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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 02 2026 at 8:44 AM PDT | Next Issuance: | May 03 2026 at 9:00 AM PDT
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| 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: 05/02/2026 at 08:44 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/27/2026 at 08:00 AM PDT
# Maximum Observed Stage: 15.52 Feet
# Maximum Observed Flow: 4903 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/02/2026 at 09:00 AM PDT
# Maximum Forecast Stage: 14.82 Feet
# Maximum Forecast Flow: 3900 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/27/2026 08 AM PDT 15.52 4903 Normal
04/27/2026 09 AM PDT 15.50 4872 - Normal
04/27/2026 10 AM PDT 15.49 4857 - Normal
04/27/2026 11 AM PDT 15.50 4872 + Normal
04/27/2026 12 PM PDT 15.48 4842 - Normal
04/27/2026 01 PM PDT 15.47 4827 - Normal
04/27/2026 02 PM PDT 15.44 4782 - Normal
04/27/2026 03 PM PDT 15.42 4752 - Normal
04/27/2026 04 PM PDT 15.40 4722 - Normal
04/27/2026 05 PM PDT 15.36 4663 - Normal
04/27/2026 06 PM PDT 15.37 4678 + Normal
04/27/2026 07 PM PDT 15.35 4648 - Normal
04/27/2026 08 PM PDT 15.32 4604 - Normal
04/27/2026 09 PM PDT 15.29 4560 - Normal
04/27/2026 10 PM PDT 15.28 4545 - Normal
04/27/2026 11 PM PDT 15.25 4502 - Normal
04/28/2026 12 AM PDT 15.24 4487 - Normal
04/28/2026 01 AM PDT 15.22 4458 - Normal
04/28/2026 02 AM PDT 15.19 4415 - Normal
04/28/2026 03 AM PDT 15.18 4401 - Normal
04/28/2026 04 AM PDT 15.19 4415 + Normal
04/28/2026 05 AM PDT 15.17 4386 - Normal
04/28/2026 06 AM PDT 15.15 4358 - Normal
04/28/2026 07 AM PDT 15.15 4358 0 Normal
04/28/2026 08 AM PDT 15.16 4372 + Normal
04/28/2026 09 AM PDT 15.14 4343 - Normal
04/28/2026 10 AM PDT 15.13 4329 - Normal
04/28/2026 11 AM PDT 15.11 4301 - Normal
04/28/2026 12 PM PDT 15.12 4315 + Normal
04/28/2026 01 PM PDT 15.13 4329 + Normal
04/28/2026 02 PM PDT 15.10 4287 - Normal
04/28/2026 03 PM PDT 15.12 4315 + Normal
04/28/2026 04 PM PDT 15.12 4315 0 Normal
04/28/2026 05 PM PDT 15.11 4301 - Normal
04/28/2026 06 PM PDT 15.08 4258 - Normal
04/28/2026 07 PM PDT 15.08 4258 0 Normal
04/28/2026 08 PM PDT 15.09 4272 + Normal
04/28/2026 09 PM PDT 15.11 4301 + Normal
04/28/2026 10 PM PDT 15.10 4287 - Normal
04/28/2026 11 PM PDT 15.11 4301 + Normal
04/29/2026 12 AM PDT 15.09 4272 - Normal
04/29/2026 01 AM PDT 15.10 4287 + Normal
04/29/2026 02 AM PDT 15.08 4258 - Normal
04/29/2026 03 AM PDT 15.06 4230 - Normal
04/29/2026 04 AM PDT 15.07 4244 + Normal
04/29/2026 05 AM PDT 15.05 4216 - Normal
04/29/2026 06 AM PDT 15.05 4216 0 Normal
04/29/2026 07 AM PDT 15.04 4202 - Normal
04/29/2026 08 AM PDT 15.05 4216 + Normal
04/29/2026 09 AM PDT 15.04 4202 - Normal
04/29/2026 10 AM PDT 15.03 4188 - Normal
04/29/2026 11 AM PDT 15.03 4188 0 Normal
04/29/2026 12 PM PDT 15.03 4188 0 Normal
04/29/2026 01 PM PDT 15.03 4188 0 Normal
04/29/2026 02 PM PDT 15.02 4174 - Normal
04/29/2026 03 PM PDT 15.02 4174 0 Normal
04/29/2026 04 PM PDT 15.03 4188 + Normal
04/29/2026 05 PM PDT 15.03 4188 0 Normal
04/29/2026 06 PM PDT 15.00 4146 - Normal
04/29/2026 07 PM PDT 14.99 4132 - Normal
04/29/2026 08 PM PDT 14.99 4132 0 Normal
04/29/2026 09 PM PDT 14.99 4132 0 Normal
04/29/2026 10 PM PDT 14.97 4105 - Normal
04/29/2026 11 PM PDT 14.98 4118 + Normal
04/30/2026 12 AM PDT 14.98 4118 0 Normal
04/30/2026 01 AM PDT 14.96 4091 - Normal
04/30/2026 02 AM PDT 14.97 4105 + Normal
04/30/2026 03 AM PDT 14.96 4091 - Normal
04/30/2026 04 AM PDT 14.94 4063 - Normal
04/30/2026 05 AM PDT 14.94 4063 0 Normal
04/30/2026 06 AM PDT 14.95 4077 + Normal
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
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/02/2026 09 AM PDT 14.82 3900 Normal
05/02/2026 10 AM PDT 14.81 3886 - Normal
05/02/2026 11 AM PDT 14.81 3886 0 Normal
05/02/2026 12 PM PDT 14.81 3886 0 Normal
05/02/2026 01 PM PDT 14.81 3886 0 Normal
05/02/2026 02 PM PDT 14.81 3886 0 Normal
05/02/2026 03 PM PDT 14.82 3900 + Normal
05/02/2026 04 PM PDT 14.82 3900 0 Normal
05/02/2026 05 PM PDT 14.82 3900 0 Normal
05/02/2026 06 PM PDT 14.82 3900 0 Normal
05/02/2026 07 PM PDT 14.81 3886 - Normal
05/02/2026 08 PM PDT 14.81 3886 0 Normal
05/02/2026 09 PM PDT 14.80 3873 - Normal
05/02/2026 10 PM PDT 14.79 3860 - Normal
05/02/2026 11 PM PDT 14.79 3860 0 Normal
05/03/2026 12 AM PDT 14.78 3846 - Normal
05/03/2026 01 AM PDT 14.77 3833 - Normal
05/03/2026 02 AM PDT 14.77 3833 0 Normal
05/03/2026 03 AM PDT 14.76 3820 - Normal
05/03/2026 04 AM PDT 14.75 3806 - Normal
05/03/2026 05 AM PDT 14.75 3806 0 Normal
05/03/2026 06 AM PDT 14.74 3793 - Normal
05/03/2026 07 AM PDT 14.74 3793 0 Normal
05/03/2026 08 AM PDT 14.73 3780 - Normal
05/03/2026 09 AM PDT 14.73 3780 0 Normal
05/03/2026 10 AM PDT 14.73 3780 0 Normal
05/03/2026 11 AM PDT 14.72 3766 - Normal
05/03/2026 12 PM PDT 14.72 3766 0 Normal
05/03/2026 01 PM PDT 14.72 3766 0 Normal
05/03/2026 02 PM PDT 14.72 3766 0 Normal
05/03/2026 03 PM PDT 14.71 3753 - Normal
05/03/2026 04 PM PDT 14.71 3753 0 Normal
05/03/2026 05 PM PDT 14.71 3753 0 Normal
05/03/2026 06 PM PDT 14.71 3753 0 Normal
05/03/2026 07 PM PDT 14.71 3753 0 Normal
05/03/2026 08 PM PDT 14.70 3740 - Normal
05/03/2026 09 PM PDT 14.70 3740 0 Normal
05/03/2026 10 PM PDT 14.70 3740 0 Normal
05/03/2026 11 PM PDT 14.70 3740 0 Normal
05/04/2026 12 AM PDT 14.70 3740 0 Normal
05/04/2026 01 AM PDT 14.70 3740 0 Normal
05/04/2026 02 AM PDT 14.70 3740 0 Normal
05/04/2026 03 AM PDT 14.70 3740 0 Normal
05/04/2026 04 AM PDT 14.69 3727 - Normal
05/04/2026 05 AM PDT 14.69 3727 0 Normal
05/04/2026 06 AM PDT 14.69 3727 0 Normal
05/04/2026 07 AM PDT 14.70 3740 + Normal
05/04/2026 08 AM PDT 14.70 3740 0 Normal
05/04/2026 09 AM PDT 14.70 3740 0 Normal
05/04/2026 10 AM PDT 14.70 3740 0 Normal
05/04/2026 11 AM PDT 14.70 3740 0 Normal
05/04/2026 12 PM PDT 14.70 3740 0 Normal
05/04/2026 01 PM PDT 14.70 3740 0 Normal
05/04/2026 02 PM PDT 14.70 3740 0 Normal
05/04/2026 03 PM PDT 14.71 3753 + Normal
05/04/2026 04 PM PDT 14.71 3753 0 Normal
05/04/2026 05 PM PDT 14.71 3753 0 Normal
05/04/2026 06 PM PDT 14.71 3753 0 Normal
05/04/2026 07 PM PDT 14.71 3753 0 Normal
05/04/2026 08 PM PDT 14.71 3753 0 Normal
05/04/2026 09 PM PDT 14.71 3753 0 Normal
05/04/2026 10 PM PDT 14.71 3753 0 Normal
05/04/2026 11 PM PDT 14.71 3753 0 Normal
05/05/2026 12 AM PDT 14.71 3753 0 Normal
05/05/2026 01 AM PDT 14.71 3753 0 Normal
05/05/2026 02 AM PDT 14.71 3753 0 Normal
05/05/2026 03 AM PDT 14.71 3753 0 Normal
05/05/2026 04 AM PDT 14.72 3766 + Normal
05/05/2026 05 AM PDT 14.72 3766 0 Normal
05/05/2026 06 AM PDT 14.72 3766 0 Normal
05/05/2026 07 AM PDT 14.72 3766 0 Normal
05/05/2026 08 AM PDT 14.72 3766 0 Normal
05/05/2026 09 AM PDT 14.72 3766 0 Normal
05/05/2026 10 AM PDT 14.72 3766 0 Normal
05/05/2026 11 AM PDT 14.72 3766 0 Normal
05/05/2026 12 PM PDT 14.72 3766 0 Normal
05/05/2026 01 PM PDT 14.72 3766 0 Normal
05/05/2026 02 PM PDT 14.72 3766 0 Normal
05/05/2026 03 PM PDT 14.72 3766 0 Normal
05/05/2026 04 PM PDT 14.72 3766 0 Normal
05/05/2026 05 PM PDT 14.72 3766 0 Normal
05/05/2026 06 PM PDT 14.71 3753 - Normal
05/05/2026 07 PM PDT 14.71 3753 0 Normal
05/05/2026 08 PM PDT 14.71 3753 0 Normal
05/05/2026 09 PM PDT 14.71 3753 0 Normal
05/05/2026 10 PM PDT 14.70 3740 - Normal
05/05/2026 11 PM PDT 14.70 3740 0 Normal
05/06/2026 12 AM PDT 14.69 3727 - Normal
05/06/2026 01 AM PDT 14.69 3727 0 Normal
05/06/2026 02 AM PDT 14.68 3714 - Normal
05/06/2026 03 AM PDT 14.68 3714 0 Normal
05/06/2026 04 AM PDT 14.67 3701 - Normal
05/06/2026 05 AM PDT 14.66 3688 - Normal
05/06/2026 06 AM PDT 14.66 3688 0 Normal
05/06/2026 07 AM PDT 14.65 3674 - Normal
05/06/2026 08 AM PDT 14.65 3674 0 Normal
05/06/2026 09 AM PDT 14.64 3661 - Normal
05/06/2026 10 AM PDT 14.64 3661 0 Normal
05/06/2026 11 AM PDT 14.64 3661 0 Normal
05/06/2026 12 PM PDT 14.63 3648 - Normal
05/06/2026 01 PM PDT 14.63 3648 0 Normal
05/06/2026 02 PM PDT 14.63 3648 0 Normal
05/06/2026 03 PM PDT 14.62 3635 - Normal
05/06/2026 04 PM PDT 14.62 3635 0 Normal
05/06/2026 05 PM PDT 14.62 3635 0 Normal
05/06/2026 06 PM PDT 14.61 3622 - Normal
05/06/2026 07 PM PDT 14.61 3622 0 Normal
05/06/2026 08 PM PDT 14.61 3622 0 Normal
05/06/2026 09 PM PDT 14.61 3622 0 Normal
05/06/2026 10 PM PDT 14.60 3610 - 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 14.59 3597 - Normal
05/07/2026 02 AM PDT 14.59 3597 0 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
#
# 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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