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 - HEALDSBURG (HEAC1)
Latitude: 38.61º NLongitude: 122.84º WElevation: 77 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Jul 01 2025 at 7:37 AM PDTNext Issuance: Jul 02 2025 at 9:00 AM PDT
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:  07/01/2025 at 07:37 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/29/2025 at 11:00 AM PDT
# Maximum Observed Stage:                       1.66 Feet
# Maximum Observed Flow:                        427 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/01/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       1.62 Feet
# Maximum Forecast Flow:                        411 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/26/2025 07 AM PDT            1.03            222                        Normal
  06/26/2025 08 AM PDT            1.03            222         0              Normal
  06/26/2025 09 AM PDT            1.03            222         0              Normal
  06/26/2025 10 AM PDT            1.03            222         0              Normal
  06/26/2025 11 AM PDT            1.03            222         0              Normal
  06/26/2025 12 PM PDT            1.03            222         0              Normal
  06/26/2025 01 PM PDT            1.03            222         0              Normal
  06/26/2025 02 PM PDT            1.03            222         0              Normal
  06/26/2025 03 PM PDT            1.02            219         -              Normal
  06/26/2025 04 PM PDT            1.02            219         0              Normal
  06/26/2025 05 PM PDT            1.02            219         0              Normal
  06/26/2025 06 PM PDT            1.02            219         0              Normal
  06/26/2025 07 PM PDT            1.02            219         0              Normal
  06/26/2025 08 PM PDT            1.01            217         -              Normal
  06/26/2025 09 PM PDT            1.01            217         0              Normal
  06/26/2025 10 PM PDT            1.01            217         0              Normal
  06/26/2025 11 PM PDT            1.01            217         0              Normal
  06/27/2025 12 AM PDT            1.01            217         0              Normal
  06/27/2025 01 AM PDT            1.01            217         0              Normal
  06/27/2025 02 AM PDT            1.01            217         0              Normal
  06/27/2025 03 AM PDT            1.00            214         -              Normal
  06/27/2025 04 AM PDT            1.00            214         0              Normal
  06/27/2025 05 AM PDT            1.00            214         0              Normal
  06/27/2025 06 AM PDT            1.00            214         0              Normal
  06/27/2025 07 AM PDT            1.00            214         0              Normal
  06/27/2025 08 AM PDT            1.00            214         0              Normal
  06/27/2025 09 AM PDT            1.01            217         +              Normal
  06/27/2025 10 AM PDT            1.01            217         0              Normal
  06/27/2025 11 AM PDT            1.01            217         0              Normal
  06/27/2025 12 PM PDT            1.01            217         0              Normal
  06/27/2025 01 PM PDT            1.02            219         +              Normal
  06/27/2025 02 PM PDT            1.05            228         +              Normal
  06/27/2025 03 PM PDT            1.09            238         +              Normal
  06/27/2025 04 PM PDT            1.15            254         +              Normal
  06/27/2025 05 PM PDT            1.20            268         +              Normal
  06/27/2025 06 PM PDT            1.26            285         +              Normal
  06/27/2025 07 PM PDT            1.31            300         +              Normal
  06/27/2025 08 PM PDT            1.36            316         +              Normal
  06/27/2025 09 PM PDT            1.39            325         +              Normal
  06/27/2025 10 PM PDT            1.43            339         +              Normal
  06/27/2025 11 PM PDT            1.47            354         +              Normal
  06/28/2025 12 AM PDT            1.49            361         +              Normal
  06/28/2025 01 AM PDT            1.51            369         +              Normal
  06/28/2025 02 AM PDT            1.53            376         +              Normal
  06/28/2025 03 AM PDT            1.55            384         +              Normal
  06/28/2025 04 AM PDT            1.56            388         +              Normal
  06/28/2025 05 AM PDT            1.57            391         +              Normal
  06/28/2025 06 AM PDT            1.59            399         +              Normal
  06/28/2025 07 AM PDT            1.60            403         +              Normal
  06/28/2025 08 AM PDT            1.61            407         +              Normal
  06/28/2025 09 AM PDT            1.62            411         +              Normal
  06/28/2025 10 AM PDT            1.63            415         +              Normal
  06/28/2025 11 AM PDT            1.64            419         +              Normal
  06/28/2025 12 PM PDT            1.64            419         0              Normal
  06/28/2025 01 PM PDT            1.64            419         0              Normal
  06/28/2025 02 PM PDT            1.65            423         +              Normal
  06/28/2025 03 PM PDT            1.65            423         0              Normal
  06/28/2025 04 PM PDT            1.66            427         +              Normal
  06/28/2025 05 PM PDT            1.65            423         -              Normal
  06/28/2025 06 PM PDT            1.66            427         +              Normal
  06/28/2025 07 PM PDT            1.66            427         0              Normal
  06/28/2025 08 PM PDT            1.66            427         0              Normal
  06/28/2025 09 PM PDT            1.66            427         0              Normal
  06/28/2025 10 PM PDT            1.66            427         0              Normal
  06/28/2025 11 PM PDT            1.66            427         0              Normal
  06/29/2025 12 AM PDT            1.65            423         -              Normal
  06/29/2025 01 AM PDT            1.65            423         0              Normal
  06/29/2025 02 AM PDT            1.65            423         0              Normal
  06/29/2025 03 AM PDT            1.65            423         0              Normal
  06/29/2025 04 AM PDT            1.65            423         0              Normal
  06/29/2025 05 AM PDT            1.65            423         0              Normal
  06/29/2025 06 AM PDT            1.65            423         0              Normal
  06/29/2025 07 AM PDT            1.65            423         0              Normal
  06/29/2025 08 AM PDT            1.65            423         0              Normal
  06/29/2025 09 AM PDT            1.65            423         0              Normal
  06/29/2025 10 AM PDT            1.66            427         +              Normal
  06/29/2025 11 AM PDT            1.66            427         0              Normal
  06/29/2025 12 PM PDT            1.65            423         -              Normal
  06/29/2025 01 PM PDT            1.65            423         0              Normal
  06/29/2025 02 PM PDT            1.65            423         0              Normal
  06/29/2025 03 PM PDT            1.65            423         0              Normal
  06/29/2025 04 PM PDT            1.64            419         -              Normal
  06/29/2025 05 PM PDT            0.98            209         -              Normal
  06/29/2025 06 PM PDT            0.98            209         0              Normal
  06/29/2025 07 PM PDT            0.98            209         0              Normal
  06/29/2025 08 PM PDT            0.98            209         0              Normal
  06/29/2025 09 PM PDT            0.97            206         -              Normal
  06/29/2025 10 PM PDT            0.97            206         0              Normal
  06/29/2025 11 PM PDT            0.96            203         -              Normal
  06/30/2025 12 AM PDT            0.96            203         0              Normal
  06/30/2025 01 AM PDT            0.96            203         0              Normal
  06/30/2025 02 AM PDT            0.95            201         -              Normal
  06/30/2025 03 AM PDT            0.95            201         0              Normal
  06/30/2025 04 AM PDT            0.95            201         0              Normal
  06/30/2025 05 AM PDT            0.95            201         0              Normal
  06/30/2025 06 AM PDT            0.95            201         0              Normal
  06/30/2025 07 AM PDT            0.95            201         0              Normal
  06/30/2025 08 AM PDT            0.95            201         0              Normal
  06/30/2025 09 AM PDT            0.97            206         +              Normal
  06/30/2025 10 AM PDT            1.10            240         +              Normal
  06/30/2025 11 AM PDT            1.22            273         +              Normal
  06/30/2025 12 PM PDT            1.35            313         +              Normal
  06/30/2025 01 PM PDT            1.44            343         +              Normal
  06/30/2025 02 PM PDT            1.51            369         +              Normal
  06/30/2025 03 PM PDT            1.55            384         +              Normal
  06/30/2025 04 PM PDT            1.58            395         +              Normal
  06/30/2025 05 PM PDT            1.60            403         +              Normal
  06/30/2025 06 PM PDT            1.61            407         +              Normal
  06/30/2025 07 PM PDT            1.63            415         +              Normal
  06/30/2025 08 PM PDT            1.63            415         0              Normal
  06/30/2025 09 PM PDT            1.64            419         +              Normal
  06/30/2025 10 PM PDT            1.64            419         0              Normal
  06/30/2025 11 PM PDT            1.64            419         0              Normal
  07/01/2025 12 AM PDT            1.64            419         0              Normal
  07/01/2025 01 AM PDT            1.64            419         0              Normal
  07/01/2025 02 AM PDT            1.64            419         0              Normal
  07/01/2025 03 AM PDT            1.64            419         0              Normal
  07/01/2025 04 AM PDT            1.64            419         0              Normal
  07/01/2025 05 AM PDT            1.63            415         -              Normal
  07/01/2025 06 AM PDT            1.63            415         0              Normal
  07/01/2025 07 AM PDT            1.63            415         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/01/2025 08 AM PDT            1.62            411                        Normal
  07/01/2025 09 AM PDT            1.62            411         0              Normal
  07/01/2025 10 AM PDT            1.62            411         0              Normal
  07/01/2025 11 AM PDT            1.62            411         0              Normal
  07/01/2025 12 PM PDT            1.62            411         0              Normal
  07/01/2025 01 PM PDT            1.61            407         -              Normal
  07/01/2025 02 PM PDT            1.61            407         0              Normal
  07/01/2025 03 PM PDT            1.61            407         0              Normal
  07/01/2025 04 PM PDT            1.61            407         0              Normal
  07/01/2025 05 PM PDT            1.61            407         0              Normal
  07/01/2025 06 PM PDT            1.61            407         0              Normal
  07/01/2025 07 PM PDT            1.60            403         -              Normal
  07/01/2025 08 PM PDT            1.60            403         0              Normal
  07/01/2025 09 PM PDT            1.60            403         0              Normal
  07/01/2025 10 PM PDT            1.60            403         0              Normal
  07/01/2025 11 PM PDT            1.60            403         0              Normal
  07/02/2025 12 AM PDT            1.60            403         0              Normal
  07/02/2025 01 AM PDT            1.60            403         0              Normal
  07/02/2025 02 AM PDT            1.60            403         0              Normal
  07/02/2025 03 AM PDT            1.60            403         0              Normal
  07/02/2025 04 AM PDT            1.60            403         0              Normal
  07/02/2025 05 AM PDT            1.60            403         0              Normal
  07/02/2025 06 AM PDT            1.60            403         0              Normal
  07/02/2025 07 AM PDT            1.60            403         0              Normal
  07/02/2025 08 AM PDT            1.60            403         0              Normal
  07/02/2025 09 AM PDT            1.60            403         0              Normal
  07/02/2025 10 AM PDT            1.60            403         0              Normal
  07/02/2025 11 AM PDT            1.60            403         0              Normal
  07/02/2025 12 PM PDT            1.59            399         -              Normal
  07/02/2025 01 PM PDT            1.59            399         0              Normal
  07/02/2025 02 PM PDT            1.59            399         0              Normal
  07/02/2025 03 PM PDT            1.59            399         0              Normal
  07/02/2025 04 PM PDT            1.59            399         0              Normal
  07/02/2025 05 PM PDT            1.59            399         0              Normal
  07/02/2025 06 PM PDT            1.59            399         0              Normal
  07/02/2025 07 PM PDT            1.59            399         0              Normal
  07/02/2025 08 PM PDT            1.59            399         0              Normal
  07/02/2025 09 PM PDT            1.59            399         0              Normal
  07/02/2025 10 PM PDT            1.59            399         0              Normal
  07/02/2025 11 PM PDT            1.59            399         0              Normal
  07/03/2025 12 AM PDT            1.59            399         0              Normal
  07/03/2025 01 AM PDT            1.59            399         0              Normal
  07/03/2025 02 AM PDT            1.59            399         0              Normal
  07/03/2025 03 AM PDT            1.59            399         0              Normal
  07/03/2025 04 AM PDT            1.59            399         0              Normal
  07/03/2025 05 AM PDT            1.59            399         0              Normal
  07/03/2025 06 AM PDT            1.59            399         0              Normal
  07/03/2025 07 AM PDT            1.59            399         0              Normal
  07/03/2025 08 AM PDT            1.59            399         0              Normal
  07/03/2025 09 AM PDT            1.59            399         0              Normal
  07/03/2025 10 AM PDT            1.59            399         0              Normal
  07/03/2025 11 AM PDT            1.59            399         0              Normal
  07/03/2025 12 PM PDT            1.59            399         0              Normal
  07/03/2025 01 PM PDT            1.59            399         0              Normal
  07/03/2025 02 PM PDT            1.59            399         0              Normal
  07/03/2025 03 PM PDT            1.59            399         0              Normal
  07/03/2025 04 PM PDT            1.59            399         0              Normal
  07/03/2025 05 PM PDT            1.58            395         -              Normal
  07/03/2025 06 PM PDT            1.58            395         0              Normal
  07/03/2025 07 PM PDT            1.58            395         0              Normal
  07/03/2025 08 PM PDT            1.58            395         0              Normal
  07/03/2025 09 PM PDT            1.58            395         0              Normal
  07/03/2025 10 PM PDT            1.58            395         0              Normal
  07/03/2025 11 PM PDT            1.58            395         0              Normal
  07/04/2025 12 AM PDT            1.58            395         0              Normal
  07/04/2025 01 AM PDT            1.58            395         0              Normal
  07/04/2025 02 AM PDT            1.58            395         0              Normal
  07/04/2025 03 AM PDT            1.58            395         0              Normal
  07/04/2025 04 AM PDT            1.58            395         0              Normal
  07/04/2025 05 AM PDT            1.58            395         0              Normal
  07/04/2025 06 AM PDT            1.58            395         0              Normal
  07/04/2025 07 AM PDT            1.58            395         0              Normal
  07/04/2025 08 AM PDT            1.58            395         0              Normal
  07/04/2025 09 AM PDT            1.58            395         0              Normal
  07/04/2025 10 AM PDT            1.58            395         0              Normal
  07/04/2025 11 AM PDT            1.58            395         0              Normal
  07/04/2025 12 PM PDT            1.58            395         0              Normal
  07/04/2025 01 PM PDT            1.58            395         0              Normal
  07/04/2025 02 PM PDT            1.58            395         0              Normal
  07/04/2025 03 PM PDT            1.58            395         0              Normal
  07/04/2025 04 PM PDT            1.58            395         0              Normal
  07/04/2025 05 PM PDT            1.58            395         0              Normal
  07/04/2025 06 PM PDT            1.58            395         0              Normal
  07/04/2025 07 PM PDT            1.58            395         0              Normal
  07/04/2025 08 PM PDT            1.58            395         0              Normal
  07/04/2025 09 PM PDT            1.58            395         0              Normal
  07/04/2025 10 PM PDT            1.58            395         0              Normal
  07/04/2025 11 PM PDT            1.57            391         -              Normal
  07/05/2025 12 AM PDT            1.57            391         0              Normal
  07/05/2025 01 AM PDT            1.57            391         0              Normal
  07/05/2025 02 AM PDT            1.57            391         0              Normal
  07/05/2025 03 AM PDT            1.57            391         0              Normal
  07/05/2025 04 AM PDT            1.57            391         0              Normal
  07/05/2025 05 AM PDT            1.57            391         0              Normal
  07/05/2025 06 AM PDT            1.57            391         0              Normal
  07/05/2025 07 AM PDT            1.57            391         0              Normal
  07/05/2025 08 AM PDT            1.57            391         0              Normal
  07/05/2025 09 AM PDT            1.57            391         0              Normal
  07/05/2025 10 AM PDT            1.57            391         0              Normal
  07/05/2025 11 AM PDT            1.57            391         0              Normal
  07/05/2025 12 PM PDT            1.57            391         0              Normal
  07/05/2025 01 PM PDT            1.57            391         0              Normal
  07/05/2025 02 PM PDT            1.57            391         0              Normal
  07/05/2025 03 PM PDT            1.57            391         0              Normal
  07/05/2025 04 PM PDT            1.57            391         0              Normal
  07/05/2025 05 PM PDT            1.57            391         0              Normal
  07/05/2025 06 PM PDT            1.57            391         0              Normal
  07/05/2025 07 PM PDT            1.57            391         0              Normal
  07/05/2025 08 PM PDT            1.57            391         0              Normal
  07/05/2025 09 PM PDT            1.57            391         0              Normal
  07/05/2025 10 PM PDT            1.57            391         0              Normal
  07/05/2025 11 PM PDT            1.57            391         0              Normal
  07/06/2025 12 AM PDT            1.57            391         0              Normal
  07/06/2025 01 AM PDT            1.57            391         0              Normal
  07/06/2025 02 AM PDT            1.57            391         0              Normal
  07/06/2025 03 AM PDT            1.57            391         0              Normal
  07/06/2025 04 AM PDT            1.56            388         -              Normal
  07/06/2025 05 AM PDT            1.56            388         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.