closed
Clarke Co Schools – VA – Closed
Falls Church City Schools – Code Red
Fauquier Co Schools – VA – Closed, School & Offices Monday
Manassas Park Schools – VA – Closed
Page Co Schools – VA – Closed
Pr William Co Schools – VA – Code Red
Shenandoah Co Schools – VA – Closed

WV Public Schools

Berkeley Co Schools – WV – Closed
Grant Co Schools – WV – Closed
Hardy Co Schools – WV – Closed
Jefferson Co Schools – WV – Closed
Morgan Co Schools – WV – Closed

Govt/Courts – Federal

Fort McNair – Essential staff only
Fort Myer – Essential staff only
Quantico Marine Base – VA – Code Blue Open Sunday, noon

Govt/Court – City/State

City of Alexandria – Liberal leave – all staff
City of Gaithersburg – Closed

Mass Transit

Connect A Ride – Closed
DASH – Alexandria Transit – No services today
Howard Transit – Closed

Colleges/Trade Schools

American University – Closed
College of So. MD – all campuses – All Campuses Closed Sat & Sunday
Howard University – Closed
Mt. St. Mary’s University – Opens at 10 am
NOVA Community College – Closed
Sanford Brown Institute – Closed Sat & Sun
The Universities at Shady Grove – Closed
Trinity Washington University – Opens Noon Monday.

Museums/Venues

Glen Echo Park – Closed
Mount Vernon Estate and Gardens – Closed
National Gallery of Art – Closed
Patriot Center – All events canceled
US Holocaust Museum – Closed
Verizon Center – All events canceled

Malls/Service Orgs

YMCA – all DC centers – Closed
YMCA – all MD centers – Open 2 hours late
YMCA – all VA centers – Open 2 hours late

Private Schools/Preschools

Al-Huda School – College Park – Closed
Chas E Smith Jewish Day School – All Closed Schools and Offices Mon.
Christ Chapel Academy – VA – Closed
Congressional Schools – VA – Closed
Ivymount School – Rockville – Closed Monday
Landon School – Closed
St. Matthew’s Lutheran Day School – All activities canceled
St. Paul’s School – All activities canceled
Woodstream Christian Academy – Closed No services today

THE SNOW HAS STARTED. SNOWFALL ACCUMULATING NOW!!!!! VIDEO UPDATE ALSO!

PART 2 BELLOW!!!!

Here is my latest snow map. Chances of School Closing In D.C, MD, VA, and Delaware Monday-Friday 100%

LOCAL AREA FORECAST!

REGIONAL SNOWFALL TOTALS

I am 90% sure now of a Major snowstorm Coming To Effect Extreme Northwest South Carolina around Grenville 1-2″. All the way up to the north and east and cutting off sharply as you head towards the mason dioxin line.

Right now I am posting the 12Z GFS runs for this storm and I am in 100% agreement with this run. The NAM, ETA, EURO, AND JAPANESE  models are also really saying the same thing. Here is the snowfall coverage bellow from the 12Z run. My snowfall prediction totals are also posted bellow. O’ and now the the 24h and 25th storm is coming up on the model runs. And you guessed it! It looks right now like it will be an all snow event. Stay With Weather Advance for further details.

12Z GFS Run

Weather Advance Snowfall Forecast!

12Z ETA Model

NATIONAL WEATHER SERVICE FORECAST!

Thursday Night: Partly cloudy, with a low around 26. North wind around 5 mph becoming calm.

Friday: Partly sunny, with a high near 40. Light and variable wind.

Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 29. East wind between 3 and 6 mph. Chance of precipitation is 20%.

Saturday: A chance of snow, mainly after 1pm. Cloudy, with a high near 36. Chance of precipitation is 30%.

Saturday Night: A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

Sunday: A chance of snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.

Sunday Night: Mostly cloudy, with a low around 26.

Right now i will say that all of the cards are on the table. The Euro Model, Canadian Model & Japanese model have all shown the storm come up the coast. The only one that is not on board is the GFS model. We will have to wait and see but as for right now my forecast stands along side “The Weather Channel” And I am being very conservative. 40% chance of snow on Sunday From Washington D.C To Boston.  Bellow is the weekend forecast I have for right now For The Big I-95 Cities. Keep checking back for further updates!

Weather Machine

Washington D.C- Saturday: Mostly cloudy with snow starting late. Chance OF snow 40%. Sunday: Cloudy with snow. Chance of snow 45%.  Sunday: Snow Ending Late. Chance of snow 30%.

Philadelphia- Saturday: Mostly cloudy with snow starting late. Chance OF snow 40%. Sunday: Cloudy with snow. Chance of snow 45%.  Sunday: Snow Ending Late. Chance of snow40%.

New York City-- Saturday: Mostly Cloudy skies becoming overcast overnight. Cold. Sunday: Cloudy with snow. Chance of snow 45%.  Sunday: Snow. Chance of snow40%. Monday: Snow ending By Noon. Chance Of snow 30%.

I will be updating this forecast threw the week so stay tuned!

I will have more updates Tuesday night with also freezing rain and ice prediction for Tuesday-Wednesday’s storm. Here are a couple of Meteorologist blogs that are leaning towards this storm! Also This is a self-updating 7 Day for the Washington D.C. Metropolitan Area. Keep an eye on it! O’ and Also will we have a white Christmas? We hope to let you know soon!