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TRINITY RIVER - HOOPA (HOOC1)
| Latitude: 41.05º N | Longitude: 123.68º W | Elevation: 333 Feet | | Forecast Type: Official Location |
| Location: Humboldt County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | May 05 2026 at 7:46 AM PDT | Next Issuance: | May 06 2026 at 9:00 AM PDT
| |
| Action/Monitor: 44.0 Feet | Minor Flood: 48.0 Feet | Moderate Flood: 52.0 Feet | Major Flood: 56.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Trinity River - Hoopa (HOOC1)
#
# File Generation Time: 05/05/2026 at 07:46 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/30/2026 at 01:00 PM PDT
# Maximum Observed Stage: 15.06 Feet
# Maximum Observed Flow: 4230 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/05/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 14.68 Feet
# Maximum Forecast Flow: 3714 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/30/2026 07 AM PDT 14.97 4105 Normal
04/30/2026 08 AM PDT 14.97 4105 0 Normal
04/30/2026 09 AM PDT 14.99 4132 + Normal
04/30/2026 10 AM PDT 14.99 4132 0 Normal
04/30/2026 11 AM PDT 15.00 4146 + Normal
04/30/2026 12 PM PDT 15.04 4202 + Normal
04/30/2026 01 PM PDT 15.06 4230 + Normal
04/30/2026 02 PM PDT 15.05 4216 - Normal
04/30/2026 03 PM PDT 15.05 4216 0 Normal
04/30/2026 04 PM PDT 15.04 4202 - Normal
04/30/2026 05 PM PDT 15.05 4216 + Normal
04/30/2026 06 PM PDT 15.04 4202 - Normal
04/30/2026 07 PM PDT 15.04 4202 0 Normal
04/30/2026 08 PM PDT 15.03 4188 - Normal
04/30/2026 09 PM PDT 15.02 4174 - Normal
04/30/2026 10 PM PDT 15.03 4188 + Normal
04/30/2026 11 PM PDT 15.00 4146 - Normal
05/01/2026 12 AM PDT 15.00 4146 0 Normal
05/01/2026 01 AM PDT 14.99 4132 - Normal
05/01/2026 02 AM PDT 15.00 4146 + Normal
05/01/2026 03 AM PDT 14.99 4132 - Normal
05/01/2026 04 AM PDT 14.98 4118 - Normal
05/01/2026 05 AM PDT 14.97 4105 - Normal
05/01/2026 06 AM PDT 14.98 4118 + Normal
05/01/2026 07 AM PDT 14.95 4077 - Normal
05/01/2026 08 AM PDT 14.94 4063 - Normal
05/01/2026 09 AM PDT 14.93 4049 - Normal
05/01/2026 10 AM PDT 14.93 4049 0 Normal
05/01/2026 11 AM PDT 14.92 4036 - Normal
05/01/2026 12 PM PDT 14.91 4022 - Normal
05/01/2026 01 PM PDT 14.93 4049 + Normal
05/01/2026 02 PM PDT 14.94 4063 + Normal
05/01/2026 03 PM PDT 14.93 4049 - Normal
05/01/2026 04 PM PDT 14.93 4049 0 Normal
05/01/2026 05 PM PDT 14.95 4077 + Normal
05/01/2026 06 PM PDT 14.95 4077 0 Normal
05/01/2026 07 PM PDT 14.94 4063 - Normal
05/01/2026 08 PM PDT 14.95 4077 + Normal
05/01/2026 09 PM PDT 14.93 4049 - Normal
05/01/2026 10 PM PDT 14.92 4036 - Normal
05/01/2026 11 PM PDT 14.89 3995 - Normal
05/02/2026 12 AM PDT 14.90 4008 + Normal
05/02/2026 01 AM PDT 14.87 3968 - Normal
05/02/2026 02 AM PDT 14.87 3968 0 Normal
05/02/2026 03 AM PDT 14.84 3927 - Normal
05/02/2026 04 AM PDT 14.84 3927 0 Normal
05/02/2026 05 AM PDT 14.83 3913 - Normal
05/02/2026 06 AM PDT 14.84 3927 + Normal
05/02/2026 07 AM PDT 14.83 3913 - Normal
05/02/2026 08 AM PDT 14.83 3913 0 Normal
05/02/2026 09 AM PDT 14.83 3913 0 Normal
05/02/2026 10 AM PDT 14.83 3913 0 Normal
05/02/2026 11 AM PDT 14.83 3913 0 Normal
05/02/2026 12 PM PDT 14.85 3940 + Normal
05/02/2026 01 PM PDT 14.85 3940 0 Normal
05/02/2026 02 PM PDT 14.84 3927 - Normal
05/02/2026 03 PM PDT 14.87 3968 + Normal
05/02/2026 04 PM PDT 14.86 3954 - Normal
05/02/2026 05 PM PDT 14.84 3927 - Normal
05/02/2026 06 PM PDT 14.84 3927 0 Normal
05/02/2026 07 PM PDT 14.84 3927 0 Normal
05/02/2026 08 PM PDT 14.82 3900 - Normal
05/02/2026 09 PM PDT 14.84 3927 + Normal
05/02/2026 10 PM PDT 14.83 3913 - Normal
05/02/2026 11 PM PDT 14.82 3900 - Normal
05/03/2026 12 AM PDT 14.82 3900 0 Normal
05/03/2026 01 AM PDT 14.80 3873 - Normal
05/03/2026 02 AM PDT 14.81 3886 + Normal
05/03/2026 03 AM PDT 14.81 3886 0 Normal
05/03/2026 04 AM PDT 14.80 3873 - Normal
05/03/2026 05 AM PDT 14.77 3833 - Normal
05/03/2026 06 AM PDT 14.77 3833 0 Normal
05/03/2026 07 AM PDT 14.75 3806 - Normal
05/03/2026 08 AM PDT 14.76 3820 + Normal
05/03/2026 09 AM PDT 14.75 3806 - Normal
05/03/2026 10 AM PDT 14.74 3793 - Normal
05/03/2026 11 AM PDT 14.76 3820 + Normal
05/03/2026 12 PM PDT 14.78 3846 + Normal
05/03/2026 01 PM PDT 14.77 3833 - Normal
05/03/2026 02 PM PDT 14.78 3846 + Normal
05/03/2026 03 PM PDT 14.79 3860 + Normal
05/03/2026 04 PM PDT 14.81 3886 + Normal
05/03/2026 05 PM PDT 14.79 3860 - Normal
05/03/2026 06 PM PDT 14.80 3873 + Normal
05/03/2026 07 PM PDT 14.81 3886 + Normal
05/03/2026 08 PM PDT 14.79 3860 - Normal
05/03/2026 09 PM PDT 14.78 3846 - Normal
05/03/2026 10 PM PDT 14.80 3873 + Normal
05/03/2026 11 PM PDT 14.78 3846 - Normal
05/04/2026 12 AM PDT 14.77 3833 - Normal
05/04/2026 01 AM PDT 14.76 3820 - Normal
05/04/2026 02 AM PDT 14.76 3820 0 Normal
05/04/2026 03 AM PDT 14.78 3846 + Normal
05/04/2026 04 AM PDT 14.79 3860 + Normal
05/04/2026 05 AM PDT 14.76 3820 - Normal
05/04/2026 06 AM PDT 14.77 3833 + Normal
05/04/2026 07 AM PDT 14.77 3833 0 Normal
05/04/2026 08 AM PDT 14.76 3820 - Normal
05/04/2026 09 AM PDT 14.76 3820 0 Normal
05/04/2026 10 AM PDT 14.76 3820 0 Normal
05/04/2026 11 AM PDT 14.76 3820 0 Normal
05/04/2026 12 PM PDT 14.76 3820 0 Normal
05/04/2026 01 PM PDT 14.78 3846 + Normal
05/04/2026 02 PM PDT 14.79 3860 + Normal
05/04/2026 03 PM PDT 14.81 3886 + Normal
05/04/2026 04 PM PDT 14.81 3886 0 Normal
05/04/2026 05 PM PDT 14.80 3873 - Normal
05/04/2026 06 PM PDT 14.82 3900 + Normal
05/04/2026 07 PM PDT 14.80 3873 - Normal
05/04/2026 08 PM PDT 14.81 3886 + Normal
05/04/2026 09 PM PDT 14.80 3873 - Normal
05/04/2026 10 PM PDT 14.80 3873 0 Normal
05/04/2026 11 PM PDT 14.76 3820 - Normal
05/05/2026 12 AM PDT 14.76 3820 0 Normal
05/05/2026 01 AM PDT 14.75 3806 - Normal
05/05/2026 02 AM PDT 14.74 3793 - Normal
05/05/2026 03 AM PDT 14.74 3793 0 Normal
05/05/2026 04 AM PDT 14.71 3753 - Normal
05/05/2026 05 AM PDT 14.71 3753 0 Normal
05/05/2026 06 AM PDT 14.70 3740 - Normal
05/05/2026 07 AM PDT 14.69 3727 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/05/2026 08 AM PDT 14.68 3714 Normal
05/05/2026 09 AM PDT 14.68 3714 0 Normal
05/05/2026 10 AM PDT 14.67 3701 - Normal
05/05/2026 11 AM PDT 14.66 3688 - Normal
05/05/2026 12 PM PDT 14.66 3688 0 Normal
05/05/2026 01 PM PDT 14.66 3688 0 Normal
05/05/2026 02 PM PDT 14.66 3688 0 Normal
05/05/2026 03 PM PDT 14.67 3701 + Normal
05/05/2026 04 PM PDT 14.68 3714 + Normal
05/05/2026 05 PM PDT 14.68 3714 0 Normal
05/05/2026 06 PM PDT 14.68 3714 0 Normal
05/05/2026 07 PM PDT 14.68 3714 0 Normal
05/05/2026 08 PM PDT 14.68 3714 0 Normal
05/05/2026 09 PM PDT 14.68 3714 0 Normal
05/05/2026 10 PM PDT 14.67 3701 - Normal
05/05/2026 11 PM PDT 14.67 3701 0 Normal
05/06/2026 12 AM PDT 14.67 3701 0 Normal
05/06/2026 01 AM PDT 14.66 3688 - Normal
05/06/2026 02 AM PDT 14.66 3688 0 Normal
05/06/2026 03 AM PDT 14.65 3674 - Normal
05/06/2026 04 AM PDT 14.64 3661 - Normal
05/06/2026 05 AM PDT 14.64 3661 0 Normal
05/06/2026 06 AM PDT 14.64 3661 0 Normal
05/06/2026 07 AM PDT 14.63 3648 - Normal
05/06/2026 08 AM PDT 14.63 3648 0 Normal
05/06/2026 09 AM PDT 14.62 3635 - Normal
05/06/2026 10 AM PDT 14.62 3635 0 Normal
05/06/2026 11 AM PDT 14.62 3635 0 Normal
05/06/2026 12 PM PDT 14.62 3635 0 Normal
05/06/2026 01 PM PDT 14.62 3635 0 Normal
05/06/2026 02 PM PDT 14.61 3622 - Normal
05/06/2026 03 PM PDT 14.61 3622 0 Normal
05/06/2026 04 PM PDT 14.61 3622 0 Normal
05/06/2026 05 PM PDT 14.61 3622 0 Normal
05/06/2026 06 PM PDT 14.61 3622 0 Normal
05/06/2026 07 PM PDT 14.60 3610 - Normal
05/06/2026 08 PM PDT 14.60 3610 0 Normal
05/06/2026 09 PM PDT 14.60 3610 0 Normal
05/06/2026 10 PM PDT 14.60 3610 0 Normal
05/06/2026 11 PM PDT 14.60 3610 0 Normal
05/07/2026 12 AM PDT 14.60 3610 0 Normal
05/07/2026 01 AM PDT 14.60 3610 0 Normal
05/07/2026 02 AM PDT 14.59 3597 - Normal
05/07/2026 03 AM PDT 14.59 3597 0 Normal
05/07/2026 04 AM PDT 14.59 3597 0 Normal
05/07/2026 05 AM PDT 14.59 3597 0 Normal
05/07/2026 06 AM PDT 14.59 3597 0 Normal
05/07/2026 07 AM PDT 14.59 3597 0 Normal
05/07/2026 08 AM PDT 14.59 3597 0 Normal
05/07/2026 09 AM PDT 14.58 3584 - Normal
05/07/2026 10 AM PDT 14.58 3584 0 Normal
05/07/2026 11 AM PDT 14.58 3584 0 Normal
05/07/2026 12 PM PDT 14.58 3584 0 Normal
05/07/2026 01 PM PDT 14.58 3584 0 Normal
05/07/2026 02 PM PDT 14.58 3584 0 Normal
05/07/2026 03 PM PDT 14.58 3584 0 Normal
05/07/2026 04 PM PDT 14.57 3571 - Normal
05/07/2026 05 PM PDT 14.57 3571 0 Normal
05/07/2026 06 PM PDT 14.57 3571 0 Normal
05/07/2026 07 PM PDT 14.57 3571 0 Normal
05/07/2026 08 PM PDT 14.57 3571 0 Normal
05/07/2026 09 PM PDT 14.57 3571 0 Normal
05/07/2026 10 PM PDT 14.57 3571 0 Normal
05/07/2026 11 PM PDT 14.57 3571 0 Normal
05/08/2026 12 AM PDT 14.56 3558 - Normal
05/08/2026 01 AM PDT 14.56 3558 0 Normal
05/08/2026 02 AM PDT 14.56 3558 0 Normal
05/08/2026 03 AM PDT 14.56 3558 0 Normal
05/08/2026 04 AM PDT 14.56 3558 0 Normal
05/08/2026 05 AM PDT 14.56 3558 0 Normal
05/08/2026 06 AM PDT 14.56 3558 0 Normal
05/08/2026 07 AM PDT 14.56 3558 0 Normal
05/08/2026 08 AM PDT 14.55 3545 - Normal
05/08/2026 09 AM PDT 14.55 3545 0 Normal
05/08/2026 10 AM PDT 14.55 3545 0 Normal
05/08/2026 11 AM PDT 14.55 3545 0 Normal
05/08/2026 12 PM PDT 14.55 3545 0 Normal
05/08/2026 01 PM PDT 14.55 3545 0 Normal
05/08/2026 02 PM PDT 14.55 3545 0 Normal
05/08/2026 03 PM PDT 14.55 3545 0 Normal
05/08/2026 04 PM PDT 14.54 3532 - Normal
05/08/2026 05 PM PDT 14.54 3532 0 Normal
05/08/2026 06 PM PDT 14.54 3532 0 Normal
05/08/2026 07 PM PDT 14.54 3532 0 Normal
05/08/2026 08 PM PDT 14.54 3532 0 Normal
05/08/2026 09 PM PDT 14.54 3532 0 Normal
05/08/2026 10 PM PDT 14.54 3532 0 Normal
05/08/2026 11 PM PDT 14.54 3532 0 Normal
05/09/2026 12 AM PDT 14.54 3532 0 Normal
05/09/2026 01 AM PDT 14.54 3532 0 Normal
05/09/2026 02 AM PDT 14.53 3520 - Normal
05/09/2026 03 AM PDT 14.53 3520 0 Normal
05/09/2026 04 AM PDT 14.53 3520 0 Normal
05/09/2026 05 AM PDT 14.53 3520 0 Normal
05/09/2026 06 AM PDT 14.53 3520 0 Normal
05/09/2026 07 AM PDT 14.53 3520 0 Normal
05/09/2026 08 AM PDT 14.53 3520 0 Normal
05/09/2026 09 AM PDT 14.53 3520 0 Normal
05/09/2026 10 AM PDT 14.53 3520 0 Normal
05/09/2026 11 AM PDT 14.52 3507 - Normal
05/09/2026 12 PM PDT 14.52 3507 0 Normal
05/09/2026 01 PM PDT 14.52 3507 0 Normal
05/09/2026 02 PM PDT 14.52 3507 0 Normal
05/09/2026 03 PM PDT 14.52 3507 0 Normal
05/09/2026 04 PM PDT 14.52 3507 0 Normal
05/09/2026 05 PM PDT 14.52 3507 0 Normal
05/09/2026 06 PM PDT 14.52 3507 0 Normal
05/09/2026 07 PM PDT 14.52 3507 0 Normal
05/09/2026 08 PM PDT 14.51 3494 - Normal
05/09/2026 09 PM PDT 14.51 3494 0 Normal
05/09/2026 10 PM PDT 14.51 3494 0 Normal
05/09/2026 11 PM PDT 14.51 3494 0 Normal
05/10/2026 12 AM PDT 14.51 3494 0 Normal
05/10/2026 01 AM PDT 14.51 3494 0 Normal
05/10/2026 02 AM PDT 14.51 3494 0 Normal
05/10/2026 03 AM PDT 14.51 3494 0 Normal
05/10/2026 04 AM PDT 14.51 3494 0 Normal
05/10/2026 05 AM PDT 14.51 3494 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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