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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 09 2026 at 12:34 PM PDT | Next Issuance: | Mar 10 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: 03/09/2026 at 12:34 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/04/2026 at 11:00 AM PST
# Maximum Observed Stage: 17.14 Feet
# Maximum Observed Flow: 7645 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/09/2026 at 01:00 PM PDT
# Maximum Forecast Stage: 15.70 Feet
# Maximum Forecast Flow: 5180 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/04/2026 11 AM PST 17.14 7645 Normal
03/04/2026 12 PM PST 17.11 7588 - Normal
03/04/2026 01 PM PST 17.10 7568 - Normal
03/04/2026 02 PM PST 17.10 7568 0 Normal
03/04/2026 03 PM PST 17.09 7549 - Normal
03/04/2026 04 PM PST 17.09 7549 0 Normal
03/04/2026 05 PM PST 17.08 7530 - Normal
03/04/2026 06 PM PST 17.10 7568 + Normal
03/04/2026 07 PM PST 17.08 7530 - Normal
03/04/2026 08 PM PST 17.05 7473 - Normal
03/04/2026 09 PM PST 17.04 7454 - Normal
03/04/2026 10 PM PST 17.02 7416 - Normal
03/04/2026 11 PM PST 17.02 7416 0 Normal
03/05/2026 12 AM PST 17.01 7397 - Normal
03/05/2026 01 AM PST 16.98 7340 - Normal
03/05/2026 02 AM PST 16.95 7284 - Normal
03/05/2026 03 AM PST 16.95 7284 0 Normal
03/05/2026 04 AM PST 16.92 7229 - Normal
03/05/2026 05 AM PST 16.89 7175 - Normal
03/05/2026 06 AM PST 16.88 7157 - Normal
03/05/2026 07 AM PST 16.84 7085 - Normal
03/05/2026 08 AM PST 16.85 7103 + Normal
03/05/2026 09 AM PST 16.83 7067 - Normal
03/05/2026 10 AM PST 16.81 7031 - Normal
03/05/2026 11 AM PST 16.79 6996 - Normal
03/05/2026 12 PM PST 16.77 6960 - Normal
03/05/2026 01 PM PST 16.72 6872 - Normal
03/05/2026 02 PM PST 16.71 6854 - Normal
03/05/2026 03 PM PST 16.70 6836 - Normal
03/05/2026 04 PM PST 16.66 6766 - Normal
03/05/2026 05 PM PST 16.65 6749 - Normal
03/05/2026 06 PM PST 16.63 6714 - Normal
03/05/2026 07 PM PST 16.63 6714 0 Normal
03/05/2026 08 PM PST 16.62 6696 - Normal
03/05/2026 09 PM PST 16.60 6662 - Normal
03/05/2026 10 PM PST 16.58 6627 - Normal
03/05/2026 11 PM PST 16.56 6592 - Normal
03/06/2026 12 AM PST 16.55 6575 - Normal
03/06/2026 01 AM PST 16.53 6541 - Normal
03/06/2026 02 AM PST 16.51 6506 - Normal
03/06/2026 03 AM PST 16.51 6506 0 Normal
03/06/2026 04 AM PST 16.48 6455 - Normal
03/06/2026 05 AM PST 16.47 6438 - Normal
03/06/2026 06 AM PST 16.46 6421 - Normal
03/06/2026 07 AM PST 16.46 6421 0 Normal
03/06/2026 08 AM PST 16.45 6404 - Normal
03/06/2026 09 AM PST 16.43 6370 - Normal
03/06/2026 10 AM PST 16.41 6336 - Normal
03/06/2026 11 AM PST 16.40 6319 - Normal
03/06/2026 12 PM PST 16.38 6285 - Normal
03/06/2026 01 PM PST 16.36 6252 - Normal
03/06/2026 02 PM PST 16.35 6235 - Normal
03/06/2026 03 PM PST 16.34 6218 - Normal
03/06/2026 04 PM PST 16.33 6201 - Normal
03/06/2026 05 PM PST 16.32 6185 - Normal
03/06/2026 06 PM PST 16.29 6135 - Normal
03/06/2026 07 PM PST 16.30 6151 + Normal
03/06/2026 08 PM PST 16.30 6151 0 Normal
03/06/2026 09 PM PST 16.27 6101 - Normal
03/06/2026 10 PM PST 16.26 6085 - Normal
03/06/2026 11 PM PST 16.25 6068 - Normal
03/07/2026 12 AM PST 16.24 6052 - Normal
03/07/2026 01 AM PST 16.23 6035 - Normal
03/07/2026 02 AM PST 16.22 6019 - Normal
03/07/2026 03 AM PST 16.21 6002 - Normal
03/07/2026 04 AM PST 16.18 5953 - Normal
03/07/2026 05 AM PST 16.18 5953 0 Normal
03/07/2026 06 AM PST 16.17 5937 - Normal
03/07/2026 07 AM PST 16.17 5937 0 Normal
03/07/2026 08 AM PST 16.15 5904 - Normal
03/07/2026 09 AM PST 16.13 5872 - Normal
03/07/2026 10 AM PST 16.12 5855 - Normal
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 15.71 5196 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/09/2026 01 PM PDT 15.70 5180 Normal
03/09/2026 02 PM PDT 15.70 5180 0 Normal
03/09/2026 03 PM PDT 15.69 5165 - Normal
03/09/2026 04 PM PDT 15.69 5165 0 Normal
03/09/2026 05 PM PDT 15.68 5149 - Normal
03/09/2026 06 PM PDT 15.68 5149 0 Normal
03/09/2026 07 PM PDT 15.68 5149 0 Normal
03/09/2026 08 PM PDT 15.67 5134 - Normal
03/09/2026 09 PM PDT 15.67 5134 0 Normal
03/09/2026 10 PM PDT 15.66 5118 - Normal
03/09/2026 11 PM PDT 15.65 5102 - Normal
03/10/2026 12 AM PDT 15.64 5087 - Normal
03/10/2026 01 AM PDT 15.63 5071 - Normal
03/10/2026 02 AM PDT 15.63 5071 0 Normal
03/10/2026 03 AM PDT 15.62 5056 - Normal
03/10/2026 04 AM PDT 15.61 5041 - Normal
03/10/2026 05 AM PDT 15.60 5025 - Normal
03/10/2026 06 AM PDT 15.59 5010 - Normal
03/10/2026 07 AM PDT 15.58 4994 - Normal
03/10/2026 08 AM PDT 15.57 4979 - Normal
03/10/2026 09 AM PDT 15.56 4964 - Normal
03/10/2026 10 AM PDT 15.56 4964 0 Normal
03/10/2026 11 AM PDT 15.55 4949 - Normal
03/10/2026 12 PM PDT 15.54 4933 - Normal
03/10/2026 01 PM PDT 15.53 4918 - Normal
03/10/2026 02 PM PDT 15.52 4903 - Normal
03/10/2026 03 PM PDT 15.51 4888 - Normal
03/10/2026 04 PM PDT 15.51 4888 0 Normal
03/10/2026 05 PM PDT 15.50 4872 - Normal
03/10/2026 06 PM PDT 15.49 4857 - Normal
03/10/2026 07 PM PDT 15.48 4842 - Normal
03/10/2026 08 PM PDT 15.47 4827 - Normal
03/10/2026 09 PM PDT 15.46 4812 - Normal
03/10/2026 10 PM PDT 15.45 4797 - Normal
03/10/2026 11 PM PDT 15.44 4782 - Normal
03/11/2026 12 AM PDT 15.43 4767 - Normal
03/11/2026 01 AM PDT 15.42 4752 - Normal
03/11/2026 02 AM PDT 15.41 4737 - Normal
03/11/2026 03 AM PDT 15.41 4737 0 Normal
03/11/2026 04 AM PDT 15.40 4722 - Normal
03/11/2026 05 AM PDT 15.39 4707 - Normal
03/11/2026 06 AM PDT 15.38 4693 - Normal
03/11/2026 07 AM PDT 15.37 4678 - Normal
03/11/2026 08 AM PDT 15.36 4663 - Normal
03/11/2026 09 AM PDT 15.35 4648 - Normal
03/11/2026 10 AM PDT 15.35 4648 0 Normal
03/11/2026 11 AM PDT 15.34 4633 - Normal
03/11/2026 12 PM PDT 15.33 4619 - Normal
03/11/2026 01 PM PDT 15.32 4604 - Normal
03/11/2026 02 PM PDT 15.31 4589 - Normal
03/11/2026 03 PM PDT 15.30 4575 - Normal
03/11/2026 04 PM PDT 15.30 4575 0 Normal
03/11/2026 05 PM PDT 15.29 4560 - Normal
03/11/2026 06 PM PDT 15.28 4545 - Normal
03/11/2026 07 PM PDT 15.27 4531 - Normal
03/11/2026 08 PM PDT 15.27 4531 0 Normal
03/11/2026 09 PM PDT 15.26 4516 - Normal
03/11/2026 10 PM PDT 15.25 4502 - Normal
03/11/2026 11 PM PDT 15.24 4487 - Normal
03/12/2026 12 AM PDT 15.23 4473 - Normal
03/12/2026 01 AM PDT 15.23 4473 0 Normal
03/12/2026 02 AM PDT 15.22 4458 - Normal
03/12/2026 03 AM PDT 15.21 4444 - Normal
03/12/2026 04 AM PDT 15.21 4444 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 15.18 4401 - Normal
03/12/2026 08 AM PDT 15.18 4401 0 Normal
03/12/2026 09 AM PDT 15.17 4386 - Normal
03/12/2026 10 AM PDT 15.16 4372 - Normal
03/12/2026 11 AM PDT 15.16 4372 0 Normal
03/12/2026 12 PM PDT 15.15 4358 - Normal
03/12/2026 01 PM PDT 15.14 4343 - Normal
03/12/2026 02 PM PDT 15.14 4343 0 Normal
03/12/2026 03 PM PDT 15.13 4329 - Normal
03/12/2026 04 PM PDT 15.12 4315 - Normal
03/12/2026 05 PM PDT 15.12 4315 0 Normal
03/12/2026 06 PM PDT 15.11 4301 - Normal
03/12/2026 07 PM PDT 15.10 4287 - Normal
03/12/2026 08 PM PDT 15.10 4287 0 Normal
03/12/2026 09 PM PDT 15.09 4272 - Normal
03/12/2026 10 PM PDT 15.09 4272 0 Normal
03/12/2026 11 PM PDT 15.08 4258 - Normal
03/13/2026 12 AM PDT 15.07 4244 - Normal
03/13/2026 01 AM PDT 15.07 4244 0 Normal
03/13/2026 02 AM PDT 15.06 4230 - Normal
03/13/2026 03 AM PDT 15.06 4230 0 Normal
03/13/2026 04 AM PDT 15.05 4216 - 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 15.00 4146 - Normal
03/13/2026 01 PM PDT 15.00 4146 0 Normal
03/13/2026 02 PM PDT 14.99 4132 - Normal
03/13/2026 03 PM PDT 14.99 4132 0 Normal
03/13/2026 04 PM PDT 14.98 4118 - Normal
03/13/2026 05 PM PDT 14.98 4118 0 Normal
03/13/2026 06 PM PDT 14.97 4105 - Normal
03/13/2026 07 PM PDT 14.96 4091 - Normal
03/13/2026 08 PM PDT 14.96 4091 0 Normal
03/13/2026 09 PM PDT 14.96 4091 0 Normal
03/13/2026 10 PM PDT 14.95 4077 - Normal
03/13/2026 11 PM PDT 14.94 4063 - Normal
03/14/2026 12 AM PDT 14.94 4063 0 Normal
03/14/2026 01 AM PDT 14.93 4049 - Normal
03/14/2026 02 AM PDT 14.93 4049 0 Normal
03/14/2026 03 AM PDT 14.92 4036 - Normal
03/14/2026 04 AM PDT 14.92 4036 0 Normal
03/14/2026 05 AM PDT 14.91 4022 - 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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