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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 |
Monitor Stage: 5.5 Feet | Flood Stage: 6.0 Feet |
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 Antelope Valley including Walker, Coleville, and Topaz CA. Roughly similar to June 2019 and October 2021 crests. |
6.5 Feet | Expanding minor flooding of lowlands, pastures, and some rural roads between the West Walker River Canyon and Topaz Lake, including Walker, Coleville, and Topaz CA. Out of banks flows may cause significant erosion of agricultural lands. Similar to the peak of June 2023. |
6.8 Feet | Moderate flooding of lowlands, agricultural lands, yards, basements, and rural roads in the West Walker River Canyon and in Antelope Valley including Walker, Coleville, and Topaz CA. Flooding of structures limited, although some sandbagging necessary. Roughly similar, but slightly below June 2017 peak. |
7.3 Feet | Major flooding in the West Walker River Canyon and in Antelope Valley including Walker, Coleville, and Topaz CA. Many buildings flooded and roads washed out. Major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Damage to Highway 395 in the West Walker Canyon likely. Similar to the 4th highest peak flow in the 85 year gauge record. |
8.0 Feet | Flooding near disaster levels in the West Walker Canyon and in Antelope Valley. Numerous structures flooded and roads washed out. Sections of Highway 395 likely destroyed in West Walker Canyon. Major damage to agricultural land due to erosion and destroyed diversion dams, headgates, canals, and levees. Similar to the 2nd highest flood of record in November 1950, and only exceeded in January 1997. |
8.5 Feet | Flood disaster from Walker River Canyon through Antelope Valley. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker River Canyon with the highway likely closed. Histoically 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 or flooded. Massive destruction of infrastructure and economy including utilities, roads, businesses, homes, etc. |
10.0 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. Near this flow in January 1997 a 6.5 mile stretch of Highway 395 completely scoured with debris from the 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: Showers likely. Snow level 6500 to 7000 feet. Snow accumulation of 1 to 3 inches. Highs 45 to 55. West winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. Ridge gusts up to 55 mph. Tonight: Mostly cloudy with a chance of showers in the evening, then partly cloudy with a slight chance of snow showers after midnight. Snow level 6000 to 6500 feet. Snow accumulation up to 1 inch. Lows 24 to 34. Northwest winds 10 to 15 mph with gusts up to 30 mph. Ridge gusts up to 60 mph. Saturday: Sunny. Highs 54 to 64. Northwest winds 10 to 15 mph. Saturday Night: Partly cloudy. Lows 27 to 37. Northwest winds 10 to 15 mph. Sunday: Sunny. Highs 58 to 68. Light winds becoming northwest around 10 mph in the afternoon. Sunday Night: Partly cloudy in the evening then becoming clear. Lows 29 to 39. Monday through Thursday: Clear. Highs 63 to 73. Lows 31 to 41. |
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. |