National Weather Service California-Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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RUSSIAN RIVER - HOPLAND (HOPC1)
Latitude: 39.03º NLongitude: 123.13º WElevation: 498 FeetForecast Type: Official Location
Location: Mendocino County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Nov 02 2026 at 12:52 PM PSTNext Issuance: Nov 03 2026 at 9:00 AM PST
Action: N/A Minor Flood: 15.0 FeetModerate Flood: 23.0 FeetMajor Flood: 26.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hopland (HOPC1)
#
# File Generation Time:  11/02/2026 at 12:52 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/01/2026 at 08:00 AM PST
# Maximum Observed Stage:                       1.21 Feet
# Maximum Observed Flow:                        198 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/03/2026 at 07:00 PM PST
# Maximum Forecast Stage:                       1.18 Feet
# Maximum Forecast Flow:                        192 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/28/2026 01 PM PDT            1.18            192                        Normal
  10/28/2026 02 PM PDT            1.18            192         0              Normal
  10/28/2026 03 PM PDT            1.17            190         -              Normal
  10/28/2026 04 PM PDT            1.17            190         0              Normal
  10/28/2026 05 PM PDT            1.18            192         +              Normal
  10/28/2026 06 PM PDT            1.18            192         0              Normal
  10/28/2026 07 PM PDT            1.18            192         0              Normal
  10/28/2026 08 PM PDT            1.17            190         -              Normal
  10/28/2026 09 PM PDT            1.17            190         0              Normal
  10/28/2026 10 PM PDT            1.16            188         -              Normal
  10/28/2026 11 PM PDT            1.17            190         +              Normal
  10/29/2026 12 AM PDT            1.16            188         -              Normal
  10/29/2026 01 AM PDT            1.16            188         0              Normal
  10/29/2026 02 AM PDT            1.16            188         0              Normal
  10/29/2026 03 AM PDT            1.16            188         0              Normal
  10/29/2026 04 AM PDT            1.15            186         -              Normal
  10/29/2026 05 AM PDT            1.15            186         0              Normal
  10/29/2026 06 AM PDT            1.16            188         +              Normal
  10/29/2026 07 AM PDT            1.16            188         0              Normal
  10/29/2026 08 AM PDT            1.16            188         0              Normal
  10/29/2026 09 AM PDT            1.16            188         0              Normal
  10/29/2026 10 AM PDT            1.16            188         0              Normal
  10/29/2026 11 AM PDT            1.16            188         0              Normal
  10/29/2026 12 PM PDT            1.16            188         0              Normal
  10/29/2026 01 PM PDT            1.17            190         +              Normal
  10/29/2026 02 PM PDT            1.17            190         0              Normal
  10/29/2026 03 PM PDT            1.17            190         0              Normal
  10/29/2026 04 PM PDT            1.17            190         0              Normal
  10/29/2026 05 PM PDT            1.17            190         0              Normal
  10/29/2026 06 PM PDT            1.18            192         +              Normal
  10/29/2026 07 PM PDT            1.18            192         0              Normal
  10/29/2026 08 PM PDT            1.18            192         0              Normal
  10/29/2026 09 PM PDT            1.18            192         0              Normal
  10/29/2026 10 PM PDT            1.17            190         -              Normal
  10/29/2026 11 PM PDT            1.17            190         0              Normal
  10/30/2026 12 AM PDT            1.17            190         0              Normal
  10/30/2026 01 AM PDT            1.17            190         0              Normal
  10/30/2026 02 AM PDT            1.17            190         0              Normal
  10/30/2026 03 AM PDT            1.17            190         0              Normal
  10/30/2026 04 AM PDT            1.17            190         0              Normal
  10/30/2026 05 AM PDT            1.17            190         0              Normal
  10/30/2026 06 AM PDT            1.16            188         -              Normal
  10/30/2026 07 AM PDT            1.16            188         0              Normal
  10/30/2026 08 AM PDT            1.18            192         +              Normal
  10/30/2026 09 AM PDT            1.18            192         0              Normal
  10/30/2026 10 AM PDT            1.18            192         0              Normal
  10/30/2026 11 AM PDT            1.17            190         -              Normal
  10/30/2026 12 PM PDT            1.17            190         0              Normal
  10/30/2026 01 PM PDT            1.17            190         0              Normal
  10/30/2026 02 PM PDT            1.16            188         -              Normal
  10/30/2026 03 PM PDT            1.16            188         0              Normal
  10/30/2026 04 PM PDT            1.16            188         0              Normal
  10/30/2026 05 PM PDT            1.17            190         +              Normal
  10/30/2026 06 PM PDT            1.17            190         0              Normal
  10/30/2026 07 PM PDT            1.17            190         0              Normal
  10/30/2026 08 PM PDT            1.18            192         +              Normal
  10/30/2026 09 PM PDT            1.18            192         0              Normal
  10/30/2026 10 PM PDT            1.19            194         +              Normal
  10/30/2026 11 PM PDT            1.19            194         0              Normal
  10/31/2026 12 AM PDT            1.19            194         0              Normal
  10/31/2026 01 AM PDT            1.19            194         0              Normal
  10/31/2026 02 AM PDT            1.19            194         0              Normal
  10/31/2026 03 AM PDT            1.19            194         0              Normal
  10/31/2026 04 AM PDT            1.19            194         0              Normal
  10/31/2026 05 AM PDT            1.19            194         0              Normal
  10/31/2026 06 AM PDT            1.19            194         0              Normal
  10/31/2026 07 AM PDT            1.19            194         0              Normal
  10/31/2026 08 AM PDT            1.19            194         0              Normal
  10/31/2026 09 AM PDT            1.19            194         0              Normal
  10/31/2026 10 AM PDT            1.19            194         0              Normal
  10/31/2026 11 AM PDT            1.19            194         0              Normal
  10/31/2026 12 PM PDT            1.19            194         0              Normal
  10/31/2026 01 PM PDT            1.19            194         0              Normal
  10/31/2026 02 PM PDT            1.19            194         0              Normal
  10/31/2026 03 PM PDT            1.19            194         0              Normal
  10/31/2026 04 PM PDT            1.19            194         0              Normal
  10/31/2026 05 PM PDT            1.19            194         0              Normal
  10/31/2026 06 PM PDT            1.19            194         0              Normal
  10/31/2026 07 PM PDT            1.19            194         0              Normal
  10/31/2026 08 PM PDT            1.19            194         0              Normal
  10/31/2026 09 PM PDT            1.19            194         0              Normal
  10/31/2026 10 PM PDT            1.19            194         0              Normal
  10/31/2026 11 PM PDT            1.19            194         0              Normal
  11/01/2026 12 AM PDT            1.19            194         0              Normal
  11/01/2026 01 AM PDT            1.19            194         0              Normal
  11/01/2026 01 AM PST            1.20            196         +              Normal
  11/01/2026 02 AM PST            1.20            196         0              Normal
  11/01/2026 03 AM PST            1.20            196         0              Normal
  11/01/2026 04 AM PST            1.20            196         0              Normal
  11/01/2026 05 AM PST            1.20            196         0              Normal
  11/01/2026 06 AM PST            1.20            196         0              Normal
  11/01/2026 07 AM PST            1.20            196         0              Normal
  11/01/2026 08 AM PST            1.21            198         +              Normal
  11/01/2026 09 AM PST            1.20            196         -              Normal
  11/01/2026 10 AM PST            1.20            196         0              Normal
  11/01/2026 11 AM PST            1.20            196         0              Normal
  11/01/2026 12 PM PST            1.20            196         0              Normal
  11/01/2026 01 PM PST            1.20            196         0              Normal
  11/01/2026 02 PM PST            1.18            192         -              Normal
  11/01/2026 03 PM PST            1.16            188         -              Normal
  11/01/2026 04 PM PST            1.14            185         -              Normal
  11/01/2026 05 PM PST            1.14            185         0              Normal
  11/01/2026 06 PM PST            1.14            185         0              Normal
  11/01/2026 07 PM PST            1.13            183         -              Normal
  11/01/2026 08 PM PST            1.14            185         +              Normal
  11/01/2026 09 PM PST            1.13            183         -              Normal
  11/01/2026 10 PM PST            1.14            185         +              Normal
  11/01/2026 11 PM PST            1.14            185         0              Normal
  11/02/2026 12 AM PST            1.13            183         -              Normal
  11/02/2026 01 AM PST            1.12            181         -              Normal
  11/02/2026 02 AM PST            1.10            177         -              Normal
  11/02/2026 03 AM PST            1.10            177         0              Normal
  11/02/2026 04 AM PST            1.10            177         0              Normal
  11/02/2026 05 AM PST            1.09            175         -              Normal
  11/02/2026 06 AM PST            1.11            179         +              Normal
  11/02/2026 07 AM PST            1.10            177         -              Normal
  11/02/2026 08 AM PST            1.10            177         0              Normal
  11/02/2026 09 AM PST            1.10            177         0              Normal
  11/02/2026 10 AM PST            1.10            177         0              Normal
  11/02/2026 11 AM PST            1.10            177         0              Normal
  11/02/2026 12 PM PST            1.10            177         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/02/2026 01 PM PST            1.09            175                        Normal
  11/02/2026 02 PM PST            1.08            173         -              Normal
  11/02/2026 03 PM PST            1.07            172         -              Normal
  11/02/2026 04 PM PST            1.06            170         -              Normal
  11/02/2026 05 PM PST            1.06            170         0              Normal
  11/02/2026 06 PM PST            1.05            168         -              Normal
  11/02/2026 07 PM PST            1.05            168         0              Normal
  11/02/2026 08 PM PST            1.05            168         0              Normal
  11/02/2026 09 PM PST            1.04            166         -              Normal
  11/02/2026 10 PM PST            1.04            166         0              Normal
  11/02/2026 11 PM PST            1.04            166         0              Normal
  11/03/2026 12 AM PST            1.04            166         0              Normal
  11/03/2026 01 AM PST            1.04            166         0              Normal
  11/03/2026 02 AM PST            1.04            166         0              Normal
  11/03/2026 03 AM PST            1.04            166         0              Normal
  11/03/2026 04 AM PST            1.04            166         0              Normal
  11/03/2026 05 AM PST            1.04            166         0              Normal
  11/03/2026 06 AM PST            1.04            166         0              Normal
  11/03/2026 07 AM PST            1.04            166         0              Normal
  11/03/2026 08 AM PST            1.04            166         0              Normal
  11/03/2026 09 AM PST            1.04            166         0              Normal
  11/03/2026 10 AM PST            1.05            168         +              Normal
  11/03/2026 11 AM PST            1.06            170         +              Normal
  11/03/2026 12 PM PST            1.08            173         +              Normal
  11/03/2026 01 PM PST            1.10            177         +              Normal
  11/03/2026 02 PM PST            1.12            181         +              Normal
  11/03/2026 03 PM PST            1.13            183         +              Normal
  11/03/2026 04 PM PST            1.14            185         +              Normal
  11/03/2026 05 PM PST            1.16            188         +              Normal
  11/03/2026 06 PM PST            1.17            190         +              Normal
  11/03/2026 07 PM PST            1.18            192         +              Normal
  11/03/2026 08 PM PST            1.18            192         0              Normal
  11/03/2026 09 PM PST            1.18            192         0              Normal
  11/03/2026 10 PM PST            1.18            192         0              Normal
  11/03/2026 11 PM PST            1.17            190         -              Normal
  11/04/2026 12 AM PST            1.16            188         -              Normal
  11/04/2026 01 AM PST            1.15            186         -              Normal
  11/04/2026 02 AM PST            1.14            185         -              Normal
  11/04/2026 03 AM PST            1.12            181         -              Normal
  11/04/2026 04 AM PST            1.11            179         -              Normal
  11/04/2026 05 AM PST            1.10            177         -              Normal
  11/04/2026 06 AM PST            1.09            175         -              Normal
  11/04/2026 07 AM PST            1.09            175         0              Normal
  11/04/2026 08 AM PST            1.08            173         -              Normal
  11/04/2026 09 AM PST            1.07            172         -              Normal
  11/04/2026 10 AM PST            1.07            172         0              Normal
  11/04/2026 11 AM PST            1.07            172         0              Normal
  11/04/2026 12 PM PST            1.06            170         -              Normal
  11/04/2026 01 PM PST            1.06            170         0              Normal
  11/04/2026 02 PM PST            1.06            170         0              Normal
  11/04/2026 03 PM PST            1.05            168         -              Normal
  11/04/2026 04 PM PST            1.05            168         0              Normal
  11/04/2026 05 PM PST            1.05            168         0              Normal
  11/04/2026 06 PM PST            1.05            168         0              Normal
  11/04/2026 07 PM PST            1.05            168         0              Normal
  11/04/2026 08 PM PST            1.05            168         0              Normal
  11/04/2026 09 PM PST            1.05            168         0              Normal
  11/04/2026 10 PM PST            1.05            168         0              Normal
  11/04/2026 11 PM PST            1.05            168         0              Normal
  11/05/2026 12 AM PST            1.05            168         0              Normal
  11/05/2026 01 AM PST            1.04            166         -              Normal
  11/05/2026 02 AM PST            1.04            166         0              Normal
  11/05/2026 03 AM PST            1.04            166         0              Normal
  11/05/2026 04 AM PST            1.04            166         0              Normal
  11/05/2026 05 AM PST            1.04            166         0              Normal
  11/05/2026 06 AM PST            1.04            166         0              Normal
  11/05/2026 07 AM PST            1.04            166         0              Normal
  11/05/2026 08 AM PST            1.04            166         0              Normal
  11/05/2026 09 AM PST            1.04            166         0              Normal
  11/05/2026 10 AM PST            1.04            166         0              Normal
  11/05/2026 11 AM PST            1.04            166         0              Normal
  11/05/2026 12 PM PST            1.04            166         0              Normal
  11/05/2026 01 PM PST            1.04            166         0              Normal
  11/05/2026 02 PM PST            1.04            166         0              Normal
  11/05/2026 03 PM PST            1.04            166         0              Normal
  11/05/2026 04 PM PST            1.04            166         0              Normal
  11/05/2026 05 PM PST            1.04            166         0              Normal
  11/05/2026 06 PM PST            1.04            166         0              Normal
  11/05/2026 07 PM PST            1.04            166         0              Normal
  11/05/2026 08 PM PST            1.04            166         0              Normal
  11/05/2026 09 PM PST            1.04            166         0              Normal
  11/05/2026 10 PM PST            1.04            166         0              Normal
  11/05/2026 11 PM PST            1.04            166         0              Normal
  11/06/2026 12 AM PST            1.04            166         0              Normal
  11/06/2026 01 AM PST            1.04            166         0              Normal
  11/06/2026 02 AM PST            1.04            166         0              Normal
  11/06/2026 03 AM PST            1.04            166         0              Normal
  11/06/2026 04 AM PST            1.04            166         0              Normal
  11/06/2026 05 AM PST            1.04            166         0              Normal
  11/06/2026 06 AM PST            1.04            166         0              Normal
  11/06/2026 07 AM PST            1.04            166         0              Normal
  11/06/2026 08 AM PST            1.04            166         0              Normal
  11/06/2026 09 AM PST            1.04            166         0              Normal
  11/06/2026 10 AM PST            1.04            166         0              Normal
  11/06/2026 11 AM PST            1.04            166         0              Normal
  11/06/2026 12 PM PST            1.04            166         0              Normal
  11/06/2026 01 PM PST            1.04            166         0              Normal
  11/06/2026 02 PM PST            1.04            166         0              Normal
  11/06/2026 03 PM PST            1.04            166         0              Normal
  11/06/2026 04 PM PST            1.04            166         0              Normal
  11/06/2026 05 PM PST            1.04            166         0              Normal
  11/06/2026 06 PM PST            1.04            166         0              Normal
  11/06/2026 07 PM PST            1.04            166         0              Normal
  11/06/2026 08 PM PST            1.04            166         0              Normal
  11/06/2026 09 PM PST            1.04            166         0              Normal
  11/06/2026 10 PM PST            1.04            166         0              Normal
  11/06/2026 11 PM PST            1.04            166         0              Normal
  11/07/2026 12 AM PST            1.04            166         0              Normal
  11/07/2026 01 AM PST            1.04            166         0              Normal
  11/07/2026 02 AM PST            1.04            166         0              Normal
  11/07/2026 03 AM PST            1.04            166         0              Normal
  11/07/2026 04 AM PST            1.04            166         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.