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NOAA, National Weather Service Middle Atlantic River Forecast Center Briefing

NOAA, National Weather Service Middle Atlantic River Forecast Center Briefing. 10:30 a m Friday, May 16, 2014. Key Message. S ignificant river flooding occurring and will continue through the weekend.

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NOAA, National Weather Service Middle Atlantic River Forecast Center Briefing

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  1. NOAA, National Weather ServiceMiddle Atlantic River Forecast Center Briefing 10:30 am Friday, May 16, 2014

  2. Key Message • Significant river flooding occurring and will continue through the weekend. • Most severe flooding currently in the Potomac and James River basins of Maryland/Virginia, roughly east of I-81. 3-5 inches of rain fell in these areas since yesterday. • Rain has moved out of the Potomac and James River basins, but heavy runoff will continue, resulting in crests approaching the major flood category during the next 48 hours at several locations in the lower Potomac River basin. • Eastern Pennsylvania, upstate New York, and New Jersey are experiencing the heaviest rain this morning, but any flooding is expected to be less severe than farther south. • The rain is expected to move out of the MARFC area shortly after midnight tonight. • At this time, it’s important to stay aware of the threat and monitor your weather and river forecasts often.

  3. Observed Rainfall in the Past 48 hoursthrough8am this morning 3 to 5 inches

  4. Rain Forecast 2 – 3 inches 8am Friday to 8am Saturday 8am Saturday to 8am Sunday 8am Sunday to 8am Monday The heaviest rain will continue through this evening in eastern PA, southeastern NY, and NJ. For the latest MARFC rain forecasts, go to: http://www.erh.noaa.gov/marfc/Precipitation/Forecasts/

  5. River Forecasts • This shows the expected impacts of this morning’s 3 day river forecasts. • Major flooding is forecast at 3 gauging stations in the Potomac River basin: Shenandoah R. at Millville, WV; Antietam C. at Sharpsburg, MD; and the Potomac R. at Georgetown, DC. • These forecasts include the effects of observed rainfall through 8am this morning, plus any additional forecasted rain, and will be updated as conditions require. Latest river forecasts are at: http://water.weather.gov

  6. Current Stream Conditions Streamflows in our area are running well above normal for this time of year. Our models account for this.

  7. MARFC Status • MARFC began 24 hour operations 6:30am Thursday, May 15th. We will remain open until the flood threat has ended. • MARFC is actively coordinating with our NWS Weather Forecast Offices and partners, such as the USACE & USGS.

  8. Need more info? • Contact your local NWS Weather Forecast Office • Binghamton, NY http://weather.gov/bgm • Blacksburg, VA http://weather.gov/rnk • Mt Holly, NJ http://weather.gov/phi • State College, PA http://weather.gov/ctp • New York City, NY http://weather.gov/okx • Sterling, VA http://weather.gov/lwx • Wakefield, VA http://weather.gov/akq • Email MARFC at: seann.reed@noaa.gov

  9. Find MARFC Online at: • Website: http://weather.gov/marfc • Facebook: https://www.facebook.com/US.NationalWeatherService.MARFC.gov • Twitter @NWSMARFC

  10. Next MARFC Briefing Saturday, May 17th

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