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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
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TRINITY RIVER - HOOPA (HOOC1)
Latitude: 41.05º NLongitude: 123.68º WElevation: 333 Feet
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 06 2025 at 7:49 AM PDTNext Issuance: Jun 07 2025 at 9:00 AM PDT
Action/Monitor: 44.0 FeetMinor Flood: 48.0 FeetModerate Flood: 52.0 FeetMajor Flood: 56.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Trinity River - Hoopa (HOOC1)
#
# File Generation Time:  06/06/2025 at 07:49 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/01/2025 at 05:00 PM PDT
# Maximum Observed Stage:                       14.68 Feet
# Maximum Observed Flow:                        3827 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/06/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       13.92 Feet
# Maximum Forecast Flow:                        2880 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/01/2025 07 AM PDT           14.51           3603                        Normal
  06/01/2025 08 AM PDT           14.51           3603         0              Normal
  06/01/2025 09 AM PDT           14.53           3629         +              Normal
  06/01/2025 10 AM PDT           14.55           3655         +              Normal
  06/01/2025 11 AM PDT           14.58           3695         +              Normal
  06/01/2025 12 PM PDT           14.61           3734         +              Normal
  06/01/2025 01 PM PDT           14.65           3787         +              Normal
  06/01/2025 02 PM PDT           14.67           3814         +              Normal
  06/01/2025 03 PM PDT           14.67           3814         0              Normal
  06/01/2025 04 PM PDT           14.68           3827         +              Normal
  06/01/2025 05 PM PDT           14.68           3827         0              Normal
  06/01/2025 06 PM PDT           14.66           3801         -              Normal
  06/01/2025 07 PM PDT           14.62           3747         -              Normal
  06/01/2025 08 PM PDT           14.60           3721         -              Normal
  06/01/2025 09 PM PDT           14.58           3695         -              Normal
  06/01/2025 10 PM PDT           14.55           3655         -              Normal
  06/01/2025 11 PM PDT           14.52           3616         -              Normal
  06/02/2025 12 AM PDT           14.50           3590         -              Normal
  06/02/2025 01 AM PDT           14.47           3551         -              Normal
  06/02/2025 02 AM PDT           14.43           3500         -              Normal
  06/02/2025 03 AM PDT           14.41           3475         -              Normal
  06/02/2025 04 AM PDT           14.40           3462         -              Normal
  06/02/2025 05 AM PDT           14.36           3411         -              Normal
  06/02/2025 06 AM PDT           14.36           3411         0              Normal
  06/02/2025 07 AM PDT           14.34           3386         -              Normal
  06/02/2025 08 AM PDT           14.34           3386         0              Normal
  06/02/2025 09 AM PDT           14.33           3374         -              Normal
  06/02/2025 10 AM PDT           14.34           3386         +              Normal
  06/02/2025 11 AM PDT           14.34           3386         0              Normal
  06/02/2025 12 PM PDT           14.35           3399         +              Normal
  06/02/2025 01 PM PDT           14.36           3411         +              Normal
  06/02/2025 02 PM PDT           14.38           3437         +              Normal
  06/02/2025 03 PM PDT           14.38           3437         0              Normal
  06/02/2025 04 PM PDT           14.40           3462         +              Normal
  06/02/2025 05 PM PDT           14.40           3462         0              Normal
  06/02/2025 06 PM PDT           14.41           3475         +              Normal
  06/02/2025 07 PM PDT           14.39           3449         -              Normal
  06/02/2025 08 PM PDT           14.40           3462         +              Normal
  06/02/2025 09 PM PDT           14.37           3424         -              Normal
  06/02/2025 10 PM PDT           14.37           3424         0              Normal
  06/02/2025 11 PM PDT           14.34           3386         -              Normal
  06/03/2025 12 AM PDT           14.33           3374         -              Normal
  06/03/2025 01 AM PDT           14.31           3349         -              Normal
  06/03/2025 02 AM PDT           14.30           3336         -              Normal
  06/03/2025 03 AM PDT           14.28           3311         -              Normal
  06/03/2025 04 AM PDT           14.27           3299         -              Normal
  06/03/2025 05 AM PDT           14.25           3274         -              Normal
  06/03/2025 06 AM PDT           14.23           3249         -              Normal
  06/03/2025 07 AM PDT           14.21           3225         -              Normal
  06/03/2025 08 AM PDT           14.19           3200         -              Normal
  06/03/2025 09 AM PDT           14.19           3200         0              Normal
  06/03/2025 10 AM PDT           14.18           3188         -              Normal
  06/03/2025 11 AM PDT           14.18           3188         0              Normal
  06/03/2025 12 PM PDT           14.18           3188         0              Normal
  06/03/2025 01 PM PDT           14.20           3213         +              Normal
  06/03/2025 02 PM PDT           14.21           3225         +              Normal
  06/03/2025 03 PM PDT           14.22           3237         +              Normal
  06/03/2025 04 PM PDT           14.23           3249         +              Normal
  06/03/2025 05 PM PDT           14.25           3274         +              Normal
  06/03/2025 06 PM PDT           14.26           3286         +              Normal
  06/03/2025 07 PM PDT           14.25           3274         -              Normal
  06/03/2025 08 PM PDT           14.24           3262         -              Normal
  06/03/2025 09 PM PDT           14.24           3262         0              Normal
  06/03/2025 10 PM PDT           14.22           3237         -              Normal
  06/03/2025 11 PM PDT           14.21           3225         -              Normal
  06/04/2025 12 AM PDT           14.22           3237         +              Normal
  06/04/2025 01 AM PDT           14.20           3213         -              Normal
  06/04/2025 02 AM PDT           14.18           3188         -              Normal
  06/04/2025 03 AM PDT           14.16           3164         -              Normal
  06/04/2025 04 AM PDT           14.15           3152         -              Normal
  06/04/2025 05 AM PDT           14.14           3140         -              Normal
  06/04/2025 06 AM PDT           14.13           3128         -              Normal
  06/04/2025 07 AM PDT           14.11           3104         -              Normal
  06/04/2025 08 AM PDT           14.11           3104         0              Normal
  06/04/2025 09 AM PDT           14.11           3104         0              Normal
  06/04/2025 10 AM PDT           14.10           3092         -              Normal
  06/04/2025 11 AM PDT           14.11           3104         +              Normal
  06/04/2025 12 PM PDT           14.12           3116         +              Normal
  06/04/2025 01 PM PDT           14.14           3140         +              Normal
  06/04/2025 02 PM PDT           14.17           3176         +              Normal
  06/04/2025 03 PM PDT           14.18           3188         +              Normal
  06/04/2025 04 PM PDT           14.19           3200         +              Normal
  06/04/2025 05 PM PDT           14.19           3200         0              Normal
  06/04/2025 06 PM PDT           14.21           3225         +              Normal
  06/04/2025 07 PM PDT           14.21           3225         0              Normal
  06/04/2025 08 PM PDT           14.21           3225         0              Normal
  06/04/2025 09 PM PDT           14.20           3213         -              Normal
  06/04/2025 10 PM PDT           14.18           3188         -              Normal
  06/04/2025 11 PM PDT           14.18           3188         0              Normal
  06/05/2025 12 AM PDT           14.15           3152         -              Normal
  06/05/2025 01 AM PDT           14.12           3116         -              Normal
  06/05/2025 02 AM PDT           14.11           3104         -              Normal
  06/05/2025 03 AM PDT           14.10           3092         -              Normal
  06/05/2025 04 AM PDT           14.08           3068         -              Normal
  06/05/2025 05 AM PDT           14.08           3068         0              Normal
  06/05/2025 06 AM PDT           14.05           3032         -              Normal
  06/05/2025 07 AM PDT           14.03           3008         -              Normal
  06/05/2025 08 AM PDT           14.02           2997         -              Normal
  06/05/2025 09 AM PDT           14.01           2985         -              Normal
  06/05/2025 10 AM PDT           14.01           2985         0              Normal
  06/05/2025 11 AM PDT           14.00           2973         -              Normal
  06/05/2025 12 PM PDT           14.01           2985         +              Normal
  06/05/2025 01 PM PDT           14.03           3008         +              Normal
  06/05/2025 02 PM PDT           14.04           3020         +              Normal
  06/05/2025 03 PM PDT           14.06           3044         +              Normal
  06/05/2025 04 PM PDT           14.07           3056         +              Normal
  06/05/2025 05 PM PDT           14.09           3080         +              Normal
  06/05/2025 06 PM PDT           14.08           3068         -              Normal
  06/05/2025 07 PM PDT           14.08           3068         0              Normal
  06/05/2025 08 PM PDT           14.08           3068         0              Normal
  06/05/2025 09 PM PDT           14.08           3068         0              Normal
  06/05/2025 10 PM PDT           14.06           3044         -              Normal
  06/05/2025 11 PM PDT           14.06           3044         0              Normal
  06/06/2025 12 AM PDT           14.05           3032         -              Normal
  06/06/2025 01 AM PDT           14.04           3020         -              Normal
  06/06/2025 02 AM PDT           14.02           2997         -              Normal
  06/06/2025 03 AM PDT           14.00           2973         -              Normal
  06/06/2025 04 AM PDT           13.99           2961         -              Normal
  06/06/2025 05 AM PDT           13.97           2938         -              Normal
  06/06/2025 06 AM PDT           13.95           2915         -              Normal
  06/06/2025 07 AM PDT           13.93           2892         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/06/2025 08 AM PDT           13.92           2880                        Normal
  06/06/2025 09 AM PDT           13.91           2869         -              Normal
  06/06/2025 10 AM PDT           13.90           2857         -              Normal
  06/06/2025 11 AM PDT           13.89           2846         -              Normal
  06/06/2025 12 PM PDT           13.89           2846         0              Normal
  06/06/2025 01 PM PDT           13.89           2846         0              Normal
  06/06/2025 02 PM PDT           13.89           2846         0              Normal
  06/06/2025 03 PM PDT           13.90           2857         +              Normal
  06/06/2025 04 PM PDT           13.90           2857         0              Normal
  06/06/2025 05 PM PDT           13.90           2857         0              Normal
  06/06/2025 06 PM PDT           13.90           2857         0              Normal
  06/06/2025 07 PM PDT           13.89           2846         -              Normal
  06/06/2025 08 PM PDT           13.89           2846         0              Normal
  06/06/2025 09 PM PDT           13.88           2834         -              Normal
  06/06/2025 10 PM PDT           13.88           2834         0              Normal
  06/06/2025 11 PM PDT           13.88           2834         0              Normal
  06/07/2025 12 AM PDT           13.87           2823         -              Normal
  06/07/2025 01 AM PDT           13.87           2823         0              Normal
  06/07/2025 02 AM PDT           13.87           2823         0              Normal
  06/07/2025 03 AM PDT           13.87           2823         0              Normal
  06/07/2025 04 AM PDT           13.86           2811         -              Normal
  06/07/2025 05 AM PDT           13.86           2811         0              Normal
  06/07/2025 06 AM PDT           13.86           2811         0              Normal
  06/07/2025 07 AM PDT           13.85           2800         -              Normal
  06/07/2025 08 AM PDT           13.85           2800         0              Normal
  06/07/2025 09 AM PDT           13.85           2800         0              Normal
  06/07/2025 10 AM PDT           13.84           2789         -              Normal
  06/07/2025 11 AM PDT           13.84           2789         0              Normal
  06/07/2025 12 PM PDT           13.84           2789         0              Normal
  06/07/2025 01 PM PDT           13.83           2777         -              Normal
  06/07/2025 02 PM PDT           13.83           2777         0              Normal
  06/07/2025 03 PM PDT           13.83           2777         0              Normal
  06/07/2025 04 PM PDT           13.82           2766         -              Normal
  06/07/2025 05 PM PDT           13.82           2766         0              Normal
  06/07/2025 06 PM PDT           13.82           2766         0              Normal
  06/07/2025 07 PM PDT           13.82           2766         0              Normal
  06/07/2025 08 PM PDT           13.82           2766         0              Normal
  06/07/2025 09 PM PDT           13.81           2755         -              Normal
  06/07/2025 10 PM PDT           13.81           2755         0              Normal
  06/07/2025 11 PM PDT           13.81           2755         0              Normal
  06/08/2025 12 AM PDT           13.81           2755         0              Normal
  06/08/2025 01 AM PDT           13.81           2755         0              Normal
  06/08/2025 02 AM PDT           13.81           2755         0              Normal
  06/08/2025 03 AM PDT           13.80           2743         -              Normal
  06/08/2025 04 AM PDT           13.80           2743         0              Normal
  06/08/2025 05 AM PDT           13.80           2743         0              Normal
  06/08/2025 06 AM PDT           13.80           2743         0              Normal
  06/08/2025 07 AM PDT           13.80           2743         0              Normal
  06/08/2025 08 AM PDT           13.80           2743         0              Normal
  06/08/2025 09 AM PDT           13.79           2732         -              Normal
  06/08/2025 10 AM PDT           13.79           2732         0              Normal
  06/08/2025 11 AM PDT           13.79           2732         0              Normal
  06/08/2025 12 PM PDT           13.79           2732         0              Normal
  06/08/2025 01 PM PDT           13.79           2732         0              Normal
  06/08/2025 02 PM PDT           13.79           2732         0              Normal
  06/08/2025 03 PM PDT           13.79           2732         0              Normal
  06/08/2025 04 PM PDT           13.79           2732         0              Normal
  06/08/2025 05 PM PDT           13.78           2721         -              Normal
  06/08/2025 06 PM PDT           13.78           2721         0              Normal
  06/08/2025 07 PM PDT           13.78           2721         0              Normal
  06/08/2025 08 PM PDT           13.78           2721         0              Normal
  06/08/2025 09 PM PDT           13.78           2721         0              Normal
  06/08/2025 10 PM PDT           13.78           2721         0              Normal
  06/08/2025 11 PM PDT           13.77           2710         -              Normal
  06/09/2025 12 AM PDT           13.77           2710         0              Normal
  06/09/2025 01 AM PDT           13.76           2699         -              Normal
  06/09/2025 02 AM PDT           13.76           2699         0              Normal
  06/09/2025 03 AM PDT           13.75           2687         -              Normal
  06/09/2025 04 AM PDT           13.74           2676         -              Normal
  06/09/2025 05 AM PDT           13.74           2676         0              Normal
  06/09/2025 06 AM PDT           13.73           2665         -              Normal
  06/09/2025 07 AM PDT           13.73           2665         0              Normal
  06/09/2025 08 AM PDT           13.72           2654         -              Normal
  06/09/2025 09 AM PDT           13.72           2654         0              Normal
  06/09/2025 10 AM PDT           13.72           2654         0              Normal
  06/09/2025 11 AM PDT           13.72           2654         0              Normal
  06/09/2025 12 PM PDT           13.72           2654         0              Normal
  06/09/2025 01 PM PDT           13.71           2643         -              Normal
  06/09/2025 02 PM PDT           13.71           2643         0              Normal
  06/09/2025 03 PM PDT           13.71           2643         0              Normal
  06/09/2025 04 PM PDT           13.71           2643         0              Normal
  06/09/2025 05 PM PDT           13.71           2643         0              Normal
  06/09/2025 06 PM PDT           13.71           2643         0              Normal
  06/09/2025 07 PM PDT           13.71           2643         0              Normal
  06/09/2025 08 PM PDT           13.71           2643         0              Normal
  06/09/2025 09 PM PDT           13.71           2643         0              Normal
  06/09/2025 10 PM PDT           13.70           2632         -              Normal
  06/09/2025 11 PM PDT           13.70           2632         0              Normal
  06/10/2025 12 AM PDT           13.70           2632         0              Normal
  06/10/2025 01 AM PDT           13.70           2632         0              Normal
  06/10/2025 02 AM PDT           13.70           2632         0              Normal
  06/10/2025 03 AM PDT           13.70           2632         0              Normal
  06/10/2025 04 AM PDT           13.70           2632         0              Normal
  06/10/2025 05 AM PDT           13.70           2632         0              Normal
  06/10/2025 06 AM PDT           13.70           2632         0              Normal
  06/10/2025 07 AM PDT           13.70           2632         0              Normal
  06/10/2025 08 AM PDT           13.70           2632         0              Normal
  06/10/2025 09 AM PDT           13.69           2621         -              Normal
  06/10/2025 10 AM PDT           13.69           2621         0              Normal
  06/10/2025 11 AM PDT           13.69           2621         0              Normal
  06/10/2025 12 PM PDT           13.69           2621         0              Normal
  06/10/2025 01 PM PDT           13.69           2621         0              Normal
  06/10/2025 02 PM PDT           13.69           2621         0              Normal
  06/10/2025 03 PM PDT           13.69           2621         0              Normal
  06/10/2025 04 PM PDT           13.69           2621         0              Normal
  06/10/2025 05 PM PDT           13.69           2621         0              Normal
  06/10/2025 06 PM PDT           13.69           2621         0              Normal
  06/10/2025 07 PM PDT           13.68           2610         -              Normal
  06/10/2025 08 PM PDT           13.68           2610         0              Normal
  06/10/2025 09 PM PDT           13.68           2610         0              Normal
  06/10/2025 10 PM PDT           13.68           2610         0              Normal
  06/10/2025 11 PM PDT           13.68           2610         0              Normal
  06/11/2025 12 AM PDT           13.68           2610         0              Normal
  06/11/2025 01 AM PDT           13.68           2610         0              Normal
  06/11/2025 02 AM PDT           13.68           2610         0              Normal
  06/11/2025 03 AM PDT           13.67           2599         -              Normal
  06/11/2025 04 AM PDT           13.67           2599         0              Normal
  06/11/2025 05 AM PDT           13.67           2599         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.