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
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Falls Creek (AK) near Petersburg Stage (ft)Observed: 18.28 ft at 8:07AM May 18, 2020Observed: 18.09 ft at 2:43PM May 18, 2020Observed: 18.09 ft at 9:18PM May 18, 2020Observed: 18.18 ft at 11:27PM May 18, 2020Observed: 18.27 ft at 1:35AM May 19, 2020Observed: 18.22 ft at 5:55AM May 19, 2020Observed: 18.22 ft at 12:27PM May 19, 2020Observed: 18.62 ft at 9:11PM May 19, 2020Observed: 18.94 ft at 11:20PM May 19, 2020Highest Observation: 18.99 ft at 1:29AM May 20, 2020Observed: 18.82 ft at 3:37AM May 20, 2020Observed: 18.67 ft at 5:45AM May 20, 2020Observed: 18.56 ft at 7:54AM May 20, 2020Observed: 18.3 ft at 1:26AM May 21, 2020Observed: 18.29 ft at 7:57AM May 21, 2020Observed: 18.14 ft at 4:42PM May 21, 2020Observed: 18.13 ft at 6:51PM May 21, 2020Observed: 18.12 ft at 9:00PM May 21, 2020Observed: 18.12 ft at 11:09PM May 21, 2020Observed: 18.13 ft at 1:17AM May 22, 2020Observed: 18.18 ft at 5:37AM May 22, 2020Observed: 18.11 ft at 12:09PM May 22, 2020Observed: 18.08 ft at 2:18PM May 22, 2020Observed: 18.07 ft at 6:40PM May 22, 2020Observed: 18.05 ft at 8:49PM May 22, 2020Observed: 18.11 ft at 1:10AM May 23, 2020Observed: 18.12 ft at 3:18AM May 23, 2020Observed: 18.13 ft at 5:27AM May 23, 2020Observed: 18.12 ft at 7:36AM May 23, 2020Observed: 18.04 ft at 4:19PM May 23, 2020Observed: 18.06 ft at 6:28PM May 23, 2020Observed: 18.47 ft at 1:00AM May 24, 2020Observed: 18.63 ft at 5:20AM May 24, 2020Observed: 18.63 ft at 7:29AM May 24, 2020Observed: 18.63 ft at 7:30AM May 24, 2020Observed: 18.86 ft at 4:14PM May 24, 2020Observed: 18.82 ft at 6:23PM May 24, 2020Observed: 18.78 ft at 8:32PM May 24, 2020Observed: 18.71 ft at 10:41PM May 24, 2020Observed: 18.62 ft at 12:49AM May 25, 2020Observed: 18.47 ft at 5:09AM May 25, 2020FLSA2(plotting HGIRZ) Graph Created (6:32AM May 25, 2020)ObservedLatest observed value: 18.47 ft at 5:09 AM AKDT 25-May-2020. Flood Stage is 22.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Stage and discharge data do not meet quality standards of USGS gages.

NOTE: Forecasts are not available for the Falls Creek (AK) near Petersburg. Only observed stages are available for this point.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 24
Flood Stage: 22.5
Action Stage: 21.5
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:14
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
27 Water levels will be at the horizontal ibeam of the 9 mile bridge along Mitkof highway, this is major flood stage.
24 Water levels will be at the bridge abutment of 9 mile bridge along Mitkof Highway, this is moderate flood stage.
Photos
(1) Looking down stream from 9mi bridge
(2) Looking upstream from 9mi bridge
About This Location Collapse

Latitude: 56.681700° N, Longitude: 132.923500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 22.5 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 Not Available Not Available 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  
Additional Information Collapse
Long-term Hydrograph
Water Temperature Chart
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
Juneau Weather Forecast Office
8500 Mendenhall Loop Road
Juneau, AK 99801
(907) 790-6802
Ask Questions/Webmaster
Page last modified: 1-Mar-2019 12:31 AM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities