CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

MOJAVE RIVER - BARSTOW (MBRC1)

Latitude: 34.91º N	Longitude: 117.02º W	Elevation: 2089 Feet
Location: San Bernardino County in California		Bulletin Group: Southern California		River Group: San Diego/Inland

Issuance Time:

May 01 2025 at 7:42 AM PDT

Next Issuance:

May 02 2025 at 9:00 AM PDT

Action/Monitor: N/A

Minor Flood: 5.0 Feet

Moderate Flood: 5.5 Feet

Major Flood: 6.0 Feet

Plot Type:

Please Note:
1) 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.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2024*	61	3.25	Feb 7, 2024
2023*	1,910	4.51	Mar 16, 2023
2022*	0.3	2.35	Sep 13, 2022
2021*	0**	--	--
2020*	0**	--	--
Historical High Stage/Flow Events (Period of Record - Oct 1930 to Present) - Ranked by Flow
1938*	64,300	8.60	Mar 03, 1938
1969*	30,000	6.80	Feb 25, 1969
1943*	26,000	7.00	Jan 23, 1943
2005*	20,500	3.58	Jan 11, 2005
* Discharge affected to unknown degree by regulation or diversion
** No flow observed during entire water year

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
8.0 Feet	at 8.0 feet, levees could be overtopped leading to extensive flooding of structures and infrastructure located along the river bank off Soapmine Road and Riverside Drive in Barstow.
6.5 Feet	at 6.5 feet, Lenwood Road crossing at Mojave River potentially overtopped.
6.0 Feet	at 6.0 feet, some levees are threatened and overtopping is possible which would bring flooding to structures located near the river bank off Soapmine Road and Riverside Drive in Barstow.
5.5 Feet	at 5.5 feet, flooding of low lying areas and farmland adjacent to the river between Hinkely Road and Yermo. Due to bank erosion the approach from the east to the Hinkley Road bridge is closed. Additional erosion of the levees can be expected.
5.0 Feet	at 5.0 feet, flooding of low lying areas adjacent to the river between Hinkley Road and Yermo. Some local erosion to the levees. Due to bank erosion the approach from the east of the Hinkley Road bridge could be in danger of being undercut. Minneola Road and Harvard Road east of Barstow could be overtopped and closed to traffic.

Official 7 Day National Weather Service Forecast (CAZ523)

Today: Mostly sunny. Isolated thunderstorms in the afternoon. Highs 80 to 83. North winds up to 10 mph shifting to the northeast in the afternoon. Chance of thunderstorms 20 percent.

Tonight: Mostly clear. Isolated thunderstorms in the evening. Lows around 60. West winds up to 10 mph. Chance of thunderstorms 20 percent.

Friday: Sunny. Highs 85 to 88. Northwest winds up to 5 mph shifting to the south in the afternoon.

Friday Night: Mostly clear. Lows around 60. Southwest winds 5 to 15 mph.

Saturday: Mostly sunny. Windy. Highs 80 to 83. Southwest winds 10 to 15 mph increasing to 20 to 30 mph in the afternoon.

Saturday Night: Partly cloudy. Windy, cooler. Patchy blowing dust. Lows around 50.

Sunday: Breezy. Partly sunny with scattered rain showers. Cooler. Highs 66 to 69. Chance of showers 50 percent.

Sunday Night: Mostly cloudy with scattered rain showers. Lows around 50. Chance of showers 40 percent.

Monday: Partly sunny. Highs 65 to 68.

Monday Night: Partly cloudy. Lows 50 to 53.

Tuesday: Sunny, warmer. Highs 75 to 78.

Tuesday Night: Partly cloudy. Lows 54 to 57.

Wednesday: Sunny. Highs 79 to 82.

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 Las Vegas 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.

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