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Hydrograph River at a Glance Download
Willow Creek at Parks Highway Stage (ft)Observed: 6.47 ft at 4:25PM Aug 01, 2020Observed: 6.48 ft at 5:25PM Aug 01, 2020Observed: 6.49 ft at 6:25PM Aug 01, 2020Observed: 6.51 ft at 7:24PM Aug 01, 2020Observed: 6.5 ft at 8:24PM Aug 01, 2020Observed: 6.49 ft at 9:24PM Aug 01, 2020Observed: 6.47 ft at 10:24PM Aug 01, 2020Observed: 6.49 ft at 11:23PM Aug 01, 2020Observed: 6.51 ft at 12:23AM Aug 02, 2020Observed: 6.54 ft at 1:23AM Aug 02, 2020Observed: 6.56 ft at 2:23AM Aug 02, 2020Observed: 6.6 ft at 4:22AM Aug 02, 2020Observed: 6.59 ft at 5:22AM Aug 02, 2020Observed: 6.63 ft at 6:22AM Aug 02, 2020Observed: 6.63 ft at 7:21AM Aug 02, 2020Observed: 6.65 ft at 8:21AM Aug 02, 2020Observed: 6.66 ft at 9:21AM Aug 02, 2020Observed: 6.66 ft at 10:20AM Aug 02, 2020Observed: 6.67 ft at 11:20AM Aug 02, 2020Observed: 6.63 ft at 1:20PM Aug 02, 2020Observed: 6.67 ft at 2:19PM Aug 02, 2020Observed: 6.63 ft at 3:19PM Aug 02, 2020Observed: 6.65 ft at 4:19PM Aug 02, 2020Observed: 6.63 ft at 6:18PM Aug 02, 2020Observed: 6.66 ft at 7:18PM Aug 02, 2020Observed: 6.61 ft at 8:18PM Aug 02, 2020Observed: 6.61 ft at 9:18PM Aug 02, 2020Observed: 6.6 ft at 10:17PM Aug 02, 2020Observed: 6.61 ft at 11:17PM Aug 02, 2020Observed: 6.59 ft at 12:17AM Aug 03, 2020Observed: 6.57 ft at 1:16AM Aug 03, 2020Observed: 6.58 ft at 2:16AM Aug 03, 2020Observed: 6.55 ft at 3:16AM Aug 03, 2020Observed: 6.55 ft at 4:16AM Aug 03, 2020Observed: 6.53 ft at 5:15AM Aug 03, 2020Observed: 6.53 ft at 6:15AM Aug 03, 2020Observed: 6.52 ft at 7:15AM Aug 03, 2020Observed: 6.54 ft at 8:14AM Aug 03, 2020Observed: 6.54 ft at 9:14AM Aug 03, 2020Observed: 6.55 ft at 10:14AM Aug 03, 2020Observed: 6.53 ft at 11:14AM Aug 03, 2020Observed: 6.51 ft at 1:15PM Aug 03, 2020Observed: 6.51 ft at 2:01PM Aug 03, 2020Observed: 6.51 ft at 2:13PM Aug 03, 2020Observed: 6.49 ft at 3:13PM Aug 03, 2020Observed: 6.41 ft at 4:12PM Aug 03, 2020Observed: 6.47 ft at 5:12PM Aug 03, 2020Observed: 6.42 ft at 6:12PM Aug 03, 2020Observed: 6.34 ft at 7:12PM Aug 03, 2020Observed: 6.4 ft at 8:11PM Aug 03, 2020Observed: 6.44 ft at 10:11PM Aug 03, 2020Observed: 6.47 ft at 11:11PM Aug 03, 2020Observed: 6.47 ft at 12:10AM Aug 04, 2020Observed: 6.46 ft at 1:10AM Aug 04, 2020Observed: 6.45 ft at 2:10AM Aug 04, 2020Observed: 6.45 ft at 3:09AM Aug 04, 2020Observed: 6.47 ft at 4:09AM Aug 04, 2020Observed: 6.48 ft at 5:09AM Aug 04, 2020Observed: 6.45 ft at 6:09AM Aug 04, 2020Observed: 6.47 ft at 7:08AM Aug 04, 2020Observed: 6.47 ft at 8:08AM Aug 04, 2020Observed: 6.51 ft at 9:08AM Aug 04, 2020Observed: 6.51 ft at 10:08AM Aug 04, 2020Observed: 6.49 ft at 11:07AM Aug 04, 2020Observed: 6.48 ft at 12:07PM Aug 04, 2020Observed: 6.41 ft at 2:07PM Aug 04, 2020Observed: 6.41 ft at 4:07PM Aug 04, 2020Observed: 6.41 ft at 5:01PM Aug 04, 2020Observed: 6.36 ft at 5:06PM Aug 04, 2020Observed: 6.26 ft at 7:05PM Aug 04, 2020Observed: 6.24 ft at 8:05PM Aug 04, 2020Observed: 6.41 ft at 10:04PM Aug 04, 2020Observed: 6.41 ft at 11:04PM Aug 04, 2020Observed: 6.4 ft at 12:04AM Aug 05, 2020Observed: 6.45 ft at 1:04AM Aug 05, 2020Observed: 6.61 ft at 2:03AM Aug 05, 2020Observed: 6.77 ft at 3:03AM Aug 05, 2020Observed: 6.76 ft at 4:03AM Aug 05, 2020Highest Observation: 6.79 ft at 5:02AM Aug 05, 2020Observed: 6.75 ft at 6:02AM Aug 05, 2020Observed: 6.72 ft at 7:02AM Aug 05, 2020Observed: 6.76 ft at 8:02AM Aug 05, 2020Observed: 6.74 ft at 9:01AM Aug 05, 2020Observed: 6.75 ft at 10:01AM Aug 05, 2020Observed: 6.7 ft at 11:01AM Aug 05, 2020Observed: 6.7 ft at 12:01PM Aug 05, 2020Observed: 6.63 ft at 2:00PM Aug 05, 2020Observed: 6.63 ft at 3:01PM Aug 05, 2020Observed: 6.54 ft at 4:00PM Aug 05, 2020Observed: 6.47 ft at 4:59PM Aug 05, 2020Observed: 6.43 ft at 5:59PM Aug 05, 2020Observed: 6.45 ft at 6:59PM Aug 05, 2020Observed: 6.45 ft at 7:58PM Aug 05, 2020Observed: 6.54 ft at 8:58PM Aug 05, 2020Observed: 6.55 ft at 9:58PM Aug 05, 2020Observed: 6.58 ft at 10:58PM Aug 05, 2020Observed: 6.55 ft at 11:58PM Aug 05, 2020Observed: 6.53 ft at 12:57AM Aug 06, 2020Observed: 6.5 ft at 1:57AM Aug 06, 2020Observed: 6.5 ft at 2:57AM Aug 06, 2020Observed: 6.49 ft at 3:56AM Aug 06, 2020Observed: 6.49 ft at 4:56AM Aug 06, 2020Observed: 6.51 ft at 5:56AM Aug 06, 2020Observed: 6.5 ft at 6:56AM Aug 06, 2020Observed: 6.51 ft at 7:55AM Aug 06, 2020Observed: 6.51 ft at 8:55AM Aug 06, 2020Observed: 6.54 ft at 9:55AM Aug 06, 2020Observed: 6.53 ft at 10:55AM Aug 06, 2020Observed: 6.52 ft at 11:54AM Aug 06, 2020Observed: 6.5 ft at 12:54PM Aug 06, 2020Observed: 6.52 ft at 1:54PM Aug 06, 2020Observed: 6.51 ft at 2:54PM Aug 06, 2020Observed: 6.51 ft at 3:53PM Aug 06, 2020Observed: 6.49 ft at 4:53PM Aug 06, 2020Observed: 6.49 ft at 5:53PM Aug 06, 2020Observed: 6.48 ft at 6:52PM Aug 06, 2020Observed: 6.47 ft at 7:52PM Aug 06, 2020Observed: 6.47 ft at 8:52PM Aug 06, 2020Observed: 6.47 ft at 9:52PM Aug 06, 2020Observed: 6.45 ft at 10:51PM Aug 06, 2020Observed: 6.43 ft at 11:51PM Aug 06, 2020Observed: 6.46 ft at 12:51AM Aug 07, 2020Observed: 6.46 ft at 1:50AM Aug 07, 2020Observed: 6.45 ft at 2:50AM Aug 07, 2020Observed: 6.45 ft at 3:50AM Aug 07, 2020Observed: 6.44 ft at 4:50AM Aug 07, 2020Observed: 6.46 ft at 5:49AM Aug 07, 2020Observed: 6.45 ft at 6:49AM Aug 07, 2020Observed: 6.44 ft at 7:49AM Aug 07, 2020Observed: 6.45 ft at 8:49AM Aug 07, 2020Observed: 6.45 ft at 9:48AM Aug 07, 2020Observed: 6.45 ft at 10:48AM Aug 07, 2020Observed: 6.45 ft at 11:48AM Aug 07, 2020Observed: 6.42 ft at 12:48PM Aug 07, 2020Observed: 6.38 ft at 1:47PM Aug 07, 2020Observed: 6.36 ft at 2:47PM Aug 07, 2020Observed: 6.35 ft at 3:47PM Aug 07, 2020Observed: 6.33 ft at 4:46PM Aug 07, 2020Observed: 6.31 ft at 5:46PM Aug 07, 2020Observed: 6.3 ft at 6:46PM Aug 07, 2020Observed: 6.19 ft at 7:46PM Aug 07, 2020Observed: 6.32 ft at 8:45PM Aug 07, 2020Observed: 6.36 ft at 9:45PM Aug 07, 2020Observed: 6.36 ft at 10:45PM Aug 07, 2020Observed: 6.41 ft at 11:45PM Aug 07, 2020Observed: 6.37 ft at 12:44AM Aug 08, 2020Observed: 6.4 ft at 1:44AM Aug 08, 2020Observed: 6.38 ft at 2:44AM Aug 08, 2020Observed: 6.44 ft at 4:43AM Aug 08, 2020Observed: 6.45 ft at 5:43AM Aug 08, 2020Observed: 6.46 ft at 6:43AM Aug 08, 2020Observed: 6.5 ft at 7:43AM Aug 08, 2020Observed: 6.52 ft at 8:42AM Aug 08, 2020Observed: 6.52 ft at 9:42AM Aug 08, 2020Observed: 6.51 ft at 10:42AM Aug 08, 2020Observed: 6.48 ft at 11:42AM Aug 08, 2020Observed: 6.49 ft at 12:41PM Aug 08, 2020Observed: 6.48 ft at 1:41PM Aug 08, 2020Observed: 6.44 ft at 2:41PM Aug 08, 2020Observed: 6.45 ft at 3:40PM Aug 08, 2020Observed: 6.46 ft at 4:40PM Aug 08, 2020Observed: 6.33 ft at 5:40PM Aug 08, 2020Observed: 6.45 ft at 6:40PM Aug 08, 2020Observed: 6.52 ft at 7:39PM Aug 08, 2020Observed: 6.52 ft at 8:39PM Aug 08, 2020Observed: 6.5 ft at 9:39PM Aug 08, 2020Observed: 6.51 ft at 10:39PM Aug 08, 2020Observed: 6.5 ft at 11:38PM Aug 08, 2020Observed: 6.53 ft at 12:38AM Aug 09, 2020Observed: 6.55 ft at 1:38AM Aug 09, 2020Observed: 6.56 ft at 2:37AM Aug 09, 2020Observed: 6.54 ft at 3:37AM Aug 09, 2020Observed: 6.54 ft at 4:37AM Aug 09, 2020Observed: 6.55 ft at 5:37AM Aug 09, 2020Observed: 6.52 ft at 6:36AM Aug 09, 2020Observed: 6.5 ft at 7:36AM Aug 09, 2020Observed: 6.54 ft at 8:36AM Aug 09, 2020Observed: 6.47 ft at 9:36AM Aug 09, 2020Observed: 6.51 ft at 10:35AM Aug 09, 2020Observed: 6.51 ft at 11:35AM Aug 09, 2020Observed: 6.52 ft at 12:35PM Aug 09, 2020Observed: 6.46 ft at 1:35PM Aug 09, 2020Observed: 6.42 ft at 2:34PM Aug 09, 2020Observed: 6.36 ft at 3:34PM Aug 09, 2020Observed: 6.34 ft at 4:34PM Aug 09, 2020Observed: 6.38 ft at 5:33PM Aug 09, 2020Observed: 6.39 ft at 6:33PM Aug 09, 2020Observed: 6.41 ft at 7:33PM Aug 09, 2020Observed: 6.42 ft at 8:33PM Aug 09, 2020Observed: 6.44 ft at 9:32PM Aug 09, 2020Observed: 6.43 ft at 10:32PM Aug 09, 2020Observed: 6.46 ft at 11:32PM Aug 09, 2020Observed: 6.46 ft at 12:32AM Aug 10, 2020Observed: 6.45 ft at 1:31AM Aug 10, 2020Observed: 6.43 ft at 2:31AM Aug 10, 2020Observed: 6.45 ft at 3:31AM Aug 10, 2020Observed: 6.45 ft at 4:30AM Aug 10, 2020Observed: 6.45 ft at 5:30AM Aug 10, 2020Observed: 6.47 ft at 6:30AM Aug 10, 2020Observed: 6.45 ft at 7:30AM Aug 10, 2020Observed: 6.47 ft at 8:29AM Aug 10, 2020Observed: 6.47 ft at 9:29AM Aug 10, 2020Observed: 6.46 ft at 10:29AM Aug 10, 2020Observed: 6.45 ft at 11:29AM Aug 10, 2020Observed: 6.44 ft at 12:28PM Aug 10, 2020Observed: 6.42 ft at 1:28PM Aug 10, 2020Observed: 6.41 ft at 2:28PM Aug 10, 2020Observed: 6.37 ft at 3:28PM Aug 10, 2020Observed: 6.32 ft at 4:27PM Aug 10, 2020Observed: 6.35 ft at 5:27PM Aug 10, 2020Observed: 6.26 ft at 6:27PM Aug 10, 2020Observed: 6.26 ft at 7:27PM Aug 10, 2020Observed: 6.37 ft at 8:26PM Aug 10, 2020Observed: 6.38 ft at 9:26PM Aug 10, 2020Observed: 6.41 ft at 10:26PM Aug 10, 2020Observed: 6.43 ft at 11:25PM Aug 10, 2020Observed: 6.44 ft at 12:25AM Aug 11, 2020Observed: 6.44 ft at 1:25AM Aug 11, 2020Observed: 6.44 ft at 2:25AM Aug 11, 2020Observed: 6.43 ft at 4:24AM Aug 11, 2020Observed: 6.48 ft at 5:24AM Aug 11, 2020Observed: 6.46 ft at 6:24AM Aug 11, 2020Observed: 6.46 ft at 7:23AM Aug 11, 2020Observed: 6.5 ft at 8:23AM Aug 11, 2020Observed: 6.49 ft at 9:23AM Aug 11, 2020Observed: 6.54 ft at 10:23AM Aug 11, 2020Observed: 6.55 ft at 11:22AM Aug 11, 2020Forecast: 6.82 ft 4:00PM Aug 11, 2020Forecast: 6.94 ft 10:00PM Aug 11, 2020Forecast: 7.01 ft 4:00AM Aug 12, 2020Highest Forecast: 7.02 ft 10:00AM Aug 12, 2020Forecast: 6.99 ft 4:00PM Aug 12, 2020Forecast: 6.98 ft 10:00PM Aug 12, 2020WILA2(plotting HGIRZ) Graph Created (12:16PM Aug 11, 2020)ObservedForecast (issued 3:26PM Aug 10)Latest observed value: 6.55 ft at 11:22 AM AKDT 11-Aug-2020. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Stage and discharge data do not meet quality standards of USGS gages.

NOTE: Forecasts for the Willow Creek at Parks Highway are issued routinely during the warm season, and as needed at other times of the year.

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Upstream Gauge - near Willow Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 12.5
Moderate Flood Stage: 11.5
Flood Stage: 10
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 13.86 ft on 10/11/1986
(2) 13.35 ft on 09/21/2012 (P)
(3) 12.96 ft on 08/19/2006
(4) 11.10 ft on 09/29/2015 (P)
(5) 11.08 ft on 09/11/1975
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.77 ft on 07/09/2017 (P)
(2) 9.45 ft on 09/13/2016 (P)
(3) 11.10 ft on 09/29/2015 (P)
(4) 8.88 ft on 06/26/2014 (P)
(5) 9.99 ft on 10/06/2012 (P)
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:8
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
12.9 PIONEER LODGE FLOODS.
10.5 SIGNIFICANT OVERLAND FLOW UPSTREAM OF PARKS HIGHWAY BRIDGE. JOHNSON DRIVE AND ADJACENT ROADS ON SOUTH SIDE OF RIVER ARE INNUNDATED AND IMPASSABLE.
9 High water level -- Class IV whitewater in Willow Creek canyon
8.3 Medium water level -- Class IV whitewater in Willow Creek canyon
7.5 Low water level -- Class III whitewater in Willow Creek canyon
Photos
(1) Gage
(2) Looking Downstream on 6/17/2019
(3) Looking Upstream on 6/17/2019
About This Location Collapse

Latitude: 61.766667° N, Longitude: 150.066667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 144.30 ft 154.30 ft 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
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
Anchorage Weather Forecast Office
6930 Sand Lake Road
Anchorage, AK 99502
(907) 266-5160
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Page last modified: 4-Mar-2019 11:26 PM
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