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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 23 2026 at 1:07 PM PDT | Next Issuance: | Mar 24 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: 03/23/2026 at 01:07 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/21/2026 at 12:00 PM PDT
# Maximum Observed Stage: 14.78 Feet
# Maximum Observed Flow: 3846 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/23/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 14.30 Feet
# Maximum Forecast Flow: 3233 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/18/2026 01 PM PDT 14.48 3456 Normal
03/18/2026 02 PM PDT 14.49 3469 + Normal
03/18/2026 03 PM PDT 14.49 3469 0 Normal
03/18/2026 04 PM PDT 14.49 3469 0 Normal
03/18/2026 05 PM PDT 14.49 3469 0 Normal
03/18/2026 06 PM PDT 14.50 3481 + Normal
03/18/2026 07 PM PDT 14.48 3456 - Normal
03/18/2026 08 PM PDT 14.48 3456 0 Normal
03/18/2026 09 PM PDT 14.48 3456 0 Normal
03/18/2026 10 PM PDT 14.47 3443 - Normal
03/18/2026 11 PM PDT 14.49 3469 + Normal
03/19/2026 12 AM PDT 14.48 3456 - Normal
03/19/2026 01 AM PDT 14.48 3456 0 Normal
03/19/2026 02 AM PDT 14.47 3443 - Normal
03/19/2026 03 AM PDT 14.46 3431 - Normal
03/19/2026 04 AM PDT 14.46 3431 0 Normal
03/19/2026 05 AM PDT 14.46 3431 0 Normal
03/19/2026 06 AM PDT 14.44 3406 - Normal
03/19/2026 07 AM PDT 14.44 3406 0 Normal
03/19/2026 08 AM PDT 14.45 3418 + Normal
03/19/2026 09 AM PDT 14.43 3393 - Normal
03/19/2026 10 AM PDT 14.43 3393 0 Normal
03/19/2026 11 AM PDT 14.41 3368 - Normal
03/19/2026 12 PM PDT 14.41 3368 0 Normal
03/19/2026 01 PM PDT 14.42 3381 + Normal
03/19/2026 02 PM PDT 14.41 3368 - Normal
03/19/2026 03 PM PDT 14.40 3356 - Normal
03/19/2026 04 PM PDT 14.41 3368 + Normal
03/19/2026 05 PM PDT 14.40 3356 - Normal
03/19/2026 06 PM PDT 14.41 3368 + Normal
03/19/2026 07 PM PDT 14.39 3343 - Normal
03/19/2026 08 PM PDT 14.39 3343 0 Normal
03/19/2026 09 PM PDT 14.39 3343 0 Normal
03/19/2026 10 PM PDT 14.38 3331 - Normal
03/19/2026 11 PM PDT 14.39 3343 + Normal
03/20/2026 12 AM PDT 14.38 3331 - Normal
03/20/2026 01 AM PDT 14.39 3343 + Normal
03/20/2026 02 AM PDT 14.38 3331 - Normal
03/20/2026 03 AM PDT 14.36 3306 - Normal
03/20/2026 04 AM PDT 14.37 3319 + Normal
03/20/2026 05 AM PDT 14.36 3306 - Normal
03/20/2026 06 AM PDT 14.36 3306 0 Normal
03/20/2026 07 AM PDT 14.36 3306 0 Normal
03/20/2026 08 AM PDT 14.35 3294 - Normal
03/20/2026 09 AM PDT 14.34 3282 - Normal
03/20/2026 10 AM PDT 14.33 3269 - Normal
03/20/2026 11 AM PDT 14.32 3257 - Normal
03/20/2026 12 PM PDT 14.32 3257 0 Normal
03/20/2026 01 PM PDT 14.32 3257 0 Normal
03/20/2026 02 PM PDT 14.32 3257 0 Normal
03/20/2026 03 PM PDT 14.30 3233 - Normal
03/20/2026 04 PM PDT 14.31 3245 + Normal
03/20/2026 05 PM PDT 14.32 3257 + Normal
03/20/2026 06 PM PDT 14.29 3220 - Normal
03/20/2026 07 PM PDT 14.30 3233 + Normal
03/20/2026 08 PM PDT 14.30 3233 0 Normal
03/20/2026 09 PM PDT 14.30 3233 0 Normal
03/20/2026 10 PM PDT 14.31 3245 + Normal
03/20/2026 11 PM PDT 14.32 3257 + Normal
03/21/2026 12 AM PDT 14.34 3282 + Normal
03/21/2026 01 AM PDT 14.36 3306 + Normal
03/21/2026 02 AM PDT 14.37 3319 + Normal
03/21/2026 03 AM PDT 14.38 3331 + Normal
03/21/2026 04 AM PDT 14.41 3368 + Normal
03/21/2026 05 AM PDT 14.48 3456 + Normal
03/21/2026 06 AM PDT 14.58 3584 + Normal
03/21/2026 07 AM PDT 14.67 3701 + Normal
03/21/2026 08 AM PDT 14.71 3753 + Normal
03/21/2026 09 AM PDT 14.76 3820 + Normal
03/21/2026 10 AM PDT 14.77 3833 + Normal
03/21/2026 11 AM PDT 14.78 3846 + Normal
03/21/2026 12 PM PDT 14.78 3846 0 Normal
03/21/2026 01 PM PDT 14.76 3820 - Normal
03/21/2026 02 PM PDT 14.77 3833 + Normal
03/21/2026 03 PM PDT 14.77 3833 0 Normal
03/21/2026 04 PM PDT 14.74 3793 - Normal
03/21/2026 05 PM PDT 14.73 3780 - Normal
03/21/2026 06 PM PDT 14.72 3766 - Normal
03/21/2026 07 PM PDT 14.71 3753 - Normal
03/21/2026 08 PM PDT 14.70 3740 - Normal
03/21/2026 09 PM PDT 14.69 3727 - Normal
03/21/2026 10 PM PDT 14.69 3727 0 Normal
03/21/2026 11 PM PDT 14.68 3714 - Normal
03/22/2026 12 AM PDT 14.67 3701 - Normal
03/22/2026 01 AM PDT 14.65 3674 - Normal
03/22/2026 02 AM PDT 14.64 3661 - Normal
03/22/2026 03 AM PDT 14.62 3635 - Normal
03/22/2026 04 AM PDT 14.60 3610 - Normal
03/22/2026 05 AM PDT 14.58 3584 - Normal
03/22/2026 06 AM PDT 14.56 3558 - Normal
03/22/2026 07 AM PDT 14.54 3532 - Normal
03/22/2026 08 AM PDT 14.51 3494 - Normal
03/22/2026 09 AM PDT 14.52 3507 + Normal
03/22/2026 10 AM PDT 14.49 3469 - Normal
03/22/2026 11 AM PDT 14.49 3469 0 Normal
03/22/2026 12 PM PDT 14.47 3443 - Normal
03/22/2026 01 PM PDT 14.47 3443 0 Normal
03/22/2026 02 PM PDT 14.46 3431 - Normal
03/22/2026 03 PM PDT 14.44 3406 - Normal
03/22/2026 04 PM PDT 14.46 3431 + Normal
03/22/2026 05 PM PDT 14.44 3406 - Normal
03/22/2026 06 PM PDT 14.44 3406 0 Normal
03/22/2026 07 PM PDT 14.42 3381 - Normal
03/22/2026 08 PM PDT 14.42 3381 0 Normal
03/22/2026 09 PM PDT 14.42 3381 0 Normal
03/22/2026 10 PM PDT 14.41 3368 - Normal
03/22/2026 11 PM PDT 14.39 3343 - Normal
03/23/2026 12 AM PDT 14.38 3331 - Normal
03/23/2026 01 AM PDT 14.37 3319 - Normal
03/23/2026 02 AM PDT 14.35 3294 - Normal
03/23/2026 03 AM PDT 14.35 3294 0 Normal
03/23/2026 04 AM PDT 14.34 3282 - Normal
03/23/2026 05 AM PDT 14.35 3294 + Normal
03/23/2026 06 AM PDT 14.33 3269 - Normal
03/23/2026 07 AM PDT 14.34 3282 + Normal
03/23/2026 08 AM PDT 14.33 3269 - Normal
03/23/2026 09 AM PDT 14.32 3257 - Normal
03/23/2026 10 AM PDT 14.32 3257 0 Normal
03/23/2026 11 AM PDT 14.31 3245 - Normal
03/23/2026 12 PM PDT 14.31 3245 0 Normal
03/23/2026 01 PM PDT 14.31 3245 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/23/2026 02 PM PDT 14.30 3233 Normal
03/23/2026 03 PM PDT 14.29 3220 - Normal
03/23/2026 04 PM PDT 14.29 3220 0 Normal
03/23/2026 05 PM PDT 14.28 3208 - Normal
03/23/2026 06 PM PDT 14.28 3208 0 Normal
03/23/2026 07 PM PDT 14.27 3196 - Normal
03/23/2026 08 PM PDT 14.27 3196 0 Normal
03/23/2026 09 PM PDT 14.27 3196 0 Normal
03/23/2026 10 PM PDT 14.26 3184 - Normal
03/23/2026 11 PM PDT 14.26 3184 0 Normal
03/24/2026 12 AM PDT 14.25 3172 - Normal
03/24/2026 01 AM PDT 14.25 3172 0 Normal
03/24/2026 02 AM PDT 14.24 3160 - Normal
03/24/2026 03 AM PDT 14.24 3160 0 Normal
03/24/2026 04 AM PDT 14.23 3148 - Normal
03/24/2026 05 AM PDT 14.23 3148 0 Normal
03/24/2026 06 AM PDT 14.22 3136 - Normal
03/24/2026 07 AM PDT 14.21 3124 - Normal
03/24/2026 08 AM PDT 14.20 3112 - Normal
03/24/2026 09 AM PDT 14.19 3100 - Normal
03/24/2026 10 AM PDT 14.18 3088 - Normal
03/24/2026 11 AM PDT 14.17 3076 - Normal
03/24/2026 12 PM PDT 14.17 3076 0 Normal
03/24/2026 01 PM PDT 14.17 3076 0 Normal
03/24/2026 02 PM PDT 14.16 3064 - Normal
03/24/2026 03 PM PDT 14.16 3064 0 Normal
03/24/2026 04 PM PDT 14.16 3064 0 Normal
03/24/2026 05 PM PDT 14.16 3064 0 Normal
03/24/2026 06 PM PDT 14.16 3064 0 Normal
03/24/2026 07 PM PDT 14.16 3064 0 Normal
03/24/2026 08 PM PDT 14.16 3064 0 Normal
03/24/2026 09 PM PDT 14.16 3064 0 Normal
03/24/2026 10 PM PDT 14.15 3052 - Normal
03/24/2026 11 PM PDT 14.15 3052 0 Normal
03/25/2026 12 AM PDT 14.14 3041 - Normal
03/25/2026 01 AM PDT 14.14 3041 0 Normal
03/25/2026 02 AM PDT 14.13 3029 - Normal
03/25/2026 03 AM PDT 14.12 3017 - Normal
03/25/2026 04 AM PDT 14.11 3005 - Normal
03/25/2026 05 AM PDT 14.10 2993 - Normal
03/25/2026 06 AM PDT 14.09 2982 - Normal
03/25/2026 07 AM PDT 14.08 2970 - Normal
03/25/2026 08 AM PDT 14.07 2958 - Normal
03/25/2026 09 AM PDT 14.07 2958 0 Normal
03/25/2026 10 AM PDT 14.06 2947 - Normal
03/25/2026 11 AM PDT 14.05 2935 - Normal
03/25/2026 12 PM PDT 14.05 2935 0 Normal
03/25/2026 01 PM PDT 14.05 2935 0 Normal
03/25/2026 02 PM PDT 14.04 2924 - Normal
03/25/2026 03 PM PDT 14.04 2924 0 Normal
03/25/2026 04 PM PDT 14.05 2935 + Normal
03/25/2026 05 PM PDT 14.05 2935 0 Normal
03/25/2026 06 PM PDT 14.05 2935 0 Normal
03/25/2026 07 PM PDT 14.05 2935 0 Normal
03/25/2026 08 PM PDT 14.05 2935 0 Normal
03/25/2026 09 PM PDT 14.05 2935 0 Normal
03/25/2026 10 PM PDT 14.04 2924 - Normal
03/25/2026 11 PM PDT 14.04 2924 0 Normal
03/26/2026 12 AM PDT 14.04 2924 0 Normal
03/26/2026 01 AM PDT 14.03 2912 - Normal
03/26/2026 02 AM PDT 14.03 2912 0 Normal
03/26/2026 03 AM PDT 14.02 2901 - Normal
03/26/2026 04 AM PDT 14.02 2901 0 Normal
03/26/2026 05 AM PDT 14.01 2889 - Normal
03/26/2026 06 AM PDT 14.00 2878 - Normal
03/26/2026 07 AM PDT 14.00 2878 0 Normal
03/26/2026 08 AM PDT 13.99 2866 - Normal
03/26/2026 09 AM PDT 13.98 2855 - Normal
03/26/2026 10 AM PDT 13.98 2855 0 Normal
03/26/2026 11 AM PDT 13.98 2855 0 Normal
03/26/2026 12 PM PDT 13.97 2843 - Normal
03/26/2026 01 PM PDT 13.97 2843 0 Normal
03/26/2026 02 PM PDT 13.97 2843 0 Normal
03/26/2026 03 PM PDT 13.97 2843 0 Normal
03/26/2026 04 PM PDT 13.97 2843 0 Normal
03/26/2026 05 PM PDT 13.97 2843 0 Normal
03/26/2026 06 PM PDT 13.97 2843 0 Normal
03/26/2026 07 PM PDT 13.98 2855 + Normal
03/26/2026 08 PM PDT 13.98 2855 0 Normal
03/26/2026 09 PM PDT 13.98 2855 0 Normal
03/26/2026 10 PM PDT 13.98 2855 0 Normal
03/26/2026 11 PM PDT 13.97 2843 - Normal
03/27/2026 12 AM PDT 13.97 2843 0 Normal
03/27/2026 01 AM PDT 13.97 2843 0 Normal
03/27/2026 02 AM PDT 13.96 2832 - Normal
03/27/2026 03 AM PDT 13.96 2832 0 Normal
03/27/2026 04 AM PDT 13.95 2820 - Normal
03/27/2026 05 AM PDT 13.95 2820 0 Normal
03/27/2026 06 AM PDT 13.95 2820 0 Normal
03/27/2026 07 AM PDT 13.94 2809 - Normal
03/27/2026 08 AM PDT 13.94 2809 0 Normal
03/27/2026 09 AM PDT 13.94 2809 0 Normal
03/27/2026 10 AM PDT 13.94 2809 0 Normal
03/27/2026 11 AM PDT 13.94 2809 0 Normal
03/27/2026 12 PM PDT 13.94 2809 0 Normal
03/27/2026 01 PM PDT 13.93 2798 - Normal
03/27/2026 02 PM PDT 13.93 2798 0 Normal
03/27/2026 03 PM PDT 13.93 2798 0 Normal
03/27/2026 04 PM PDT 13.93 2798 0 Normal
03/27/2026 05 PM PDT 13.93 2798 0 Normal
03/27/2026 06 PM PDT 13.93 2798 0 Normal
03/27/2026 07 PM PDT 13.92 2786 - Normal
03/27/2026 08 PM PDT 13.92 2786 0 Normal
03/27/2026 09 PM PDT 13.92 2786 0 Normal
03/27/2026 10 PM PDT 13.92 2786 0 Normal
03/27/2026 11 PM PDT 13.92 2786 0 Normal
03/28/2026 12 AM PDT 13.91 2775 - Normal
03/28/2026 01 AM PDT 13.91 2775 0 Normal
03/28/2026 02 AM PDT 13.91 2775 0 Normal
03/28/2026 03 AM PDT 13.91 2775 0 Normal
03/28/2026 04 AM PDT 13.91 2775 0 Normal
03/28/2026 05 AM PDT 13.90 2764 - 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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