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RUSSIAN RIVER - HEALDSBURG (HEAC1)

Latitude: 38.61º N	Longitude: 122.84º W	Elevation: 77 Feet
Location: Sonoma County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Issuance Time:

Oct 11, 2024 at 7:45 AM PDT

Monitor Stage: 20.0 Feet

Flood Stage: 23.0 Feet

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Short-Range Peak Exceedance Plot Product Info. Plot Type:

CSV Ensemble File Download (Data in feet): HEAC1

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		Official Forecast (Deterministic)
		Ensemble Mean
		Model Traces

	Hourly Probabilities
		0-5% chance
		5-25% chance
		25-40% chance
		40-60% chance

What information is considered in this forecast?

Verification / Historical Plots
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Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
30.0 Feet	Major to disastrous flooding along the reach of the gage occurs. Major flooding occurs in the agricultural sections of Alexander Valley.
29.0 Feet	Major flooding along the reach of the gage will occur. Homes, businesses and secondary roads in the lower sections of Healdsburg will begin to flood. The lower areas of Alexander Valley will begin to flood.
27.0 Feet	Moderate flooding along the reach of the gage will occur. Some secondary roads south of US 101 will have minor to moderate flooding.
25.0 Feet	Low lying areas south of US 101 begin to have minor flooding.
23.0 Feet	Minor flooding of farm land and banks in rural areas along the reach of the gage will occur.

Official 7 Day National Weather Service Forecast (CAZ506)

Today: Mostly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the mid 60s to lower 80s. Southwest winds 5 to 15 mph.

Tonight: Partly cloudy in the evening then becoming mostly cloudy. A chance of rain. Patchy fog after midnight. Lows in the 40s to upper 50s. Southwest winds 5 to 10 mph.

Saturday: Mostly cloudy. Patchy fog in the morning. A chance of rain. Highs in the mid 60s to upper 70s. Southwest winds 5 to 10 mph.

Saturday Night: Mostly cloudy. Patchy fog. A slight chance of rain. Lows in the 50s to lower 60s. West winds 5 to 10 mph. Chance of rain 20 percent.

Sunday: Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to lower 80s. West winds up to 5 mph increasing to 10 to 15 mph in the afternoon.

Sunday Night: Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 40s to upper 50s.

Columbus Day and Monday Night: Mostly clear except patchy fog. Highs in the upper 60s to lower 80s. Lows in the 40s to upper 50s.

Tuesday: Partly cloudy in the morning then becoming sunny. Patchy fog. Highs in the mid 60s to lower 80s.

Tuesday Night and Wednesday: Mostly cloudy. A chance of rain. Lows in the 50s. Highs in the mid 60s to lower 80s.

Wednesday Night: Mostly clear in the evening then becoming partly cloudy. A slight chance of rain. Lows in the 40s to mid 50s.

Thursday: Sunny. Highs in the mid 60s to lower 80s.

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