A low pressure system is moving towards the washington d.c, maryland and virginia area. With tropical moisture in place and high dew points it will only enhance the precipitation that we will get starting late today and through Friday. These thunderstorms may drop anywere from 2-4 inches of rain and 5 inches or more localy. Flash Flood Watches and Flood Watches have not yet been issued by the national weather service. There may also be another severe weather outbreak Friday, with isolated tornadoes. But the main story will really be the heavy rain that will be moving through the area. Please stay alert to the possibility of rising water and if you see standing water on the road please “Turn around, Don’t Drown”. Please stay tuned to your local weather stations for further updates.

Tools ‹ Weather Advance Storm Prediction Center HD — WordPress.

This is another new feature we have added here at weather advance. Enjoy. This winter forecast video will be posted on the winter forecast page and on weather Advance Web vision on or about July 19th 2009.

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There winter forecast is on weather advances new web vision at www.weatheradvance.com/webvision

The GFS models have a low pressure system moving up towards the area this upcoming Saturday into Sunday morning. This may produce heavy rain with some embedded thunderstorms. Those effected will receive anywhere from 1-3 inches of rain or more locally. Flash Flooding is possible with Saturdays system.  A Time line is in the video bellow and a look at the GFS model for Saturday night is also available bellow.

This is your weekend forecast.

Friday: Scattered Showers and thunderstorms, some storms may cause flooding with locally heavy rain. Chance of rain 40%. highs in the Upper 70′s.

Friday Night:  Showers likely, Chance of rain 50%. Lows in the 60′s.

Saturday: Showers early developing to a heavy rain with thunderstorms possible later in the day. Chance Of rain 80%. Rainfall May Reach 2 inches. Highs in the upper 70′s.

Saturday Night: Rain. Locally heavy at times. A rumble of thunder also possible. Chance of rain 90%. Lows in the upper 50′s.

Sunday: Showers and thunderstorms in the morning, then a chance of isolated thunderstorms later in the day. Chance of rain 40%. High around 79.

Sunday Night: A chance of an isolated thunderstorm early, otherwise becoming partly cloudy and cool. Lows around 58. Chance of wind 30%.

We will continue to keep you updated on this weekends possible washout.

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