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Weather Forecast Office State College, PA Middle Atlantic River Forecast Center

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Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
West Branch Susquehanna River at Williamsport Forecast crest: 2.88 ft at 7:00pm Feb 09 Observed crest: 3.7 ft at 9:45pm Feb 06 Observed: 3.7 ft at 9:45pm Feb 6 Observed: 3.7 ft at 10:00pm Feb 6 Observed: 3.7 ft at 10:15pm Feb 6 Observed: 3.7 ft at 10:30pm Feb 6 Observed: 3.69 ft at 10:45pm Feb 6 Observed: 3.69 ft at 11:00pm Feb 6 Observed: 3.69 ft at 11:15pm Feb 6 Observed: 3.69 ft at 11:30pm Feb 6 Observed: 3.69 ft at 11:31pm Feb 6 Observed: 3.69 ft at 11:45pm Feb 6 Observed: 3.68 ft at 12:00am Feb 7 Observed: 3.68 ft at 12:15am Feb 7 Observed: 3.67 ft at 12:30am Feb 7 Observed: 3.67 ft at 12:45am Feb 7 Observed: 3.66 ft at 1:00am Feb 7 Observed: 3.66 ft at 1:15am Feb 7 Observed: 3.66 ft at 1:30am Feb 7 Observed: 3.65 ft at 1:45am Feb 7 Observed: 3.65 ft at 2:00am Feb 7 Observed: 3.64 ft at 2:15am Feb 7 Observed: 3.64 ft at 2:30am Feb 7 Observed: 3.63 ft at 2:45am Feb 7 Observed: 3.63 ft at 3:00am Feb 7 Observed: 3.62 ft at 3:15am Feb 7 Observed: 3.62 ft at 3:30am Feb 7 Observed: 3.61 ft at 3:45am Feb 7 Observed: 3.61 ft at 4:00am Feb 7 Observed: 3.6 ft at 4:15am Feb 7 Observed: 3.6 ft at 4:30am Feb 7 Observed: 3.59 ft at 4:45am Feb 7 Observed: 3.59 ft at 5:00am Feb 7 Observed: 3.58 ft at 5:15am Feb 7 Observed: 3.57 ft at 5:30am Feb 7 Observed: 3.57 ft at 5:45am Feb 7 Observed: 3.56 ft at 6:00am Feb 7 Observed: 3.55 ft at 6:15am Feb 7 Observed: 3.55 ft at 6:30am Feb 7 Observed: 3.54 ft at 6:45am Feb 7 Observed: 3.54 ft at 7:00am Feb 7 Observed: 3.53 ft at 7:15am Feb 7 Observed: 3.53 ft at 7:30am Feb 7 Observed: 3.52 ft at 7:45am Feb 7 Observed: 3.51 ft at 8:00am Feb 7 Observed: 3.5 ft at 8:15am Feb 7 Observed: 3.5 ft at 8:30am Feb 7 Observed: 3.49 ft at 8:45am Feb 7 Observed: 3.49 ft at 9:00am Feb 7 Observed: 3.49 ft at 9:15am Feb 7 Observed: 3.48 ft at 9:30am Feb 7 Observed: 3.48 ft at 9:45am Feb 7 Observed: 3.47 ft at 10:00am Feb 7 Observed: 3.46 ft at 10:15am Feb 7 Observed: 3.45 ft at 10:30am Feb 7 Observed: 3.44 ft at 10:45am Feb 7 Observed: 3.43 ft at 11:00am Feb 7 Observed: 3.42 ft at 11:15am Feb 7 Observed: 3.41 ft at 11:30am Feb 7 Observed: 3.41 ft at 11:45am Feb 7 Observed: 3.39 ft at 12:00pm Feb 7 Observed: 3.39 ft at 12:15pm Feb 7 Observed: 3.38 ft at 12:30pm Feb 7 Observed: 3.38 ft at 12:45pm Feb 7 Observed: 3.37 ft at 1:00pm Feb 7 Observed: 3.37 ft at 1:15pm Feb 7 Observed: 3.37 ft at 1:30pm Feb 7 Observed: 3.36 ft at 1:45pm Feb 7 Observed: 3.36 ft at 2:00pm Feb 7 Observed: 3.36 ft at 2:15pm Feb 7 Observed: 3.35 ft at 2:30pm Feb 7 Observed: 3.35 ft at 2:45pm Feb 7 Observed: 3.34 ft at 3:00pm Feb 7 Observed: 3.34 ft at 3:15pm Feb 7 Observed: 3.34 ft at 3:30pm Feb 7 Observed: 3.34 ft at 3:45pm Feb 7 Observed: 3.34 ft at 4:00pm Feb 7 Observed: 3.34 ft at 4:15pm Feb 7 Observed: 3.34 ft at 4:30pm Feb 7 Observed: 3.34 ft at 4:45pm Feb 7 Observed: 3.34 ft at 5:00pm Feb 7 Observed: 3.35 ft at 5:15pm Feb 7 Observed: 3.35 ft at 5:30pm Feb 7 Observed: 3.35 ft at 5:45pm Feb 7 Observed: 3.35 ft at 6:00pm Feb 7 Observed: 3.35 ft at 6:15pm Feb 7 Observed: 3.36 ft at 6:30pm Feb 7 Observed: 3.37 ft at 6:45pm Feb 7 Observed: 3.37 ft at 7:00pm Feb 7 Observed: 3.37 ft at 7:15pm Feb 7 Observed: 3.38 ft at 7:30pm Feb 7 Observed: 3.39 ft at 7:45pm Feb 7 Observed: 3.4 ft at 8:00pm Feb 7 Observed: 3.4 ft at 8:15pm Feb 7 Observed: 3.41 ft at 8:30pm Feb 7 Observed: 3.41 ft at 8:45pm Feb 7 Observed: 3.41 ft at 9:00pm Feb 7 Observed: 3.41 ft at 9:15pm Feb 7 Observed: 3.41 ft at 9:30pm Feb 7 Observed: 3.41 ft at 9:45pm Feb 7 Observed: 3.41 ft at 10:00pm Feb 7 Observed: 3.41 ft at 10:15pm Feb 7 Observed: 3.41 ft at 10:30pm Feb 7 Observed: 3.41 ft at 10:45pm Feb 7 Observed: 3.41 ft at 11:00pm Feb 7 Observed: 3.41 ft at 11:15pm Feb 7 Observed: 3.4 ft at 11:30pm Feb 7 Observed: 3.39 ft at 11:45pm Feb 7 Observed: 3.39 ft at 12:00am Feb 8 Observed: 3.39 ft at 12:15am Feb 8 Observed: 3.38 ft at 12:30am Feb 8 Observed: 3.37 ft at 12:45am Feb 8 Observed: 3.37 ft at 1:00am Feb 8 Observed: 3.36 ft at 1:15am Feb 8 Observed: 3.35 ft at 1:30am Feb 8 Observed: 3.35 ft at 1:45am Feb 8 Observed: 3.34 ft at 2:00am Feb 8 Observed: 3.34 ft at 2:15am Feb 8 Observed: 3.34 ft at 2:30am Feb 8 Observed: 3.33 ft at 2:45am Feb 8 Observed: 3.33 ft at 3:00am Feb 8 Observed: 3.31 ft at 3:15am Feb 8 Observed: 3.3 ft at 3:30am Feb 8 Observed: 3.3 ft at 3:45am Feb 8 Observed: 3.29 ft at 4:00am Feb 8 Observed: 3.28 ft at 4:15am Feb 8 Observed: 3.28 ft at 4:30am Feb 8 Observed: 3.27 ft at 4:45am Feb 8 Observed: 3.26 ft at 5:00am Feb 8 Observed: 3.25 ft at 5:15am Feb 8 Observed: 3.24 ft at 5:30am Feb 8 Observed: 3.23 ft at 5:45am Feb 8 Observed: 3.23 ft at 5:46am Feb 8 Observed: 3.22 ft at 6:00am Feb 8 Observed: 3.21 ft at 6:15am Feb 8 Observed: 3.2 ft at 6:30am Feb 8 Observed: 3.19 ft at 6:45am Feb 8 Observed: 3.18 ft at 7:00am Feb 8 Observed: 3.18 ft at 7:15am Feb 8 Observed: 3.17 ft at 7:30am Feb 8 Observed: 3.17 ft at 7:45am Feb 8 Observed: 3.16 ft at 8:00am Feb 8 Observed: 3.15 ft at 8:15am Feb 8 Observed: 3.14 ft at 8:30am Feb 8 Observed: 3.14 ft at 8:45am Feb 8 Observed: 3.13 ft at 9:00am Feb 8 Observed: 3.13 ft at 9:15am Feb 8 Observed: 3.12 ft at 9:30am Feb 8 Observed: 3.11 ft at 9:45am Feb 8 Observed: 3.11 ft at 10:00am Feb 8 Observed: 3.1 ft at 10:15am Feb 8 Observed: 3.09 ft at 10:30am Feb 8 Observed: 3.08 ft at 10:45am Feb 8 Observed: 3.07 ft at 11:00am Feb 8 Observed: 3.06 ft at 11:15am Feb 8 Observed: 3.05 ft at 11:30am Feb 8 Observed: 3.04 ft at 11:45am Feb 8 Observed: 3.02 ft at 12:00pm Feb 8 Observed: 3.02 ft at 12:15pm Feb 8 Observed: 3.01 ft at 12:30pm Feb 8 Observed: 3.01 ft at 12:45pm Feb 8 Observed: 3.01 ft at 1:00pm Feb 8 Observed: 3.01 ft at 1:15pm Feb 8 Observed: 3.01 ft at 1:30pm Feb 8 Observed: 3.01 ft at 1:45pm Feb 8 Observed: 3.01 ft at 2:00pm Feb 8 Observed: 3.01 ft at 2:15pm Feb 8 Observed: 3.01 ft at 2:30pm Feb 8 Observed: 3.01 ft at 2:45pm Feb 8 Observed: 3.01 ft at 3:00pm Feb 8 Observed: 3.01 ft at 3:15pm Feb 8 Observed: 3.01 ft at 3:30pm Feb 8 Observed: 3.02 ft at 3:45pm Feb 8 Observed: 3.02 ft at 4:00pm Feb 8 Observed: 3.03 ft at 4:15pm Feb 8 Observed: 3.03 ft at 4:30pm Feb 8 Observed: 3.03 ft at 4:45pm Feb 8 Observed: 3.02 ft at 5:00pm Feb 8 Observed: 3.02 ft at 5:15pm Feb 8 Observed: 3.02 ft at 5:30pm Feb 8 Observed: 3.02 ft at 5:45pm Feb 8 Observed: 3.02 ft at 6:00pm Feb 8 Observed: 3.01 ft at 6:15pm Feb 8 Observed: 3.01 ft at 6:30pm Feb 8 Observed: 3.01 ft at 6:45pm Feb 8 Observed: 3.01 ft at 7:00pm Feb 8 Observed: 3.01 ft at 7:15pm Feb 8 Observed: 3 ft at 7:30pm Feb 8 Observed: 3 ft at 7:31pm Feb 8 Observed: 3 ft at 7:45pm Feb 8 Observed: 3 ft at 7:46pm Feb 8 Observed: 2.99 ft at 8:00pm Feb 8 Observed: 2.99 ft at 8:15pm Feb 8 Observed: 2.98 ft at 8:30pm Feb 8 Observed: 2.98 ft at 8:45pm Feb 8 Observed: 2.98 ft at 9:00pm Feb 8 Observed: 2.97 ft at 9:15pm Feb 8 Observed: 2.97 ft at 9:30pm Feb 8 Observed: 2.97 ft at 9:45pm Feb 8 Observed: 2.97 ft at 10:00pm Feb 8 Observed: 2.97 ft at 10:15pm Feb 8 Observed: 2.96 ft at 10:30pm Feb 8 Observed: 2.96 ft at 10:45pm Feb 8 Observed: 2.96 ft at 11:00pm Feb 8 Observed: 2.95 ft at 11:15pm Feb 8 Observed: 2.94 ft at 11:30pm Feb 8 Observed: 2.94 ft at 11:45pm Feb 8 Observed: 2.93 ft at 12:00am Feb 9 Observed: 2.93 ft at 12:15am Feb 9 Observed: 2.93 ft at 12:30am Feb 9 Observed: 2.93 ft at 12:45am Feb 9 Observed: 2.92 ft at 1:00am Feb 9 Observed: 2.92 ft at 1:15am Feb 9 Observed: 2.91 ft at 1:30am Feb 9 Observed: 2.91 ft at 1:45am Feb 9 Observed: 2.9 ft at 2:00am Feb 9 Observed: 2.9 ft at 2:15am Feb 9 Observed: 2.9 ft at 2:30am Feb 9 Observed: 2.9 ft at 2:45am Feb 9 Observed: 2.9 ft at 3:00am Feb 9 Observed: 2.89 ft at 3:15am Feb 9 Observed: 2.88 ft at 3:30am Feb 9 Observed: 2.87 ft at 3:45am Feb 9 Observed: 2.86 ft at 4:00am Feb 9 Observed: 2.85 ft at 4:15am Feb 9 Observed: 2.85 ft at 4:30am Feb 9 Observed: 2.84 ft at 4:45am Feb 9 Observed: 2.83 ft at 5:00am Feb 9 Observed: 2.83 ft at 5:15am Feb 9 Observed: 2.83 ft at 5:30am Feb 9 Observed: 2.82 ft at 5:45am Feb 9 Observed: 2.82 ft at 6:00am Feb 9 Observed: 2.81 ft at 6:15am Feb 9 Observed: 2.8 ft at 6:30am Feb 9 Observed: 2.79 ft at 6:45am Feb 9 Observed: 2.77 ft at 7:00am Feb 9 Observed: 2.76 ft at 7:15am Feb 9 Observed: 2.74 ft at 7:30am Feb 9 Observed: 2.72 ft at 7:45am Feb 9 Observed: 2.71 ft at 8:00am Feb 9 Observed: 2.69 ft at 8:15am Feb 9 Observed: 2.69 ft at 8:30am Feb 9 Observed: 2.7 ft at 8:45am Feb 9 Observed: 2.7 ft at 9:00am Feb 9 Observed: 2.71 ft at 9:15am Feb 9 Observed: 2.72 ft at 9:30am Feb 9 Observed: 2.73 ft at 9:45am Feb 9 Observed: 2.74 ft at 10:00am Feb 9 Observed: 2.74 ft at 10:15am Feb 9 Observed: 2.75 ft at 10:30am Feb 9 Observed: 2.75 ft at 10:45am Feb 9 Observed: 2.75 ft at 11:00am Feb 9 Observed: 2.76 ft at 11:15am Feb 9 Observed: 2.76 ft at 11:30am Feb 9 Observed: 2.77 ft at 11:45am Feb 9 Observed: 2.77 ft at 12:00pm Feb 9 Observed: 2.78 ft at 12:15pm Feb 9 Observed: 2.78 ft at 12:30pm Feb 9 Observed: 2.79 ft at 12:45pm Feb 9 Observed: 2.8 ft at 1:00pm Feb 9 Observed: 2.81 ft at 1:15pm Feb 9 Observed: 2.82 ft at 1:30pm Feb 9 Observed: 2.82 ft at 1:45pm Feb 9 Observed: 2.82 ft at 2:00pm Feb 9 Observed: 2.83 ft at 2:15pm Feb 9 Observed: 2.83 ft at 2:30pm Feb 9 Observed: 2.83 ft at 2:45pm Feb 9 Observed: 2.83 ft at 3:00pm Feb 9 Observed: 2.84 ft at 3:15pm Feb 9 Observed: 2.84 ft at 3:30pm Feb 9 Observed: 2.84 ft at 3:45pm Feb 9 Observed: 2.85 ft at 4:00pm Feb 9 Observed: 2.85 ft at 4:15pm Feb 9 Observed: 2.85 ft at 4:30pm Feb 9 Observed: 2.86 ft at 4:45pm Feb 9 Observed: 2.86 ft at 5:00pm Feb 9 Observed: 2.87 ft at 5:15pm Feb 9 Observed: 2.87 ft at 5:30pm Feb 9 Observed: 2.88 ft at 5:45pm Feb 9 Observed: 2.88 ft at 6:00pm Feb 9 Observed: 2.88 ft at 6:15pm Feb 9 Observed: 2.88 ft at 6:30pm Feb 9 Observed: 2.88 ft at 6:45pm Feb 9 Observed: 2.88 ft at 7:00pm Feb 9 Observed: 2.88 ft at 7:15pm Feb 9 Observed: 2.88 ft at 7:30pm Feb 9 Observed: 2.87 ft at 7:45pm Feb 9 Observed: 2.86 ft at 8:00pm Feb 9 Observed: 2.86 ft at 8:15pm Feb 9 Observed: 2.86 ft at 8:30pm Feb 9 Observed: 2.85 ft at 8:45pm Feb 9 Observed: 2.85 ft at 9:00pm Feb 9 Observed: 2.85 ft at 9:15pm Feb 9 Forecast: 2.81 ft at 1:00pm Feb 9 Forecast: 2.88 ft at 7:00pm Feb 9 Forecast: 2.81 ft at 1:00am Feb 10 Forecast: 2.78 ft at 7:00am Feb 10 Forecast: 2.76 ft at 1:00pm Feb 10 Forecast: 2.72 ft at 7:00pm Feb 10 Forecast: 2.67 ft at 1:00am Feb 11 Forecast: 2.63 ft at 7:00am Feb 11 Forecast: 2.6 ft at 1:00pm Feb 11 Forecast: 2.56 ft at 7:00pm Feb 11 Forecast: 2.52 ft at 1:00am Feb 12 Forecast: 2.5 ft at 7:00am Feb 12 Graph Created (9:57pm Feb 9, 2010) Observed Forecast (issued 9:34am Feb 9) USGS--Water Resources of the United States WILP1 (plotting HGIRG) Gage 0 Datum: 495.00 Latest observed value: 2.85 ft at 9:15 PM EST 9-Feb-2010. Flood Stage is 20.0 ft. Stage (ft) Flow (kcfs)
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NOTE: Forecasts for the West Branch Susquehanna River at Williamsport are issued routinely year-round.

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Upstream Gauge - at Jersey Shore Upstream Gauge Downstream Gauge Downstream Gauge - near Muncy

Flood Categories (in feet)
Major Flood Stage:30
Moderate Flood Stage:21
Flood Stage:20
Action Stage:10

Historical Crests
(1) 34.75 ft on 06/23/1972
(2) 33.57 ft on 03/18/1936
(3) 32.40 ft on 06/01/1889
(4) 31.00 ft on 05/21/1884
(5) 29.60 ft on 05/28/1946
Show More Historical Crests

Low Water Records
(1) -0.7 ft on 09/03/1966
(1) -0.7 ft on 11/14/1964
(3) -0.6 ft on 09/17/1943
(4) -0.3 ft on 10/24/1981
(4) -0.3 ft on 09/08/1971

 West Branch Susquehanna River at Williamsport location map

Flood Impacts & Photos Collapse
34.0 Widespread flooding occurs in areas not protected by the levee system.
32.0 Widespread flooding occurs in areas not protected by the levee system. The protective works for Route 220 are closed at this level.
30.0 Many homes and businesses outside the levee system are affected by high water.
27.0 A number of homes in areas not protected by the levee system are affected by high water.
25.0 A number of homes in areas not protected by the levee system are affected by high water.
23.0 Low lying areas on both banks are inundated. A number of homes and businesses in areas not protected by the levee system are affected.
21.0 A number of residences and roads in the area outside the levee system are affected.
20.0 High water affects a few homes and some roadways in areas not protected by the levee system. The camping area west of Williamsport is significantly affected.
Photos
(1) looking upstream
(2) view of the gagehouse
(3) looking downstream

About This Location Expand

Other Data Sources:
U.S. Geological Survey (USGS) Data and Site Info for Williamsport

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Hydrologic Resources
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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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
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