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Hydrograph River at a Glance Download
Falls Creek (AK) near Petersburg Stage (ft)Observed: 17.99 ft at 5:12PM Mar 19, 2017Observed: 18.01 ft at 7:21PM Mar 19, 2017Observed: 18.01 ft at 1:52AM Mar 20, 2017Observed: 17.97 ft at 6:11AM Mar 20, 2017Observed: 17.93 ft at 12:43PM Mar 20, 2017Observed: 17.89 ft at 2:52PM Mar 20, 2017Observed: 17.93 ft at 9:25PM Mar 20, 2017Observed: 18.06 ft at 3:55AM Mar 21, 2017Observed: 18.12 ft at 6:03AM Mar 21, 2017Observed: 18.16 ft at 8:10AM Mar 21, 2017Observed: 17.93 ft at 12:31PM Mar 21, 2017Observed: 17.89 ft at 4:54PM Mar 21, 2017Observed: 17.93 ft at 7:02PM Mar 21, 2017Observed: 17.92 ft at 11:21PM Mar 21, 2017Observed: 17.92 ft at 1:30AM Mar 22, 2017Observed: 17.92 ft at 3:38AM Mar 22, 2017Observed: 17.92 ft at 5:46AM Mar 22, 2017Observed: 17.92 ft at 5:47AM Mar 22, 2017Observed: 17.96 ft at 7:56AM Mar 22, 2017Observed: 17.92 ft at 10:04AM Mar 22, 2017Observed: 17.92 ft at 12:13PM Mar 22, 2017Observed: 17.9 ft at 2:22PM Mar 22, 2017Observed: 17.89 ft at 6:42PM Mar 22, 2017Observed: 17.89 ft at 8:50PM Mar 22, 2017Observed: 17.9 ft at 10:58PM Mar 22, 2017Observed: 17.9 ft at 1:07AM Mar 23, 2017Observed: 17.91 ft at 5:27AM Mar 23, 2017Observed: 17.91 ft at 7:38AM Mar 23, 2017Observed: 17.9 ft at 2:09PM Mar 23, 2017Observed: 17.92 ft at 4:18PM Mar 23, 2017Observed: 17.92 ft at 6:27PM Mar 23, 2017Observed: 17.98 ft at 8:36PM Mar 23, 2017Observed: 18.07 ft at 12:55AM Mar 24, 2017Observed: 18.15 ft at 3:04AM Mar 24, 2017Observed: 18.16 ft at 5:12AM Mar 24, 2017Observed: 18.15 ft at 7:20AM Mar 24, 2017Observed: 18.06 ft at 11:39AM Mar 24, 2017Observed: 18.03 ft at 1:49PM Mar 24, 2017Observed: 18.02 ft at 6:09PM Mar 24, 2017Observed: 18.19 ft at 12:39AM Mar 25, 2017Observed: 18.31 ft at 2:48AM Mar 25, 2017Observed: 18.4 ft at 5:00AM Mar 25, 2017Observed: 18.42 ft at 7:10AM Mar 25, 2017Observed: 18.33 ft at 3:53PM Mar 25, 2017Observed: 18.37 ft at 6:01PM Mar 25, 2017Observed: 18.42 ft at 8:09PM Mar 25, 2017Observed: 18.53 ft at 10:17PM Mar 25, 2017Observed: 18.58 ft at 12:26AM Mar 26, 2017Highest Observation: 18.61 ft at 2:35AM Mar 26, 2017Observed: 18.6 ft at 4:43AM Mar 26, 2017Observed: 18.54 ft at 6:51AM Mar 26, 2017Observed: 18.49 ft at 9:00AM Mar 26, 2017Observed: 18.41 ft at 11:09AM Mar 26, 2017Observed: 18.33 ft at 1:18PM Mar 26, 2017Observed: 18.31 ft at 3:28PM Mar 26, 2017FLSA2(plotting HGIRZ) Graph Created (4:32PM Mar 26, 2017)ObservedLatest observed value: 18.31 ft at 3:28 PM AKDT 26-Mar-2017. Flood Stage is 22.5 ft
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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: Gauge reading may be affected by ice during freezing weather from November to April.

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

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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
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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.
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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  
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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
Juneau Weather Forecast Office
8500 Mendenhall Loop Road
Juneau, AK 99801
(907) 790-6802
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Page last modified: 21-Dec-2016 10:34 PM
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