Rivers in Alaska

Snow River near Seward

Kenai Peninsula County, AlaskaNWS SNOA2USGS 15243900Anchorage office

Below flood stage
7.79ftStage

Observed Sun, Sep 20, 4:00 PM UTC

Flood stage
16.00 ft
Forecast crest
8.10 ftMon, Sep 21, 6:00 AM UTC
Record crest
14.57 ft2019

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood18.00 ft
Moderate flood17.00 ft
Minor flood16.00 ft
Action12.00 ft
  1. 16.50 ftHouses along Primrose Road will begin to flood.
  2. 16.00 ftLow spot at mile 15.1 on Seward Highway will begin to flood.
  3. 14.20 ftGarages along Primrose Road will begin to flood.
  4. 13.00 ftThe end of Primrose Road will be impassable to small vehicles. This will impact access to residences as well as the campground.
  5. 12.50 ftFloods gravel area just downstream from railroad bridge.Water starts to flow over Primrose Road. Low spots on this road (near the boat ramp) are approximatly 1 ft lower than the adjacent lake bank.Water up to the railroad tracks in several places between railroad mileposts 14.5 and 18.0. -Oct 2020
  6. 12.00 ftThis stage corresponds well to the action stage for the downstream site COOA2, Kenai River at Cooper Landing. The Kenai River at Cooper Landing will often exceed action levels when the stage on the Snow River exceeds 12.0 ft.

Crest history

27 crests on NOAA’s list since 1998.

#DateStage
1August 24, 201914.57 ft
2September 23, 201714.39 ft
3October 13, 201314.30 ft
4September 3, 201514.20 ft
5November 3, 201113.59 ft
6October 9, 200613.55 ft
7November 6, 200213.53 ft
8November 6, 200313.53 ft
9October 30, 200513.40 ft
10November 9, 200713.36 ft
11October 12, 200913.36 ft
12October 10, 199913.30 ft
13November 4, 202013.10 ft
14November 15, 200313.03 ft
15October 2, 202012.63 ft
16September 6, 201112.59 ft
17September 22, 200112.20 ft
18October 16, 201812.17 ft
19September 1, 199812.02 ft
20September 22, 201612.00 ft
21September 11, 201311.90 ft
22June 18, 201811.62 ft
23July 31, 200911.23 ft
24December 26, 200111.20 ft
25September 1, 200511.00 ft

Most recent crests

  • November 4, 2020: 13.10 ft
  • October 2, 2020: 12.63 ft
  • December 9, 2019: 10.35 ft
  • August 24, 2019: 14.57 ft
  • October 16, 2018: 12.17 ft
  • June 18, 2018: 11.62 ft
  • September 23, 2017: 14.39 ft
  • September 22, 2016: 12.00 ft
  • September 3, 2015: 14.20 ft
  • October 13, 2013: 14.30 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Alaska Pacific River Forecast Center. Forecasts are issued routinely during the warm season, and as needed at other times of the year. Stage may be affected by ice. Glacial river subject to rapid extreme stage change from GLOF.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.