CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

TRINITY RIVER - ABOVE NORTH FORK TRINITY RIVER NEAR HELENA (TRNC1)

Latitude: 40.77º N	Longitude: 123.11º W	Elevation: 1380 Feet
Location: Trinity County in California		Bulletin Group: North Coast		River Group: Klamath

Issuance Time:

Apr 19 2025 at 7:14 AM PDT

Next Issuance:

Apr 20 2025 at 9:00 AM PDT

Action/Monitor: N/A

Minor Flood: N/A

Moderate Flood: N/A

Major Flood: N/A

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.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ107)

Tonight: Clear. Lows 37 to 47.

Sunday: Sunny. Highs 65 to 80.

Sunday Night: Clear. Lows 33 to 43. Northwest wind around 20 mph in the evening.

Monday: Sunny. Highs 68 to 83.

Monday Night and Tuesday: Clear. Lows 34 to 44. Highs 68 to 83.

Tuesday Night: Clear. Lows 34 to 44.

Wednesday: Sunny. Highs 68 to 83.

Wednesday Night: Partly cloudy. Lows 37 to 47.

Thursday: Partly cloudy. Slight chance of rain. Highs 64 to 79.

Thursday Night: Mostly cloudy. Slight chance of rain and snow. Lows 34 to 44.

Friday through Saturday: Mostly cloudy. Chance of rain and snow. Highs 54 to 69. Lows 32 to 42.

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 Eureka 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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Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.