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Latitude: 39.43º N | Longitude: 120.03º W | Elevation: 5153 Feet | |||
Location: Nevada County in California | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
Issuance Time: | Apr 24 2024 at 7:53 AM PDT | Next Issuance: | Apr 25 2024 at 9:00 AM PDT |
Monitor Stage: 10.0 Feet | Flood Stage: 11.0 Feet |
Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries. |
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* |
3,560 |
7.04 |
Oct 25, 2021 |
2021* |
1,010 |
4.76 |
May 6, 2021 |
2020* |
2,130 |
5.94 |
May 18, 2020 |
2019* |
4,650 |
7.82 |
Apr 9, 2019 |
2018* |
6,580 |
8.97 |
Apr 7, 2018 |
Historical High Stage/Flow Events (Period of Record - Sept 1899 to Present) - Ranked by Flow | |||
1951* |
17,500**** |
14.50 |
Nov 21, 1950 |
1938* |
15,500*** |
11.59 |
Dec 11, 1937 |
1907* |
15,300** |
11.59 |
Dec 11, 1937 |
1997* |
14,900 |
13.13 |
Jan 02, 1997 |
* Discharge affected by regulation or diversion | |||
** Discharge is a daily average | |||
*** Aug 1912 through Dec 1937, water stage recorder at location 4.1 miles upstream at different datum. | |||
**** Jan 1938 through Aug 1957, water stage recorder at approximate same location operated by TCID at datum 1 ft higher. |
Location Photographs | ||
ESRI™ Locator Map |
Impacts - E19 Information | |
8.5 Feet | No flooding from Boca to Mogul, including Floriston and Verdi areas. Near this level, releases from Prosser, Boca, and Stampede Reservoirs are cut to reduce high flows at Reno. Near the highest snowmelt flows in May of 2023. |
9.0 Feet | No flooding from Boca to Mogul, including Floriston and Verdi areas. Similar to the 04/07/2018 peak. |
10.0 Feet | Monitor Stage. No flooding from Boca to Mogul, including Floriston and Verdi areas. |
10.5 Feet | Minimal flooding from Boca to Mogul, but near bankful in portions of the Verdi/Mogul aera. Similar to the 01/08/2017 peak. |
11.0 Feet | Flood Stage. Minor lowland flooding in some locations from Boca to Mogul, especially in the Verdi/Mogul area. Similar to the 12/31/2005 peak. |
11.5 Feet | Minor to moderate flooding from Boca to Mogul, especially to trailer and public parks in the Verdi/Mogul area along the river. |
12.0 Feet | Moderate flooding from Boca to Mogul, especially to trailer and public parks in the Verdi/Mogul area along the river. Some damage to roads, bridges, and low-lying structures in the area. |
12.5 Feet | Moderate to major flooding from Boca to Mogul. Damage to roads, bridges and low-lying buildings, especially in the Verdi/Mogul area. Transportation affected with many road closures. Impacts approaching, but not as severe as 01/02/1997. |
13.0 Feet | Major flooding from Boca to Mogul. At these flows significant damage should be expected to low-lying roads, bridges, and structures along the river, especially in the Verdi/Mogul area. Transportation is significantly affected, including flooding along portions of Interstate 80. Impacts roughly similar to flood of January 1997. |
13.5 Feet | Major flooding with extreme damage to roads, bridges, and structures from Boca to Mogul, especially in the Verdi/Mogul area. Transportation becomes very difficult and most major roads and highways in the area are flooded, including Interstate 80. Exceeding the level and impacts from the January 1997 flood. |
14.0 Feet | Severe near record flooding from Boca to Mogul with extensive damage to low-lying structures along the river. Regional transportation severely affected with many major roads flooded or damaged. Not quite as severe as the record 11/21/1950 flood. |
14.5 Feet | Flood disaster from Boca downstream to Nixon. Near record flooding of buildings, roads, and bridges in the Verdi/Mogul area. Transportation in and out of the region extremely difficult. Similar to record flood on 11/21/1950. About a 1 in 100 chance of being exceeded during any given year per USGS estimates. |
15.0 Feet | Record flooding at Farad and near record to record flooding on the entire mainstem Truckee River. Disastrous flooding of buildings, roads, and bridges in the Verdi/Mogul area and downstream. Transportation is nearly cut off in all directions to and from Reno/Sparks. |
Official 7 Day National Weather Service Forecast (CAZ072) |
Today: Sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs 49 to 59. Light winds becoming west 10 to 15 mph with gusts up to 30 mph in the afternoon. Tonight: Mostly cloudy with a chance of showers. Snow level 7000 to 7500 feet. Snow accumulation up to 2 inches. Lows 29 to 39. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Ridge gusts up to 50 mph. Friday: Showers likely in the morning, then showers likely and slight chance of thunderstorms in the afternoon. Snow level 6500 feet. Snow accumulation of 1 to 4 inches. Highs 41 to 51. West winds 10 to 15 mph. Friday Night: Mostly cloudy with a slight chance of thunderstorms and snow showers in the evening, then partly cloudy after midnight. Snow level 6500 feet lowering to lake level. Lows 24 to 34. West winds around 10 mph in the evening becoming light. Saturday: Partly cloudy in the morning then becoming sunny. Highs 50 to 60. Light winds becoming west around 10 mph in the afternoon. Saturday Night: Partly cloudy. Lows 26 to 36. Sunday through Wednesday: Clear. Highs 57 to 67. Lows 28 to 38. |
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. |