Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
West Branch Susquehanna River at Allenwood Stage (ft)Flow (kcfs)Observed: 7.49 ft at 10:00AM Jun 03, 2023Observed: 7.49 ft at 10:15AM Jun 03, 2023Observed: 7.49 ft at 10:30AM Jun 03, 2023Highest Observation: 7.5 ft at 10:45AM Jun 03, 2023Highest Observation: 7.5 ft at 11:00AM Jun 03, 2023Highest Observation: 7.5 ft at 11:15AM Jun 03, 2023Highest Observation: 7.5 ft at 11:30AM Jun 03, 2023Highest Observation: 7.5 ft at 11:45AM Jun 03, 2023Highest Observation: 7.5 ft at 12:00PM Jun 03, 2023Highest Observation: 7.5 ft at 12:15PM Jun 03, 2023Highest Observation: 7.5 ft at 12:30PM Jun 03, 2023Highest Observation: 7.5 ft at 12:45PM Jun 03, 2023Highest Observation: 7.5 ft at 1:00PM Jun 03, 2023Highest Observation: 7.5 ft at 1:15PM Jun 03, 2023Highest Observation: 7.5 ft at 1:30PM Jun 03, 2023Observed: 7.49 ft at 1:45PM Jun 03, 2023Observed: 7.49 ft at 2:00PM Jun 03, 2023Observed: 7.49 ft at 2:15PM Jun 03, 2023Highest Observation: 7.5 ft at 2:30PM Jun 03, 2023Observed: 7.49 ft at 2:45PM Jun 03, 2023Observed: 7.49 ft at 3:00PM Jun 03, 2023Observed: 7.49 ft at 3:15PM Jun 03, 2023Observed: 7.49 ft at 3:30PM Jun 03, 2023Observed: 7.49 ft at 3:45PM Jun 03, 2023Observed: 7.49 ft at 4:00PM Jun 03, 2023Observed: 7.49 ft at 4:15PM Jun 03, 2023Observed: 7.49 ft at 4:30PM Jun 03, 2023Observed: 7.48 ft at 4:45PM Jun 03, 2023Observed: 7.48 ft at 5:00PM Jun 03, 2023Observed: 7.47 ft at 5:15PM Jun 03, 2023Observed: 7.46 ft at 5:30PM Jun 03, 2023Observed: 7.47 ft at 5:45PM Jun 03, 2023Observed: 7.47 ft at 6:00PM Jun 03, 2023Observed: 7.47 ft at 6:15PM Jun 03, 2023Observed: 7.47 ft at 6:30PM Jun 03, 2023Observed: 7.47 ft at 6:45PM Jun 03, 2023Observed: 7.47 ft at 7:00PM Jun 03, 2023Observed: 7.47 ft at 7:15PM Jun 03, 2023Observed: 7.47 ft at 7:30PM Jun 03, 2023Observed: 7.46 ft at 7:45PM Jun 03, 2023Observed: 7.46 ft at 8:00PM Jun 03, 2023Observed: 7.47 ft at 8:15PM Jun 03, 2023Observed: 7.46 ft at 8:30PM Jun 03, 2023Observed: 7.46 ft at 8:45PM Jun 03, 2023Observed: 7.46 ft at 9:00PM Jun 03, 2023Observed: 7.46 ft at 9:15PM Jun 03, 2023Observed: 7.46 ft at 9:30PM Jun 03, 2023Observed: 7.46 ft at 9:45PM Jun 03, 2023Observed: 7.45 ft at 10:00PM Jun 03, 2023Observed: 7.45 ft at 10:15PM Jun 03, 2023Observed: 7.45 ft at 10:30PM Jun 03, 2023Observed: 7.45 ft at 10:45PM Jun 03, 2023Observed: 7.45 ft at 11:00PM Jun 03, 2023Observed: 7.44 ft at 11:15PM Jun 03, 2023Observed: 7.44 ft at 11:30PM Jun 03, 2023Observed: 7.44 ft at 11:45PM Jun 03, 2023Observed: 7.44 ft at 12:00AM Jun 04, 2023Observed: 7.44 ft at 12:02AM Jun 04, 2023Observed: 7.44 ft at 12:15AM Jun 04, 2023Observed: 7.44 ft at 12:30AM Jun 04, 2023Observed: 7.43 ft at 12:45AM Jun 04, 2023Observed: 7.43 ft at 1:00AM Jun 04, 2023Observed: 7.43 ft at 1:15AM Jun 04, 2023Observed: 7.43 ft at 1:30AM Jun 04, 2023Observed: 7.43 ft at 1:45AM Jun 04, 2023Observed: 7.43 ft at 2:00AM Jun 04, 2023Observed: 7.43 ft at 2:15AM Jun 04, 2023Observed: 7.42 ft at 2:30AM Jun 04, 2023Observed: 7.42 ft at 2:45AM Jun 04, 2023Observed: 7.42 ft at 3:00AM Jun 04, 2023Observed: 7.42 ft at 3:15AM Jun 04, 2023Observed: 7.42 ft at 3:30AM Jun 04, 2023Observed: 7.42 ft at 3:45AM Jun 04, 2023Observed: 7.42 ft at 4:00AM Jun 04, 2023Observed: 7.42 ft at 4:15AM Jun 04, 2023Observed: 7.42 ft at 4:30AM Jun 04, 2023Observed: 7.42 ft at 4:45AM Jun 04, 2023Observed: 7.42 ft at 5:00AM Jun 04, 2023Observed: 7.41 ft at 5:15AM Jun 04, 2023Observed: 7.41 ft at 5:30AM Jun 04, 2023Observed: 7.41 ft at 5:45AM Jun 04, 2023Observed: 7.41 ft at 6:00AM Jun 04, 2023Observed: 7.41 ft at 6:15AM Jun 04, 2023Observed: 7.41 ft at 6:30AM Jun 04, 2023Observed: 7.41 ft at 6:45AM Jun 04, 2023Observed: 7.41 ft at 7:00AM Jun 04, 2023Observed: 7.41 ft at 7:15AM Jun 04, 2023Observed: 7.41 ft at 7:30AM Jun 04, 2023Observed: 7.41 ft at 7:45AM Jun 04, 2023Observed: 7.41 ft at 8:00AM Jun 04, 2023Observed: 7.41 ft at 8:15AM Jun 04, 2023Observed: 7.41 ft at 8:30AM Jun 04, 2023Observed: 7.41 ft at 8:45AM Jun 04, 2023Observed: 7.42 ft at 9:00AM Jun 04, 2023Observed: 7.42 ft at 9:15AM Jun 04, 2023Observed: 7.42 ft at 9:30AM Jun 04, 2023Observed: 7.3 ft at 9:45AM Jun 04, 2023Observed: 7.36 ft at 10:00AM Jun 04, 2023Observed: 7.37 ft at 10:15AM Jun 04, 2023Observed: 7.33 ft at 10:30AM Jun 04, 2023Observed: 7.42 ft at 10:45AM Jun 04, 2023Observed: 7.31 ft at 12:00PM Jun 04, 2023Observed: 7.39 ft at 12:15PM Jun 04, 2023Observed: 7.33 ft at 12:30PM Jun 04, 2023Observed: 7.34 ft at 12:45PM Jun 04, 2023Observed: 7.32 ft at 1:00PM Jun 04, 2023Observed: 7.33 ft at 1:15PM Jun 04, 2023Observed: 7.4 ft at 1:30PM Jun 04, 2023Observed: 7.37 ft at 1:45PM Jun 04, 2023Observed: 7.37 ft at 2:00PM Jun 04, 2023Observed: 7.32 ft at 2:15PM Jun 04, 2023Observed: 7.31 ft at 2:30PM Jun 04, 2023Observed: 7.34 ft at 2:45PM Jun 04, 2023Observed: 7.35 ft at 3:00PM Jun 04, 2023Observed: 7.35 ft at 3:15PM Jun 04, 2023Observed: 7.34 ft at 3:30PM Jun 04, 2023Observed: 7.37 ft at 3:45PM Jun 04, 2023Observed: 7.31 ft at 4:00PM Jun 04, 2023Observed: 7.31 ft at 4:15PM Jun 04, 2023Observed: 7.35 ft at 4:30PM Jun 04, 2023Observed: 7.33 ft at 4:45PM Jun 04, 2023Observed: 7.35 ft at 5:00PM Jun 04, 2023Observed: 7.38 ft at 5:15PM Jun 04, 2023Observed: 7.37 ft at 5:30PM Jun 04, 2023Observed: 7.41 ft at 5:45PM Jun 04, 2023Observed: 7.41 ft at 6:00PM Jun 04, 2023Observed: 7.41 ft at 6:15PM Jun 04, 2023Observed: 7.41 ft at 6:30PM Jun 04, 2023Observed: 7.42 ft at 6:45PM Jun 04, 2023Observed: 7.4 ft at 7:00PM Jun 04, 2023Observed: 7.41 ft at 7:15PM Jun 04, 2023Observed: 7.38 ft at 7:30PM Jun 04, 2023Observed: 7.4 ft at 7:45PM Jun 04, 2023Observed: 7.4 ft at 8:00PM Jun 04, 2023Observed: 7.41 ft at 8:15PM Jun 04, 2023Observed: 7.41 ft at 8:30PM Jun 04, 2023Observed: 7.41 ft at 8:45PM Jun 04, 2023Observed: 7.4 ft at 9:00PM Jun 04, 2023Observed: 7.41 ft at 9:15PM Jun 04, 2023Observed: 7.41 ft at 9:30PM Jun 04, 2023Observed: 7.41 ft at 9:45PM Jun 04, 2023Observed: 7.4 ft at 10:00PM Jun 04, 2023Observed: 7.4 ft at 10:15PM Jun 04, 2023Observed: 7.4 ft at 10:30PM Jun 04, 2023Observed: 7.4 ft at 10:45PM Jun 04, 2023Observed: 7.4 ft at 11:00PM Jun 04, 2023Observed: 7.4 ft at 11:01PM Jun 04, 2023Observed: 7.39 ft at 11:15PM Jun 04, 2023Observed: 7.4 ft at 11:30PM Jun 04, 2023Observed: 7.39 ft at 11:45PM Jun 04, 2023Observed: 7.39 ft at 12:00AM Jun 05, 2023Observed: 7.39 ft at 12:15AM Jun 05, 2023Observed: 7.39 ft at 12:30AM Jun 05, 2023Observed: 7.39 ft at 12:45AM Jun 05, 2023Observed: 7.39 ft at 1:00AM Jun 05, 2023Observed: 7.39 ft at 1:15AM Jun 05, 2023Observed: 7.39 ft at 1:30AM Jun 05, 2023Observed: 7.39 ft at 1:45AM Jun 05, 2023Observed: 7.39 ft at 2:00AM Jun 05, 2023Observed: 7.39 ft at 2:15AM Jun 05, 2023Observed: 7.39 ft at 2:30AM Jun 05, 2023Observed: 7.38 ft at 2:45AM Jun 05, 2023Observed: 7.38 ft at 3:00AM Jun 05, 2023Observed: 7.38 ft at 3:15AM Jun 05, 2023Observed: 7.38 ft at 3:30AM Jun 05, 2023Observed: 7.38 ft at 3:45AM Jun 05, 2023Observed: 7.38 ft at 4:00AM Jun 05, 2023Observed: 7.38 ft at 4:15AM Jun 05, 2023Observed: 7.38 ft at 4:30AM Jun 05, 2023Observed: 7.38 ft at 4:45AM Jun 05, 2023Observed: 7.38 ft at 5:00AM Jun 05, 2023Observed: 7.38 ft at 5:15AM Jun 05, 2023Observed: 7.38 ft at 5:30AM Jun 05, 2023Observed: 7.38 ft at 5:45AM Jun 05, 2023Observed: 7.38 ft at 6:00AM Jun 05, 2023Observed: 7.38 ft at 6:15AM Jun 05, 2023Observed: 7.38 ft at 6:30AM Jun 05, 2023Observed: 7.38 ft at 6:45AM Jun 05, 2023Observed: 7.38 ft at 8:00AM Jun 05, 2023Observed: 7.38 ft at 8:15AM Jun 05, 2023Observed: 7.34 ft at 8:30AM Jun 05, 2023Observed: 7.36 ft at 8:45AM Jun 05, 2023Observed: 7.37 ft at 9:00AM Jun 05, 2023Observed: 7.28 ft at 9:15AM Jun 05, 2023Observed: 7.28 ft at 9:30AM Jun 05, 2023Observed: 7.31 ft at 9:45AM Jun 05, 2023Observed: 7.3 ft at 10:00AM Jun 05, 2023Observed: 7.35 ft at 10:15AM Jun 05, 2023Observed: 7.28 ft at 10:30AM Jun 05, 2023Observed: 7.29 ft at 10:45AM Jun 05, 2023Observed: 7.28 ft at 11:00AM Jun 05, 2023Observed: 7.29 ft at 11:15AM Jun 05, 2023Observed: 7.27 ft at 11:30AM Jun 05, 2023Observed: 7.28 ft at 11:45AM Jun 05, 2023Observed: 7.36 ft at 12:00PM Jun 05, 2023Observed: 7.28 ft at 12:15PM Jun 05, 2023Observed: 7.36 ft at 12:30PM Jun 05, 2023Observed: 7.3 ft at 12:45PM Jun 05, 2023Observed: 7.39 ft at 1:00PM Jun 05, 2023Observed: 7.29 ft at 1:15PM Jun 05, 2023Observed: 7.3 ft at 1:30PM Jun 05, 2023Observed: 7.28 ft at 1:45PM Jun 05, 2023Observed: 7.28 ft at 2:00PM Jun 05, 2023Observed: 7.27 ft at 2:15PM Jun 05, 2023Observed: 7.31 ft at 2:30PM Jun 05, 2023Observed: 7.28 ft at 2:45PM Jun 05, 2023Observed: 7.35 ft at 3:00PM Jun 05, 2023Observed: 7.31 ft at 3:15PM Jun 05, 2023Observed: 7.29 ft at 3:30PM Jun 05, 2023Observed: 7.28 ft at 3:45PM Jun 05, 2023Observed: 7.28 ft at 4:00PM Jun 05, 2023Observed: 7.27 ft at 4:15PM Jun 05, 2023Observed: 7.32 ft at 4:30PM Jun 05, 2023Observed: 7.32 ft at 4:45PM Jun 05, 2023Observed: 7.37 ft at 5:00PM Jun 05, 2023Observed: 7.36 ft at 5:15PM Jun 05, 2023Observed: 7.35 ft at 5:30PM Jun 05, 2023Observed: 7.34 ft at 5:45PM Jun 05, 2023Observed: 7.37 ft at 6:00PM Jun 05, 2023Observed: 7.37 ft at 6:15PM Jun 05, 2023Observed: 7.37 ft at 6:30PM Jun 05, 2023Observed: 7.37 ft at 6:45PM Jun 05, 2023Observed: 7.37 ft at 7:00PM Jun 05, 2023Observed: 7.37 ft at 7:15PM Jun 05, 2023Observed: 7.36 ft at 7:30PM Jun 05, 2023Observed: 7.36 ft at 7:45PM Jun 05, 2023Observed: 7.36 ft at 8:00PM Jun 05, 2023Observed: 7.36 ft at 8:15PM Jun 05, 2023Observed: 7.36 ft at 8:30PM Jun 05, 2023Observed: 7.36 ft at 8:45PM Jun 05, 2023Observed: 7.35 ft at 9:00PM Jun 05, 2023Observed: 7.35 ft at 9:15PM Jun 05, 2023Observed: 7.35 ft at 9:30PM Jun 05, 2023Observed: 7.35 ft at 9:45PM Jun 05, 2023Observed: 7.35 ft at 10:00PM Jun 05, 2023Observed: 7.35 ft at 10:01PM Jun 05, 2023Observed: 7.35 ft at 10:15PM Jun 05, 2023Observed: 7.35 ft at 10:30PM Jun 05, 2023Observed: 7.34 ft at 10:45PM Jun 05, 2023Observed: 7.34 ft at 11:00PM Jun 05, 2023Observed: 7.34 ft at 11:15PM Jun 05, 2023Observed: 7.34 ft at 11:30PM Jun 05, 2023Observed: 7.34 ft at 11:45PM Jun 05, 2023Observed: 7.33 ft at 12:00AM Jun 06, 2023Observed: 7.33 ft at 12:15AM Jun 06, 2023Observed: 7.33 ft at 12:30AM Jun 06, 2023Observed: 7.33 ft at 12:45AM Jun 06, 2023Observed: 7.33 ft at 1:00AM Jun 06, 2023Observed: 7.33 ft at 1:15AM Jun 06, 2023Observed: 7.32 ft at 1:30AM Jun 06, 2023Observed: 7.32 ft at 1:45AM Jun 06, 2023Observed: 7.33 ft at 2:00AM Jun 06, 2023Observed: 7.33 ft at 2:15AM Jun 06, 2023Observed: 7.33 ft at 2:30AM Jun 06, 2023Observed: 7.33 ft at 2:45AM Jun 06, 2023Observed: 7.33 ft at 3:00AM Jun 06, 2023Observed: 7.32 ft at 3:15AM Jun 06, 2023Observed: 7.33 ft at 3:30AM Jun 06, 2023Observed: 7.33 ft at 3:45AM Jun 06, 2023Observed: 7.33 ft at 4:00AM Jun 06, 2023Observed: 7.33 ft at 4:15AM Jun 06, 2023Observed: 7.32 ft at 4:30AM Jun 06, 2023Observed: 7.32 ft at 4:45AM Jun 06, 2023Observed: 7.32 ft at 5:00AM Jun 06, 2023Observed: 7.32 ft at 5:15AM Jun 06, 2023Observed: 7.32 ft at 5:30AM Jun 06, 2023Observed: 7.32 ft at 5:45AM Jun 06, 2023Observed: 7.32 ft at 6:00AM Jun 06, 2023Observed: 7.32 ft at 6:15AM Jun 06, 2023Observed: 7.32 ft at 6:30AM Jun 06, 2023Observed: 7.32 ft at 6:45AM Jun 06, 2023Observed: 7.33 ft at 7:00AM Jun 06, 2023Observed: 7.33 ft at 7:15AM Jun 06, 2023Observed: 7.33 ft at 7:30AM Jun 06, 2023Observed: 7.33 ft at 7:45AM Jun 06, 2023Observed: 7.33 ft at 8:00AM Jun 06, 2023Observed: 7.33 ft at 8:15AM Jun 06, 2023Observed: 7.33 ft at 8:30AM Jun 06, 2023Observed: 7.32 ft at 8:45AM Jun 06, 2023Highest Forecast: 7.4 ft 2:00PM Jun 06, 2023Highest Forecast: 7.4 ft 8:00PM Jun 06, 2023Highest Forecast: 7.4 ft 2:00AM Jun 07, 2023Forecast: 7.3 ft 8:00AM Jun 07, 2023Forecast: 7.3 ft 2:00PM Jun 07, 2023Forecast: 7.3 ft 8:00PM Jun 07, 2023Forecast: 7.3 ft 2:00AM Jun 08, 2023Forecast: 7.3 ft 8:00AM Jun 08, 2023USGS--Water Resources of the United StatesALWP1(plotting HGIRG) Graph Created (9:48AM Jun 6, 2023)ObservedForecast (issued 9:38AM Jun 5)Latest observed value: 7.32 ft at 8:45 AM EDT 6-Jun-2023. Flood Stage is 24 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the West Branch Susquehanna River at Allenwood are issued routinely year-round.
Return to Area Map
Upstream Gauge - near Muncy Upstream Gauge Downstream Gauge Downstream Gauge - at West Milton
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 26
Flood Stage: 24
Action Stage: 20
Low Stage (in feet): -9999

Historic Crests
(1) 26.07 ft on 09/11/2018
(2) 21.35 ft on 05/01/2020
(3) 20.40 ft on 12/22/2018
(4) 19.15 ft on 05/07/2017
(5) 16.29 ft on 02/25/2016
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.35 ft on 05/01/2020
(2) 20.40 ft on 12/22/2018
(3) 26.07 ft on 09/11/2018
(4) 19.15 ft on 05/07/2017
(5) 16.29 ft on 02/25/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 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
If you notice any errors in the below information, please contact our Webmaster
32 Many homes in Watsontown are affected by high water levels. A number of streets and roads are closed.
30 Many residences on Canal Street in Watsontown flood. Some homes on Elm Street are also affected. Homes and businesses in other low lying areas are also affected.
28 A number of homes in the Watsontown area are affected by high water.
26 Homes in the Park Manor section on the left, or east bank of the river flood.
24 The park on the left, or east bank floods. Roadway flooding occurs at a few low lying areas on both sides of the river.
22 River interests are encouraged to monitor conditions for further rises. A few roads in the vacinity of Watsontown are affected by high water.
20 River interests are encouraged to monitor conditions for further rises. A few roads including Routes 405 and 44 between Milton and Watsontown are affected by high water.
About This Location Collapse

Latitude: 41.108056° N, Longitude: 76.890000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 24 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 441.2 465.2 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.
Resources Collapse
Hydrologic Resources Additional Resources
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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities