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RUSSIAN RIVER - HEALDSBURG (HEAC1)
| Latitude: 38.61º N | Longitude: 122.84º W | Elevation: 77 Feet | | Forecast Type: Official Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Nov 04 2026 at 12:35 PM PST | Next Issuance: | Nov 05 2026 at 9:00 AM PST
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| Action: 20.0 Feet | Minor Flood: 23.0 Feet | Moderate Flood: 27.0 Feet | Major Flood: 29.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Healdsburg (HEAC1)
#
# File Generation Time: 11/04/2026 at 12:35 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 11/02/2026 at 08:00 PM PST
# Maximum Observed Stage: 0.11 Feet
# Maximum Observed Flow: 184 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/04/2026 at 01:00 PM PST
# Maximum Forecast Stage: 0.05 Feet
# Maximum Forecast Flow: 170 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
10/30/2026 01 PM PDT 0.09 180 Normal
10/30/2026 02 PM PDT 0.09 180 0 Normal
10/30/2026 03 PM PDT 0.09 180 0 Normal
10/30/2026 04 PM PDT 0.09 180 0 Normal
10/30/2026 05 PM PDT 0.09 180 0 Normal
10/30/2026 06 PM PDT 0.09 180 0 Normal
10/30/2026 07 PM PDT 0.09 180 0 Normal
10/30/2026 08 PM PDT 0.09 180 0 Normal
10/30/2026 09 PM PDT 0.09 180 0 Normal
10/30/2026 10 PM PDT 0.09 180 0 Normal
10/30/2026 11 PM PDT 0.08 177 - Normal
10/31/2026 12 AM PDT 0.08 177 0 Normal
10/31/2026 01 AM PDT 0.08 177 0 Normal
10/31/2026 02 AM PDT 0.08 177 0 Normal
10/31/2026 03 AM PDT 0.08 177 0 Normal
10/31/2026 04 AM PDT 0.08 177 0 Normal
10/31/2026 05 AM PDT 0.08 177 0 Normal
10/31/2026 06 AM PDT 0.08 177 0 Normal
10/31/2026 07 AM PDT 0.08 177 0 Normal
10/31/2026 08 AM PDT 0.08 177 0 Normal
10/31/2026 09 AM PDT 0.08 177 0 Normal
10/31/2026 10 AM PDT 0.08 177 0 Normal
10/31/2026 11 AM PDT 0.08 177 0 Normal
10/31/2026 12 PM PDT 0.09 180 + Normal
10/31/2026 01 PM PDT 0.08 177 - Normal
10/31/2026 02 PM PDT 0.09 180 + Normal
10/31/2026 03 PM PDT 0.09 180 0 Normal
10/31/2026 04 PM PDT 0.09 180 0 Normal
10/31/2026 05 PM PDT 0.09 180 0 Normal
10/31/2026 06 PM PDT 0.09 180 0 Normal
10/31/2026 07 PM PDT 0.09 180 0 Normal
10/31/2026 08 PM PDT 0.09 180 0 Normal
10/31/2026 09 PM PDT 0.09 180 0 Normal
10/31/2026 10 PM PDT 0.09 180 0 Normal
10/31/2026 11 PM PDT 0.09 180 0 Normal
11/01/2026 12 AM PDT 0.09 180 0 Normal
11/01/2026 01 AM PDT 0.09 180 0 Normal
11/01/2026 01 AM PST 0.09 180 0 Normal
11/01/2026 02 AM PST 0.09 180 0 Normal
11/01/2026 03 AM PST 0.09 180 0 Normal
11/01/2026 04 AM PST 0.09 180 0 Normal
11/01/2026 05 AM PST 0.09 180 0 Normal
11/01/2026 06 AM PST 0.09 180 0 Normal
11/01/2026 07 AM PST 0.10 182 + Normal
11/01/2026 08 AM PST 0.09 180 - Normal
11/01/2026 09 AM PST 0.09 180 0 Normal
11/01/2026 10 AM PST 0.10 182 + Normal
11/01/2026 11 AM PST 0.10 182 0 Normal
11/01/2026 12 PM PST 0.10 182 0 Normal
11/01/2026 01 PM PST 0.10 182 0 Normal
11/01/2026 02 PM PST 0.10 182 0 Normal
11/01/2026 03 PM PST 0.10 182 0 Normal
11/01/2026 04 PM PST 0.10 182 0 Normal
11/01/2026 05 PM PST 0.10 182 0 Normal
11/01/2026 06 PM PST 0.10 182 0 Normal
11/01/2026 07 PM PST 0.10 182 0 Normal
11/01/2026 08 PM PST 0.10 182 0 Normal
11/01/2026 09 PM PST 0.10 182 0 Normal
11/01/2026 10 PM PST 0.10 182 0 Normal
11/01/2026 11 PM PST 0.10 182 0 Normal
11/02/2026 12 AM PST 0.10 182 0 Normal
11/02/2026 01 AM PST 0.10 182 0 Normal
11/02/2026 02 AM PST 0.10 182 0 Normal
11/02/2026 03 AM PST 0.10 182 0 Normal
11/02/2026 04 AM PST 0.10 182 0 Normal
11/02/2026 05 AM PST 0.10 182 0 Normal
11/02/2026 06 AM PST 0.10 182 0 Normal
11/02/2026 07 AM PST 0.10 182 0 Normal
11/02/2026 08 AM PST 0.10 182 0 Normal
11/02/2026 09 AM PST 0.10 182 0 Normal
11/02/2026 10 AM PST 0.10 182 0 Normal
11/02/2026 11 AM PST 0.10 182 0 Normal
11/02/2026 12 PM PST 0.11 184 + Normal
11/02/2026 01 PM PST 0.11 184 0 Normal
11/02/2026 02 PM PST 0.11 184 0 Normal
11/02/2026 03 PM PST 0.11 184 0 Normal
11/02/2026 04 PM PST 0.11 184 0 Normal
11/02/2026 05 PM PST 0.11 184 0 Normal
11/02/2026 06 PM PST 0.11 184 0 Normal
11/02/2026 07 PM PST 0.11 184 0 Normal
11/02/2026 08 PM PST 0.11 184 0 Normal
11/02/2026 09 PM PST 0.10 182 - Normal
11/02/2026 10 PM PST 0.10 182 0 Normal
11/02/2026 11 PM PST 0.10 182 0 Normal
11/03/2026 12 AM PST 0.10 182 0 Normal
11/03/2026 01 AM PST 0.09 180 - Normal
11/03/2026 02 AM PST 0.09 180 0 Normal
11/03/2026 03 AM PST 0.09 180 0 Normal
11/03/2026 04 AM PST 0.09 180 0 Normal
11/03/2026 05 AM PST 0.09 180 0 Normal
11/03/2026 06 AM PST 0.09 180 0 Normal
11/03/2026 07 AM PST 0.09 180 0 Normal
11/03/2026 08 AM PST 0.09 180 0 Normal
11/03/2026 09 AM PST 0.09 180 0 Normal
11/03/2026 10 AM PST 0.10 182 + Normal
11/03/2026 11 AM PST 0.10 182 0 Normal
11/03/2026 12 PM PST 0.10 182 0 Normal
11/03/2026 01 PM PST 0.10 182 0 Normal
11/03/2026 02 PM PST 0.10 182 0 Normal
11/03/2026 03 PM PST 0.10 182 0 Normal
11/03/2026 04 PM PST 0.10 182 0 Normal
11/03/2026 05 PM PST 0.10 182 0 Normal
11/03/2026 06 PM PST 0.10 182 0 Normal
11/03/2026 07 PM PST 0.09 180 - Normal
11/03/2026 08 PM PST 0.09 180 0 Normal
11/03/2026 09 PM PST 0.09 180 0 Normal
11/03/2026 10 PM PST 0.08 177 - Normal
11/03/2026 11 PM PST 0.08 177 0 Normal
11/04/2026 12 AM PST 0.08 177 0 Normal
11/04/2026 01 AM PST 0.07 175 - Normal
11/04/2026 02 AM PST 0.07 175 0 Normal
11/04/2026 03 AM PST 0.07 175 0 Normal
11/04/2026 04 AM PST 0.07 175 0 Normal
11/04/2026 05 AM PST 0.06 173 - Normal
11/04/2026 06 AM PST 0.06 173 0 Normal
11/04/2026 07 AM PST 0.06 173 0 Normal
11/04/2026 08 AM PST 0.06 173 0 Normal
11/04/2026 09 AM PST 0.06 173 0 Normal
11/04/2026 10 AM PST 0.06 173 0 Normal
11/04/2026 11 AM PST 0.06 173 0 Normal
11/04/2026 12 PM PST 0.06 173 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/04/2026 01 PM PST 0.05 170 Normal
11/04/2026 02 PM PST 0.05 170 0 Normal
11/04/2026 03 PM PST 0.04 168 - Normal
11/04/2026 04 PM PST 0.04 168 0 Normal
11/04/2026 05 PM PST 0.04 168 0 Normal
11/04/2026 06 PM PST 0.03 165 - Normal
11/04/2026 07 PM PST 0.03 165 0 Normal
11/04/2026 08 PM PST 0.03 165 0 Normal
11/04/2026 09 PM PST 0.02 163 - Normal
11/04/2026 10 PM PST 0.02 163 0 Normal
11/04/2026 11 PM PST 0.01 161 - Normal
11/05/2026 12 AM PST 0.01 161 0 Normal
11/05/2026 01 AM PST 0.01 161 0 Normal
11/05/2026 02 AM PST 0.00 159 - Normal
11/05/2026 03 AM PST 0.00 159 0 Normal
11/05/2026 04 AM PST 0.00 159 0 Normal
11/05/2026 05 AM PST -0.01 156 - Normal
11/05/2026 06 AM PST -0.01 156 0 Normal
11/05/2026 07 AM PST -0.01 156 0 Normal
11/05/2026 08 AM PST -0.02 154 - Normal
11/05/2026 09 AM PST -0.02 154 0 Normal
11/05/2026 10 AM PST -0.02 154 0 Normal
11/05/2026 11 AM PST -0.03 152 - Normal
11/05/2026 12 PM PST -0.03 152 0 Normal
11/05/2026 01 PM PST -0.03 152 0 Normal
11/05/2026 02 PM PST -0.03 152 0 Normal
11/05/2026 03 PM PST -0.03 152 0 Normal
11/05/2026 04 PM PST -0.03 152 0 Normal
11/05/2026 05 PM PST -0.03 152 0 Normal
11/05/2026 06 PM PST -0.04 150 - Normal
11/05/2026 07 PM PST -0.04 150 0 Normal
11/05/2026 08 PM PST -0.04 150 0 Normal
11/05/2026 09 PM PST -0.04 150 0 Normal
11/05/2026 10 PM PST -0.04 150 0 Normal
11/05/2026 11 PM PST -0.04 150 0 Normal
11/06/2026 12 AM PST -0.04 150 0 Normal
11/06/2026 01 AM PST -0.04 150 0 Normal
11/06/2026 02 AM PST -0.04 150 0 Normal
11/06/2026 03 AM PST -0.04 150 0 Normal
11/06/2026 04 AM PST -0.04 150 0 Normal
11/06/2026 05 AM PST -0.04 150 0 Normal
11/06/2026 06 AM PST -0.05 147 - Normal
11/06/2026 07 AM PST -0.05 147 0 Normal
11/06/2026 08 AM PST -0.05 147 0 Normal
11/06/2026 09 AM PST -0.05 147 0 Normal
11/06/2026 10 AM PST -0.05 147 0 Normal
11/06/2026 11 AM PST -0.05 147 0 Normal
11/06/2026 12 PM PST -0.05 147 0 Normal
11/06/2026 01 PM PST -0.05 147 0 Normal
11/06/2026 02 PM PST -0.05 147 0 Normal
11/06/2026 03 PM PST -0.05 147 0 Normal
11/06/2026 04 PM PST -0.05 147 0 Normal
11/06/2026 05 PM PST -0.05 147 0 Normal
11/06/2026 06 PM PST -0.05 147 0 Normal
11/06/2026 07 PM PST -0.05 147 0 Normal
11/06/2026 08 PM PST -0.05 147 0 Normal
11/06/2026 09 PM PST -0.05 147 0 Normal
11/06/2026 10 PM PST -0.05 147 0 Normal
11/06/2026 11 PM PST -0.05 147 0 Normal
11/07/2026 12 AM PST -0.05 147 0 Normal
11/07/2026 01 AM PST -0.05 147 0 Normal
11/07/2026 02 AM PST -0.05 147 0 Normal
11/07/2026 03 AM PST -0.05 147 0 Normal
11/07/2026 04 AM PST -0.05 147 0 Normal
11/07/2026 05 AM PST -0.05 147 0 Normal
11/07/2026 06 AM PST -0.05 147 0 Normal
11/07/2026 07 AM PST -0.05 147 0 Normal
11/07/2026 08 AM PST -0.06 145 - Normal
11/07/2026 09 AM PST -0.06 145 0 Normal
11/07/2026 10 AM PST -0.06 145 0 Normal
11/07/2026 11 AM PST -0.06 145 0 Normal
11/07/2026 12 PM PST -0.06 145 0 Normal
11/07/2026 01 PM PST -0.06 145 0 Normal
11/07/2026 02 PM PST -0.06 145 0 Normal
11/07/2026 03 PM PST -0.06 145 0 Normal
11/07/2026 04 PM PST -0.06 145 0 Normal
11/07/2026 05 PM PST -0.06 145 0 Normal
11/07/2026 06 PM PST -0.06 145 0 Normal
11/07/2026 07 PM PST -0.05 147 + Normal
11/07/2026 08 PM PST -0.05 147 0 Normal
11/07/2026 09 PM PST -0.05 147 0 Normal
11/07/2026 10 PM PST -0.05 147 0 Normal
11/07/2026 11 PM PST -0.05 147 0 Normal
11/08/2026 12 AM PST -0.05 147 0 Normal
11/08/2026 01 AM PST -0.05 147 0 Normal
11/08/2026 02 AM PST -0.05 147 0 Normal
11/08/2026 03 AM PST -0.05 147 0 Normal
11/08/2026 04 AM PST -0.05 147 0 Normal
11/08/2026 05 AM PST -0.05 147 0 Normal
11/08/2026 06 AM PST -0.05 147 0 Normal
11/08/2026 07 AM PST -0.05 147 0 Normal
11/08/2026 08 AM PST -0.05 147 0 Normal
11/08/2026 09 AM PST -0.05 147 0 Normal
11/08/2026 10 AM PST -0.06 145 - Normal
11/08/2026 11 AM PST -0.06 145 0 Normal
11/08/2026 12 PM PST -0.06 145 0 Normal
11/08/2026 01 PM PST -0.06 145 0 Normal
11/08/2026 02 PM PST -0.05 147 + Normal
11/08/2026 03 PM PST -0.05 147 0 Normal
11/08/2026 04 PM PST -0.05 147 0 Normal
11/08/2026 05 PM PST -0.05 147 0 Normal
11/08/2026 06 PM PST -0.05 147 0 Normal
11/08/2026 07 PM PST -0.05 147 0 Normal
11/08/2026 08 PM PST -0.05 147 0 Normal
11/08/2026 09 PM PST -0.05 147 0 Normal
11/08/2026 10 PM PST -0.05 147 0 Normal
11/08/2026 11 PM PST -0.05 147 0 Normal
11/09/2026 12 AM PST -0.05 147 0 Normal
11/09/2026 01 AM PST -0.05 147 0 Normal
11/09/2026 02 AM PST -0.05 147 0 Normal
11/09/2026 03 AM PST -0.05 147 0 Normal
11/09/2026 04 AM PST -0.05 147 0 Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.
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