RUSSIAN RIVER - HEALDSBURG (HEAC1)
Latitude: 38.61º NLongitude: 122.84º WElevation: 77 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Feb 11 2026 at 1:08 PM PSTNext Issuance: Feb 12 2026 at 9:00 AM PST
Action/Monitor: 20.0 FeetMinor Flood: 23.0 FeetModerate Flood: 27.0 FeetMajor Flood: 29.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Healdsburg (HEAC1)
#
# File Generation Time:  02/11/2026 at 01:08 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/06/2026 at 03:00 PM PST
# Maximum Observed Stage:                       1.31 Feet
# Maximum Observed Flow:                        588 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/16/2026 at 04:00 AM PST
# Maximum Forecast Stage:                       3.70 Feet
# Maximum Forecast Flow:                        2107 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/06/2026 01 PM PST            1.30            584                        Normal
  02/06/2026 02 PM PST            1.31            588         +              Normal
  02/06/2026 03 PM PST            1.31            588         0              Normal
  02/06/2026 04 PM PST            1.30            584         -              Normal
  02/06/2026 05 PM PST            1.29            580         -              Normal
  02/06/2026 06 PM PST            1.29            580         0              Normal
  02/06/2026 07 PM PST            1.29            580         0              Normal
  02/06/2026 08 PM PST            1.29            580         0              Normal
  02/06/2026 09 PM PST            1.28            576         -              Normal
  02/06/2026 10 PM PST            1.27            572         -              Normal
  02/06/2026 11 PM PST            1.27            572         0              Normal
  02/07/2026 12 AM PST            1.27            572         0              Normal
  02/07/2026 01 AM PST            1.26            569         -              Normal
  02/07/2026 02 AM PST            1.25            565         -              Normal
  02/07/2026 03 AM PST            1.25            565         0              Normal
  02/07/2026 04 AM PST            1.24            561         -              Normal
  02/07/2026 05 AM PST            1.24            561         0              Normal
  02/07/2026 06 AM PST            1.24            561         0              Normal
  02/07/2026 07 AM PST            1.23            557         -              Normal
  02/07/2026 08 AM PST            1.23            557         0              Normal
  02/07/2026 09 AM PST            1.23            557         0              Normal
  02/07/2026 10 AM PST            1.23            557         0              Normal
  02/07/2026 11 AM PST            1.23            557         0              Normal
  02/07/2026 12 PM PST            1.22            553         -              Normal
  02/07/2026 01 PM PST            1.22            553         0              Normal
  02/07/2026 02 PM PST            1.22            553         0              Normal
  02/07/2026 03 PM PST            1.22            553         0              Normal
  02/07/2026 04 PM PST            1.22            553         0              Normal
  02/07/2026 05 PM PST            1.21            549         -              Normal
  02/07/2026 06 PM PST            1.21            549         0              Normal
  02/07/2026 07 PM PST            1.21            549         0              Normal
  02/07/2026 08 PM PST            1.21            549         0              Normal
  02/07/2026 09 PM PST            1.21            549         0              Normal
  02/07/2026 10 PM PST            1.20            545         -              Normal
  02/07/2026 11 PM PST            1.20            545         0              Normal
  02/08/2026 12 AM PST            1.20            545         0              Normal
  02/08/2026 01 AM PST            1.19            541         -              Normal
  02/08/2026 02 AM PST            1.19            541         0              Normal
  02/08/2026 03 AM PST            1.19            541         0              Normal
  02/08/2026 04 AM PST            1.19            541         0              Normal
  02/08/2026 05 AM PST            1.19            541         0              Normal
  02/08/2026 06 AM PST            1.19            541         0              Normal
  02/08/2026 07 AM PST            1.19            541         0              Normal
  02/08/2026 08 AM PST            1.19            541         0              Normal
  02/08/2026 09 AM PST            1.18            537         -              Normal
  02/08/2026 10 AM PST            1.18            537         0              Normal
  02/08/2026 11 AM PST            1.18            537         0              Normal
  02/08/2026 12 PM PST            1.18            537         0              Normal
  02/08/2026 01 PM PST            1.18            537         0              Normal
  02/08/2026 02 PM PST            1.18            537         0              Normal
  02/08/2026 03 PM PST            1.18            537         0              Normal
  02/08/2026 04 PM PST            1.18            537         0              Normal
  02/08/2026 05 PM PST            1.18            537         0              Normal
  02/08/2026 06 PM PST            1.17            534         -              Normal
  02/08/2026 07 PM PST            1.17            534         0              Normal
  02/08/2026 08 PM PST            1.17            534         0              Normal
  02/08/2026 09 PM PST            1.16            530         -              Normal
  02/08/2026 10 PM PST            1.17            534         +              Normal
  02/08/2026 11 PM PST            1.16            530         -              Normal
  02/09/2026 12 AM PST            1.16            530         0              Normal
  02/09/2026 01 AM PST            1.16            530         0              Normal
  02/09/2026 02 AM PST            1.15            526         -              Normal
  02/09/2026 03 AM PST            1.15            526         0              Normal
  02/09/2026 04 AM PST            1.15            526         0              Normal
  02/09/2026 05 AM PST            1.15            526         0              Normal
  02/09/2026 06 AM PST            1.15            526         0              Normal
  02/09/2026 07 AM PST            1.14            522         -              Normal
  02/09/2026 08 AM PST            1.14            522         0              Normal
  02/09/2026 09 AM PST            1.14            522         0              Normal
  02/09/2026 10 AM PST            1.14            522         0              Normal
  02/09/2026 11 AM PST            1.14            522         0              Normal
  02/09/2026 12 PM PST            1.14            522         0              Normal
  02/09/2026 01 PM PST            1.14            522         0              Normal
  02/09/2026 02 PM PST            1.14            522         0              Normal
  02/09/2026 03 PM PST            1.13            518         -              Normal
  02/09/2026 04 PM PST            1.13            518         0              Normal
  02/09/2026 05 PM PST            1.13            518         0              Normal
  02/09/2026 06 PM PST            1.13            518         0              Normal
  02/09/2026 07 PM PST            1.14            522         +              Normal
  02/09/2026 08 PM PST            1.13            518         -              Normal
  02/09/2026 09 PM PST            1.12            515         -              Normal
  02/09/2026 10 PM PST            1.12            515         0              Normal
  02/09/2026 11 PM PST            1.12            515         0              Normal
  02/10/2026 12 AM PST            1.12            515         0              Normal
  02/10/2026 01 AM PST            1.13            518         +              Normal
  02/10/2026 02 AM PST            1.12            515         -              Normal
  02/10/2026 03 AM PST            1.12            515         0              Normal
  02/10/2026 04 AM PST            1.11            511         -              Normal
  02/10/2026 05 AM PST            1.11            511         0              Normal
  02/10/2026 06 AM PST            1.11            511         0              Normal
  02/10/2026 07 AM PST            1.11            511         0              Normal
  02/10/2026 08 AM PST            1.11            511         0              Normal
  02/10/2026 09 AM PST            1.11            511         0              Normal
  02/10/2026 10 AM PST            1.11            511         0              Normal
  02/10/2026 11 AM PST            1.11            511         0              Normal
  02/10/2026 12 PM PST            1.11            511         0              Normal
  02/10/2026 01 PM PST            1.11            511         0              Normal
  02/10/2026 02 PM PST            1.11            511         0              Normal
  02/10/2026 03 PM PST            1.11            511         0              Normal
  02/10/2026 04 PM PST            1.11            511         0              Normal
  02/10/2026 05 PM PST            1.11            511         0              Normal
  02/10/2026 06 PM PST            1.11            511         0              Normal
  02/10/2026 07 PM PST            1.12            515         +              Normal
  02/10/2026 08 PM PST            1.11            511         -              Normal
  02/10/2026 09 PM PST            1.11            511         0              Normal
  02/10/2026 10 PM PST            1.11            511         0              Normal
  02/10/2026 11 PM PST            1.12            515         +              Normal
  02/11/2026 12 AM PST            1.11            511         -              Normal
  02/11/2026 01 AM PST            1.11            511         0              Normal
  02/11/2026 02 AM PST            1.11            511         0              Normal
  02/11/2026 03 AM PST            1.12            515         +              Normal
  02/11/2026 04 AM PST            1.11            511         -              Normal
  02/11/2026 05 AM PST            1.11            511         0              Normal
  02/11/2026 06 AM PST            1.12            515         +              Normal
  02/11/2026 07 AM PST            1.12            515         0              Normal
  02/11/2026 08 AM PST            1.11            511         -              Normal
  02/11/2026 09 AM PST            1.12            515         +              Normal
  02/11/2026 10 AM PST            1.12            515         0              Normal
  02/11/2026 11 AM PST            1.12            515         0              Normal
  02/11/2026 12 PM PST            1.13            518         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/11/2026 01 PM PST            1.13            518                        Normal
  02/11/2026 02 PM PST            1.13            518         0              Normal
  02/11/2026 03 PM PST            1.14            522         +              Normal
  02/11/2026 04 PM PST            1.14            522         0              Normal
  02/11/2026 05 PM PST            1.14            522         0              Normal
  02/11/2026 06 PM PST            1.15            526         +              Normal
  02/11/2026 07 PM PST            1.15            526         0              Normal
  02/11/2026 08 PM PST            1.15            526         0              Normal
  02/11/2026 09 PM PST            1.16            530         +              Normal
  02/11/2026 10 PM PST            1.16            530         0              Normal
  02/11/2026 11 PM PST            1.16            530         0              Normal
  02/12/2026 12 AM PST            1.16            530         0              Normal
  02/12/2026 01 AM PST            1.16            530         0              Normal
  02/12/2026 02 AM PST            1.17            534         +              Normal
  02/12/2026 03 AM PST            1.17            534         0              Normal
  02/12/2026 04 AM PST            1.17            534         0              Normal
  02/12/2026 05 AM PST            1.17            534         0              Normal
  02/12/2026 06 AM PST            1.17            534         0              Normal
  02/12/2026 07 AM PST            1.16            530         -              Normal
  02/12/2026 08 AM PST            1.16            530         0              Normal
  02/12/2026 09 AM PST            1.16            530         0              Normal
  02/12/2026 10 AM PST            1.15            526         -              Normal
  02/12/2026 11 AM PST            1.15            526         0              Normal
  02/12/2026 12 PM PST            1.14            522         -              Normal
  02/12/2026 01 PM PST            1.14            522         0              Normal
  02/12/2026 02 PM PST            1.13            518         -              Normal
  02/12/2026 03 PM PST            1.13            518         0              Normal
  02/12/2026 04 PM PST            1.12            515         -              Normal
  02/12/2026 05 PM PST            1.12            515         0              Normal
  02/12/2026 06 PM PST            1.11            511         -              Normal
  02/12/2026 07 PM PST            1.11            511         0              Normal
  02/12/2026 08 PM PST            1.10            507         -              Normal
  02/12/2026 09 PM PST            1.10            507         0              Normal
  02/12/2026 10 PM PST            1.09            503         -              Normal
  02/12/2026 11 PM PST            1.09            503         0              Normal
  02/13/2026 12 AM PST            1.09            503         0              Normal
  02/13/2026 01 AM PST            1.08            500         -              Normal
  02/13/2026 02 AM PST            1.08            500         0              Normal
  02/13/2026 03 AM PST            1.08            500         0              Normal
  02/13/2026 04 AM PST            1.07            496         -              Normal
  02/13/2026 05 AM PST            1.07            496         0              Normal
  02/13/2026 06 AM PST            1.07            496         0              Normal
  02/13/2026 07 AM PST            1.07            496         0              Normal
  02/13/2026 08 AM PST            1.07            496         0              Normal
  02/13/2026 09 AM PST            1.06            492         -              Normal
  02/13/2026 10 AM PST            1.06            492         0              Normal
  02/13/2026 11 AM PST            1.06            492         0              Normal
  02/13/2026 12 PM PST            1.06            492         0              Normal
  02/13/2026 01 PM PST            1.06            492         0              Normal
  02/13/2026 02 PM PST            1.06            492         0              Normal
  02/13/2026 03 PM PST            1.06            492         0              Normal
  02/13/2026 04 PM PST            1.06            492         0              Normal
  02/13/2026 05 PM PST            1.06            492         0              Normal
  02/13/2026 06 PM PST            1.06            492         0              Normal
  02/13/2026 07 PM PST            1.06            492         0              Normal
  02/13/2026 08 PM PST            1.06            492         0              Normal
  02/13/2026 09 PM PST            1.06            492         0              Normal
  02/13/2026 10 PM PST            1.06            492         0              Normal
  02/13/2026 11 PM PST            1.06            492         0              Normal
  02/14/2026 12 AM PST            1.06            492         0              Normal
  02/14/2026 01 AM PST            1.06            492         0              Normal
  02/14/2026 02 AM PST            1.06            492         0              Normal
  02/14/2026 03 AM PST            1.06            492         0              Normal
  02/14/2026 04 AM PST            1.06            492         0              Normal
  02/14/2026 05 AM PST            1.06            492         0              Normal
  02/14/2026 06 AM PST            1.06            492         0              Normal
  02/14/2026 07 AM PST            1.06            492         0              Normal
  02/14/2026 08 AM PST            1.07            496         +              Normal
  02/14/2026 09 AM PST            1.07            496         0              Normal
  02/14/2026 10 AM PST            1.07            496         0              Normal
  02/14/2026 11 AM PST            1.07            496         0              Normal
  02/14/2026 12 PM PST            1.07            496         0              Normal
  02/14/2026 01 PM PST            1.07            496         0              Normal
  02/14/2026 02 PM PST            1.07            496         0              Normal
  02/14/2026 03 PM PST            1.07            496         0              Normal
  02/14/2026 04 PM PST            1.07            496         0              Normal
  02/14/2026 05 PM PST            1.07            496         0              Normal
  02/14/2026 06 PM PST            1.08            500         +              Normal
  02/14/2026 07 PM PST            1.08            500         0              Normal
  02/14/2026 08 PM PST            1.08            500         0              Normal
  02/14/2026 09 PM PST            1.08            500         0              Normal
  02/14/2026 10 PM PST            1.08            500         0              Normal
  02/14/2026 11 PM PST            1.08            500         0              Normal
  02/15/2026 12 AM PST            1.08            500         0              Normal
  02/15/2026 01 AM PST            1.09            503         +              Normal
  02/15/2026 02 AM PST            1.09            503         0              Normal
  02/15/2026 03 AM PST            1.09            503         0              Normal
  02/15/2026 04 AM PST            1.10            507         +              Normal
  02/15/2026 05 AM PST            1.10            507         0              Normal
  02/15/2026 06 AM PST            1.10            507         0              Normal
  02/15/2026 07 AM PST            1.11            511         +              Normal
  02/15/2026 08 AM PST            1.11            511         0              Normal
  02/15/2026 09 AM PST            1.12            515         +              Normal
  02/15/2026 10 AM PST            1.13            518         +              Normal
  02/15/2026 11 AM PST            1.14            522         +              Normal
  02/15/2026 12 PM PST            1.15            526         +              Normal
  02/15/2026 01 PM PST            1.17            534         +              Normal
  02/15/2026 02 PM PST            1.21            549         +              Normal
  02/15/2026 03 PM PST            1.26            569         +              Normal
  02/15/2026 04 PM PST            1.32            592         +              Normal
  02/15/2026 05 PM PST            1.40            625         +              Normal
  02/15/2026 06 PM PST            1.52            675         +              Normal
  02/15/2026 07 PM PST            1.70            755         +              Normal
  02/15/2026 08 PM PST            1.89            860         +              Normal
  02/15/2026 09 PM PST            2.13            997         +              Normal
  02/15/2026 10 PM PST            2.37           1142         +              Normal
  02/15/2026 11 PM PST            2.60           1290         +              Normal
  02/16/2026 12 AM PST            2.81           1432         +              Normal
  02/16/2026 01 AM PST            3.04           1595         +              Normal
  02/16/2026 02 AM PST            3.27           1767         +              Normal
  02/16/2026 03 AM PST            3.50           1945         +              Normal
  02/16/2026 04 AM PST            3.70           2107         +              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.