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Weather Forecast Office (Baltimore/Washington) Sterling, VA Middle Atlantic River Forecast Center

This probabilistic forecast is issued by the Middle Atlantic River Forecast Center.
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels
Chance of Exceeding Levels
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South Branch Potomac River near Petersburg Probabalistic Stage Forecast Graph
About this graph
Forecasts for the South Branch Potomac River near Petersburg are issued routinely year-round.

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Upstream Gauge - at Franklin Upstream Gauge Downstream Gauge Downstream Gauge - near Springfield

Flood Categories (in feet)
Major Flood Stage:17
Moderate Flood Stage:15
Flood Stage:14
Action Stage:12

Historical Crests
(1) 22.83 ft on 06/17/1949
(2) 22.20 ft on 09/06/1996
(3) 21.80 ft on 11/05/1985
(4) 21.20 ft on 11/24/1877
(5) 20.30 ft on 03/17/1936
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Low Water Records
(1) 0.40 ft on 08/20/1988
Legend
Gauge Location
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
22.5 SIGNIFICANT FLOODING IS OCCURRING. MORE THAN A HUNDRED BUILDINGS IN PETERSBURG ARE FLOODED.
20 SEVERAL CITY BLOCKS ON THE SOUTH SIDE OF PETERSBURG ARE FLOODED. BACKWATER MAY ALSO FLOOD PORTIONS OF THE EASTERN SECTIONS OF THE CITY.
18 WATER COVERS THE ENTIRE RUNWAY AT GRANT COUNTY AIRPORT AND IS IN NEARBY STRUCTURES. HUNDREDS OF ACRES OF LOWLANDS ARE FLOODED. WATER APPROACHES HOMES ON THE NORTH SIDE OF THE RIVER IN PETERSBURG.
17 WATER REACHES STRUCTURES AT THE GRANT COUNTY AIRPORT. FLOODING ALSO BEGINS SOUTH OF THE RIVER ON THE SOUTH SIDE OF PETERSBURG.
15 TWO STRUCTURES ARE FLOODED UPSTREAM OF PETERSBURG. WATER ALSO APPROACHES THE RUNWAY AT THE PETERSBURG AIRPORT.
14 WATER APPROACHES STRUCTURES UPSTREAM OF PETERSBURG. WATER ALSO BEGINS TO COVER FISH HATCHERY ROAD NEAR THE RIVER.
12 WATER OVERFLOWS THE NATURAL BANKS INTO NEARBY LOWLANDS. RIVER ROAD ALONGSIDE THE RIVER IS FLOODED.
7 WATER BEGINS TO COVER LOW SPOTS OF RIVER ROAD ON THE NORTH SIDE OF THE RIVER...BUT NO OTHER IMPACTS OCCUR.

Other Data Sources:

Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 13-Mar-2013 6:34 PM
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