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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: | Mar 12 2026 at 12:42 PM PDT | Next Issuance: | Mar 13 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: 03/12/2026 at 12:42 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/07/2026 at 11:00 AM PST
# Maximum Observed Stage: 16.13 Feet
# Maximum Observed Flow: 5872 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/12/2026 at 01:00 PM PDT
# Maximum Forecast Stage: 15.13 Feet
# Maximum Forecast Flow: 4329 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/07/2026 11 AM PST 16.13 5872 Normal
03/07/2026 12 PM PST 16.10 5823 - Normal
03/07/2026 01 PM PST 16.10 5823 0 Normal
03/07/2026 02 PM PST 16.08 5790 - Normal
03/07/2026 03 PM PST 16.06 5758 - Normal
03/07/2026 04 PM PST 16.05 5742 - Normal
03/07/2026 05 PM PST 16.05 5742 0 Normal
03/07/2026 06 PM PST 16.04 5726 - Normal
03/07/2026 07 PM PST 16.01 5677 - Normal
03/07/2026 08 PM PST 16.03 5710 + Normal
03/07/2026 09 PM PST 16.02 5694 - Normal
03/07/2026 10 PM PST 16.01 5677 - Normal
03/07/2026 11 PM PST 15.99 5644 - Normal
03/08/2026 12 AM PST 16.00 5661 + Normal
03/08/2026 01 AM PST 15.96 5595 - Normal
03/08/2026 03 AM PDT 15.96 5595 0 Normal
03/08/2026 04 AM PDT 15.96 5595 0 Normal
03/08/2026 05 AM PDT 15.95 5579 - Normal
03/08/2026 06 AM PDT 15.94 5563 - Normal
03/08/2026 07 AM PDT 15.91 5514 - Normal
03/08/2026 08 AM PDT 15.93 5547 + Normal
03/08/2026 09 AM PDT 15.91 5514 - Normal
03/08/2026 10 AM PDT 15.90 5498 - Normal
03/08/2026 11 AM PDT 15.89 5482 - Normal
03/08/2026 12 PM PDT 15.88 5466 - Normal
03/08/2026 01 PM PDT 15.88 5466 0 Normal
03/08/2026 02 PM PDT 15.86 5434 - Normal
03/08/2026 03 PM PDT 15.86 5434 0 Normal
03/08/2026 04 PM PDT 15.87 5450 + Normal
03/08/2026 05 PM PDT 15.86 5434 - Normal
03/08/2026 06 PM PDT 15.84 5402 - Normal
03/08/2026 07 PM PDT 15.85 5418 + Normal
03/08/2026 08 PM PDT 15.82 5370 - Normal
03/08/2026 09 PM PDT 15.82 5370 0 Normal
03/08/2026 10 PM PDT 15.81 5354 - Normal
03/08/2026 11 PM PDT 15.81 5354 0 Normal
03/09/2026 12 AM PDT 15.79 5322 - Normal
03/09/2026 01 AM PDT 15.80 5338 + Normal
03/09/2026 02 AM PDT 15.78 5306 - Normal
03/09/2026 03 AM PDT 15.77 5290 - Normal
03/09/2026 04 AM PDT 15.75 5259 - Normal
03/09/2026 05 AM PDT 15.75 5259 0 Normal
03/09/2026 06 AM PDT 15.76 5275 + Normal
03/09/2026 07 AM PDT 15.74 5243 - Normal
03/09/2026 08 AM PDT 15.73 5227 - Normal
03/09/2026 09 AM PDT 15.71 5196 - Normal
03/09/2026 10 AM PDT 15.73 5227 + Normal
03/09/2026 11 AM PDT 15.72 5212 - Normal
03/09/2026 12 PM PDT 15.70 5180 - Normal
03/09/2026 01 PM PDT 15.70 5180 0 Normal
03/09/2026 02 PM PDT 15.69 5165 - Normal
03/09/2026 03 PM PDT 15.70 5180 + Normal
03/09/2026 04 PM PDT 15.69 5165 - Normal
03/09/2026 05 PM PDT 15.66 5118 - Normal
03/09/2026 06 PM PDT 15.67 5134 + Normal
03/09/2026 07 PM PDT 15.66 5118 - Normal
03/09/2026 08 PM PDT 15.64 5087 - Normal
03/09/2026 09 PM PDT 15.65 5102 + Normal
03/09/2026 10 PM PDT 15.65 5102 0 Normal
03/09/2026 11 PM PDT 15.62 5056 - Normal
03/10/2026 12 AM PDT 15.61 5041 - Normal
03/10/2026 01 AM PDT 15.60 5025 - Normal
03/10/2026 02 AM PDT 15.61 5041 + Normal
03/10/2026 03 AM PDT 15.61 5041 0 Normal
03/10/2026 04 AM PDT 15.59 5010 - Normal
03/10/2026 05 AM PDT 15.58 4994 - Normal
03/10/2026 06 AM PDT 15.57 4979 - Normal
03/10/2026 07 AM PDT 15.55 4949 - Normal
03/10/2026 08 AM PDT 15.56 4964 + Normal
03/10/2026 09 AM PDT 15.54 4933 - Normal
03/10/2026 10 AM PDT 15.54 4933 0 Normal
03/10/2026 11 AM PDT 15.54 4933 0 Normal
03/10/2026 12 PM PDT 15.53 4918 - Normal
03/10/2026 01 PM PDT 15.52 4903 - Normal
03/10/2026 02 PM PDT 15.51 4888 - Normal
03/10/2026 03 PM PDT 15.49 4857 - Normal
03/10/2026 04 PM PDT 15.49 4857 0 Normal
03/10/2026 05 PM PDT 15.47 4827 - Normal
03/10/2026 06 PM PDT 15.47 4827 0 Normal
03/10/2026 07 PM PDT 15.45 4797 - Normal
03/10/2026 08 PM PDT 15.44 4782 - Normal
03/10/2026 09 PM PDT 15.45 4797 + Normal
03/10/2026 10 PM PDT 15.43 4767 - Normal
03/10/2026 11 PM PDT 15.42 4752 - Normal
03/11/2026 12 AM PDT 15.41 4737 - Normal
03/11/2026 01 AM PDT 15.40 4722 - Normal
03/11/2026 02 AM PDT 15.41 4737 + Normal
03/11/2026 03 AM PDT 15.40 4722 - Normal
03/11/2026 04 AM PDT 15.37 4678 - Normal
03/11/2026 05 AM PDT 15.37 4678 0 Normal
03/11/2026 06 AM PDT 15.36 4663 - Normal
03/11/2026 07 AM PDT 15.36 4663 0 Normal
03/11/2026 08 AM PDT 15.35 4648 - Normal
03/11/2026 09 AM PDT 15.34 4633 - Normal
03/11/2026 10 AM PDT 15.33 4619 - Normal
03/11/2026 11 AM PDT 15.31 4589 - Normal
03/11/2026 12 PM PDT 15.32 4604 + Normal
03/11/2026 01 PM PDT 15.31 4589 - Normal
03/11/2026 02 PM PDT 15.30 4575 - Normal
03/11/2026 03 PM PDT 15.29 4560 - Normal
03/11/2026 04 PM PDT 15.28 4545 - Normal
03/11/2026 05 PM PDT 15.27 4531 - Normal
03/11/2026 06 PM PDT 15.27 4531 0 Normal
03/11/2026 07 PM PDT 15.25 4502 - Normal
03/11/2026 08 PM PDT 15.25 4502 0 Normal
03/11/2026 09 PM PDT 15.23 4473 - Normal
03/11/2026 10 PM PDT 15.24 4487 + Normal
03/11/2026 11 PM PDT 15.21 4444 - Normal
03/12/2026 12 AM PDT 15.21 4444 0 Normal
03/12/2026 01 AM PDT 15.22 4458 + Normal
03/12/2026 02 AM PDT 15.20 4429 - Normal
03/12/2026 03 AM PDT 15.18 4401 - Normal
03/12/2026 04 AM PDT 15.18 4401 0 Normal
03/12/2026 05 AM PDT 15.20 4429 + Normal
03/12/2026 06 AM PDT 15.19 4415 - Normal
03/12/2026 07 AM PDT 15.19 4415 0 Normal
03/12/2026 08 AM PDT 15.16 4372 - Normal
03/12/2026 09 AM PDT 15.16 4372 0 Normal
03/12/2026 10 AM PDT 15.15 4358 - Normal
03/12/2026 11 AM PDT 15.16 4372 + Normal
03/12/2026 12 PM PDT 15.14 4343 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/12/2026 01 PM PDT 15.13 4329 Normal
03/12/2026 02 PM PDT 15.13 4329 0 Normal
03/12/2026 03 PM PDT 15.12 4315 - Normal
03/12/2026 04 PM PDT 15.12 4315 0 Normal
03/12/2026 05 PM PDT 15.11 4301 - Normal
03/12/2026 06 PM PDT 15.10 4287 - Normal
03/12/2026 07 PM PDT 15.09 4272 - Normal
03/12/2026 08 PM PDT 15.09 4272 0 Normal
03/12/2026 09 PM PDT 15.09 4272 0 Normal
03/12/2026 10 PM PDT 15.08 4258 - Normal
03/12/2026 11 PM PDT 15.07 4244 - Normal
03/13/2026 12 AM PDT 15.07 4244 0 Normal
03/13/2026 01 AM PDT 15.06 4230 - Normal
03/13/2026 02 AM PDT 15.06 4230 0 Normal
03/13/2026 03 AM PDT 15.05 4216 - Normal
03/13/2026 04 AM PDT 15.05 4216 0 Normal
03/13/2026 05 AM PDT 15.04 4202 - Normal
03/13/2026 06 AM PDT 15.04 4202 0 Normal
03/13/2026 07 AM PDT 15.03 4188 - Normal
03/13/2026 08 AM PDT 15.03 4188 0 Normal
03/13/2026 09 AM PDT 15.02 4174 - Normal
03/13/2026 10 AM PDT 15.02 4174 0 Normal
03/13/2026 11 AM PDT 15.01 4160 - Normal
03/13/2026 12 PM PDT 15.01 4160 0 Normal
03/13/2026 01 PM PDT 15.00 4146 - Normal
03/13/2026 02 PM PDT 15.00 4146 0 Normal
03/13/2026 03 PM PDT 14.99 4132 - Normal
03/13/2026 04 PM PDT 14.99 4132 0 Normal
03/13/2026 05 PM PDT 14.98 4118 - Normal
03/13/2026 06 PM PDT 14.98 4118 0 Normal
03/13/2026 07 PM PDT 14.97 4105 - Normal
03/13/2026 08 PM PDT 14.97 4105 0 Normal
03/13/2026 09 PM PDT 14.96 4091 - Normal
03/13/2026 10 PM PDT 14.96 4091 0 Normal
03/13/2026 11 PM PDT 14.95 4077 - Normal
03/14/2026 12 AM PDT 14.95 4077 0 Normal
03/14/2026 01 AM PDT 14.94 4063 - Normal
03/14/2026 02 AM PDT 14.94 4063 0 Normal
03/14/2026 03 AM PDT 14.93 4049 - Normal
03/14/2026 04 AM PDT 14.93 4049 0 Normal
03/14/2026 05 AM PDT 14.92 4036 - Normal
03/14/2026 06 AM PDT 14.92 4036 0 Normal
03/14/2026 07 AM PDT 14.91 4022 - Normal
03/14/2026 08 AM PDT 14.91 4022 0 Normal
03/14/2026 09 AM PDT 14.90 4008 - Normal
03/14/2026 10 AM PDT 14.89 3995 - Normal
03/14/2026 11 AM PDT 14.89 3995 0 Normal
03/14/2026 12 PM PDT 14.88 3981 - Normal
03/14/2026 01 PM PDT 14.88 3981 0 Normal
03/14/2026 02 PM PDT 14.88 3981 0 Normal
03/14/2026 03 PM PDT 14.87 3968 - Normal
03/14/2026 04 PM PDT 14.87 3968 0 Normal
03/14/2026 05 PM PDT 14.86 3954 - Normal
03/14/2026 06 PM PDT 14.86 3954 0 Normal
03/14/2026 07 PM PDT 14.85 3940 - Normal
03/14/2026 08 PM PDT 14.85 3940 0 Normal
03/14/2026 09 PM PDT 14.84 3927 - Normal
03/14/2026 10 PM PDT 14.84 3927 0 Normal
03/14/2026 11 PM PDT 14.83 3913 - Normal
03/15/2026 12 AM PDT 14.83 3913 0 Normal
03/15/2026 01 AM PDT 14.82 3900 - Normal
03/15/2026 02 AM PDT 14.82 3900 0 Normal
03/15/2026 03 AM PDT 14.81 3886 - Normal
03/15/2026 04 AM PDT 14.81 3886 0 Normal
03/15/2026 05 AM PDT 14.80 3873 - Normal
03/15/2026 06 AM PDT 14.80 3873 0 Normal
03/15/2026 07 AM PDT 14.79 3860 - Normal
03/15/2026 08 AM PDT 14.79 3860 0 Normal
03/15/2026 09 AM PDT 14.78 3846 - Normal
03/15/2026 10 AM PDT 14.78 3846 0 Normal
03/15/2026 11 AM PDT 14.78 3846 0 Normal
03/15/2026 12 PM PDT 14.77 3833 - Normal
03/15/2026 01 PM PDT 14.77 3833 0 Normal
03/15/2026 02 PM PDT 14.76 3820 - Normal
03/15/2026 03 PM PDT 14.76 3820 0 Normal
03/15/2026 04 PM PDT 14.75 3806 - Normal
03/15/2026 05 PM PDT 14.75 3806 0 Normal
03/15/2026 06 PM PDT 14.74 3793 - Normal
03/15/2026 07 PM PDT 14.74 3793 0 Normal
03/15/2026 08 PM PDT 14.73 3780 - Normal
03/15/2026 09 PM PDT 14.73 3780 0 Normal
03/15/2026 10 PM PDT 14.72 3766 - Normal
03/15/2026 11 PM PDT 14.72 3766 0 Normal
03/16/2026 12 AM PDT 14.72 3766 0 Normal
03/16/2026 01 AM PDT 14.71 3753 - Normal
03/16/2026 02 AM PDT 14.71 3753 0 Normal
03/16/2026 03 AM PDT 14.70 3740 - Normal
03/16/2026 04 AM PDT 14.70 3740 0 Normal
03/16/2026 05 AM PDT 14.70 3740 0 Normal
03/16/2026 06 AM PDT 14.69 3727 - Normal
03/16/2026 07 AM PDT 14.69 3727 0 Normal
03/16/2026 08 AM PDT 14.68 3714 - Normal
03/16/2026 09 AM PDT 14.68 3714 0 Normal
03/16/2026 10 AM PDT 14.67 3701 - Normal
03/16/2026 11 AM PDT 14.67 3701 0 Normal
03/16/2026 12 PM PDT 14.66 3688 - Normal
03/16/2026 01 PM PDT 14.66 3688 0 Normal
03/16/2026 02 PM PDT 14.66 3688 0 Normal
03/16/2026 03 PM PDT 14.65 3674 - Normal
03/16/2026 04 PM PDT 14.65 3674 0 Normal
03/16/2026 05 PM PDT 14.64 3661 - Normal
03/16/2026 06 PM PDT 14.64 3661 0 Normal
03/16/2026 07 PM PDT 14.64 3661 0 Normal
03/16/2026 08 PM PDT 14.63 3648 - Normal
03/16/2026 09 PM PDT 14.63 3648 0 Normal
03/16/2026 10 PM PDT 14.63 3648 0 Normal
03/16/2026 11 PM PDT 14.62 3635 - Normal
03/17/2026 12 AM PDT 14.62 3635 0 Normal
03/17/2026 01 AM PDT 14.61 3622 - Normal
03/17/2026 02 AM PDT 14.61 3622 0 Normal
03/17/2026 03 AM PDT 14.61 3622 0 Normal
03/17/2026 04 AM PDT 14.60 3610 - Normal
03/17/2026 05 AM PDT 14.60 3610 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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