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Latitude: 38.38º N | Longitude: 119.45º W | Elevation: 6591 Feet | |||
Location: Mono County in California | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
Issuance Time: | Nov 29 2023 at 7:40 AM PST | Next Issuance: | Nov 29 2023 at 3:00 PM PST |
Monitor Stage: 5.5 Feet | Flood Stage: 6.0 Feet |
Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. |
Observed Data Credit | |
![]() | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2022 |
3,030 |
6.05 |
Oct 25, 2021 |
2021 |
909 |
3.65 |
May 7, 2021 |
2020 |
1,300 |
4.19 |
Apr 29, 2020 |
2019 |
2,970 |
6.16 |
Jun 7, 2019 |
2018 |
3,320 |
5.76 |
Apr 7, 2018 |
Historical High Stage/Flow Events (Period of Record - Apr 1938 to Present) - Ranked by Flow | |||
1997* |
12,300 |
10.11 |
Jan 02, 1997 |
1951* |
6,220 |
8.10 |
Nov 20, 1950 |
1938* |
5,800 |
-- |
Dec 11, 1937 |
1956* |
5,180 |
7.41 |
Dec 23, 1955 |
1996* |
4,610 |
6.55 |
May 16, 1996 |
* Numerous small gage location changes, some including datum changes, prior to Mar 1997. |
Location Photographs | ||
ESRI™ Locator Map |
Impacts - E19 Information | |
5.5 Feet | Monitor stage. No flooding in reach from West Walker River Canyon through Antelope Valley CA, including Walker, Coleville, and Topaz CA. |
6.0 Feet | Flood Stage. Minor flooding of lowlands, pasture, and rural roads in West Walker River Canyon and Antelope Valley, including Walker, Coleville, and Topaz CA. Roughly similar to late May 2005, and slightly below peaks of June 2010 and May 2006. |
6.5 Feet | Moderate flooding of lowlands, pasture, and some rural roads from the West Walker River Canyon to Topaz Lake, including Walker, Coleville, and Topaz CA. Similar to peak of June 2011, and slightly below the peak of June 2017. |
7.0 Feet | Significant flooding of lowlands, agricultural land, yards, basements, rural roads in the West Walker River Canyon and in Antelope Valley, including Walker, Coleville, and Topaz CA. Flooding of structures limited although sandbagging necessary. Roughly similar to May 1996 flood, and slightly in excess of June 2017 peak. |
7.3 Feet | Major flooding in the West Walker River Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Many buildings, roads flooded and washed out, with major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Severe damage to Highway 395 in West Walker Canyon possible. |
7.5 Feet | Major flooding in the West Walker Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Many buildings, roads flooded and washed out. Major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Severe damage to Highway 395 in West Walker Canyon. |
8.0 Feet | Flooding near disaster levels in the West Walker Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Numerous structures flooded and roads washed out. Many sections of Highway 395 destroyed in West Walker Canyon. Major damage to agricultural land due to erosion and destroyed facilities, diversion dams, headgates, canals, levees. |
8.25 Feet | Flood disaster in West Walker Canyon and in Antelope Valley. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker Canyon with highway likely closed. Historically this flow has been reached or exceeded only once in January 1997. |
8.8 Feet | Flood disaster from Walker River Canyon to Antelope Valley/Topaz Lake. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker River Canyon with the highway probably closed. Historically this flow has been exceeded only once, in January 1997. |
9.5 Feet | Near record flooding. Area cut off as most transportation routes into area destroyed/flooded. Massive destruction of infrastructure and economy including utilities, roads, business, homes, etc. |
10.25 Feet | Flood of record. Highway 395 in West Walker River Canyon closed for months. Massive destruction to infrastructure and economy including transportation, power, water, homes, businesses, etc. Area isolated. At this stage in January 1997, a 6.5 mile stretch of Highway 395 completely scoured with debris from canyon deposited in the town of Walker. |
10.5 Feet | Incredible flood disaster in excess of January 1997 event. |
Official 7 Day National Weather Service Forecast (CAZ073) |
Today: Partly cloudy in the morning then clearing. Highs 38 to 48. Light winds becoming north around 10 mph in the afternoon. Tonight: Clear. Lows 10 to 20. Northwest winds 10 to 15 mph. Thursday: Mostly cloudy with a chance of snow. Snow accumulation up to 1 inch. Highs 36 to 46. West winds 10 to 15 mph. Thursday Night: Mostly cloudy with a chance of snow. Lows 6 to 16. West winds 10 to 15 mph. Friday: Partly cloudy in the morning then clearing. Slight chance of snow. Highs 34 to 44. Northwest winds 10 to 15 mph. Friday Night: Partly cloudy with a slight chance of snow. Lows 12 to 22. Saturday and Saturday Night: Mostly cloudy with a slight chance of snow. Highs 38 to 48. Lows 16 to 26. Sunday: Mostly cloudy in the morning, then partly cloudy with a slight chance of snow in the afternoon. Highs 44 to 54. Sunday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 20 to 30. Monday through Tuesday: Partly cloudy. Highs 48 to 58. Lows 21 to 31. |
Product Disclaimer |
This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Reno Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only. |