National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
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TRINITY RIVER - HOOPA (HOOC1)
Latitude: 41.05º NLongitude: 123.68º WElevation: 333 Feet
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 16 2025 at 6:07 AM PDTNext Issuance: Jun 17 2025 at 9:00 AM PDT
Action/Monitor: 44.0 FeetMinor Flood: 48.0 FeetModerate Flood: 52.0 FeetMajor Flood: 56.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Trinity River - Hoopa (HOOC1)
#
# File Generation Time:  06/16/2025 at 06:07 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/11/2025 at 05:00 PM PDT
# Maximum Observed Stage:                       13.93 Feet
# Maximum Observed Flow:                        2892 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/16/2025 at 07:00 AM PDT
# Maximum Forecast Stage:                       13.36 Feet
# Maximum Forecast Flow:                        2272 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/11/2025 06 AM PDT           13.87           2823                        Normal
  06/11/2025 07 AM PDT           13.85           2800         -              Normal
  06/11/2025 08 AM PDT           13.85           2800         0              Normal
  06/11/2025 09 AM PDT           13.85           2800         0              Normal
  06/11/2025 10 AM PDT           13.85           2800         0              Normal
  06/11/2025 11 AM PDT           13.86           2811         +              Normal
  06/11/2025 12 PM PDT           13.88           2834         +              Normal
  06/11/2025 01 PM PDT           13.91           2869         +              Normal
  06/11/2025 02 PM PDT           13.93           2892         +              Normal
  06/11/2025 03 PM PDT           13.93           2892         0              Normal
  06/11/2025 04 PM PDT           13.93           2892         0              Normal
  06/11/2025 05 PM PDT           13.93           2892         0              Normal
  06/11/2025 06 PM PDT           13.92           2880         -              Normal
  06/11/2025 07 PM PDT           13.91           2869         -              Normal
  06/11/2025 08 PM PDT           13.90           2857         -              Normal
  06/11/2025 09 PM PDT           13.87           2823         -              Normal
  06/11/2025 10 PM PDT           13.86           2811         -              Normal
  06/11/2025 11 PM PDT           13.83           2777         -              Normal
  06/12/2025 12 AM PDT           13.81           2755         -              Normal
  06/12/2025 01 AM PDT           13.77           2710         -              Normal
  06/12/2025 02 AM PDT           13.75           2687         -              Normal
  06/12/2025 03 AM PDT           13.73           2665         -              Normal
  06/12/2025 04 AM PDT           13.70           2632         -              Normal
  06/12/2025 05 AM PDT           13.70           2632         0              Normal
  06/12/2025 06 AM PDT           13.68           2610         -              Normal
  06/12/2025 07 AM PDT           13.66           2588         -              Normal
  06/12/2025 08 AM PDT           13.64           2567         -              Normal
  06/12/2025 09 AM PDT           13.62           2545         -              Normal
  06/12/2025 10 AM PDT           13.61           2534         -              Normal
  06/12/2025 11 AM PDT           13.60           2523         -              Normal
  06/12/2025 12 PM PDT           13.59           2513         -              Normal
  06/12/2025 01 PM PDT           13.58           2502         -              Normal
  06/12/2025 02 PM PDT           13.59           2513         +              Normal
  06/12/2025 03 PM PDT           13.58           2502         -              Normal
  06/12/2025 04 PM PDT           13.59           2513         +              Normal
  06/12/2025 05 PM PDT           13.59           2513         0              Normal
  06/12/2025 06 PM PDT           13.60           2523         +              Normal
  06/12/2025 07 PM PDT           13.61           2534         +              Normal
  06/12/2025 08 PM PDT           13.59           2513         -              Normal
  06/12/2025 09 PM PDT           13.59           2513         0              Normal
  06/12/2025 10 PM PDT           13.59           2513         0              Normal
  06/12/2025 11 PM PDT           13.57           2491         -              Normal
  06/13/2025 12 AM PDT           13.58           2502         +              Normal
  06/13/2025 01 AM PDT           13.56           2480         -              Normal
  06/13/2025 02 AM PDT           13.55           2470         -              Normal
  06/13/2025 03 AM PDT           13.55           2470         0              Normal
  06/13/2025 04 AM PDT           13.54           2459         -              Normal
  06/13/2025 05 AM PDT           13.54           2459         0              Normal
  06/13/2025 06 AM PDT           13.52           2438         -              Normal
  06/13/2025 07 AM PDT           13.50           2417         -              Normal
  06/13/2025 08 AM PDT           13.51           2427         +              Normal
  06/13/2025 09 AM PDT           13.50           2417         -              Normal
  06/13/2025 10 AM PDT           13.48           2396         -              Normal
  06/13/2025 11 AM PDT           13.49           2406         +              Normal
  06/13/2025 12 PM PDT           13.48           2396         -              Normal
  06/13/2025 01 PM PDT           13.48           2396         0              Normal
  06/13/2025 02 PM PDT           13.49           2406         +              Normal
  06/13/2025 03 PM PDT           13.48           2396         -              Normal
  06/13/2025 04 PM PDT           13.50           2417         +              Normal
  06/13/2025 05 PM PDT           13.49           2406         -              Normal
  06/13/2025 06 PM PDT           13.50           2417         +              Normal
  06/13/2025 07 PM PDT           13.51           2427         +              Normal
  06/13/2025 08 PM PDT           13.52           2438         +              Normal
  06/13/2025 09 PM PDT           13.53           2449         +              Normal
  06/13/2025 10 PM PDT           13.53           2449         0              Normal
  06/13/2025 11 PM PDT           13.52           2438         -              Normal
  06/14/2025 12 AM PDT           13.51           2427         -              Normal
  06/14/2025 01 AM PDT           13.51           2427         0              Normal
  06/14/2025 02 AM PDT           13.51           2427         0              Normal
  06/14/2025 03 AM PDT           13.49           2406         -              Normal
  06/14/2025 04 AM PDT           13.49           2406         0              Normal
  06/14/2025 05 AM PDT           13.48           2396         -              Normal
  06/14/2025 06 AM PDT           13.48           2396         0              Normal
  06/14/2025 07 AM PDT           13.45           2365         -              Normal
  06/14/2025 08 AM PDT           13.45           2365         0              Normal
  06/14/2025 09 AM PDT           13.44           2354         -              Normal
  06/14/2025 10 AM PDT           13.43           2344         -              Normal
  06/14/2025 11 AM PDT           13.43           2344         0              Normal
  06/14/2025 12 PM PDT           13.42           2334         -              Normal
  06/14/2025 01 PM PDT           13.42           2334         0              Normal
  06/14/2025 02 PM PDT           13.42           2334         0              Normal
  06/14/2025 03 PM PDT           13.42           2334         0              Normal
  06/14/2025 04 PM PDT           13.42           2334         0              Normal
  06/14/2025 05 PM PDT           13.43           2344         +              Normal
  06/14/2025 06 PM PDT           13.43           2344         0              Normal
  06/14/2025 07 PM PDT           13.44           2354         +              Normal
  06/14/2025 08 PM PDT           13.44           2354         0              Normal
  06/14/2025 09 PM PDT           13.44           2354         0              Normal
  06/14/2025 10 PM PDT           13.45           2365         +              Normal
  06/14/2025 11 PM PDT           13.45           2365         0              Normal
  06/15/2025 12 AM PDT           13.43           2344         -              Normal
  06/15/2025 01 AM PDT           13.42           2334         -              Normal
  06/15/2025 02 AM PDT           13.42           2334         0              Normal
  06/15/2025 03 AM PDT           13.41           2323         -              Normal
  06/15/2025 04 AM PDT           13.41           2323         0              Normal
  06/15/2025 05 AM PDT           13.40           2313         -              Normal
  06/15/2025 06 AM PDT           13.39           2303         -              Normal
  06/15/2025 07 AM PDT           13.40           2313         +              Normal
  06/15/2025 08 AM PDT           13.39           2303         -              Normal
  06/15/2025 09 AM PDT           13.37           2282         -              Normal
  06/15/2025 10 AM PDT           13.36           2272         -              Normal
  06/15/2025 11 AM PDT           13.36           2272         0              Normal
  06/15/2025 12 PM PDT           13.35           2262         -              Normal
  06/15/2025 01 PM PDT           13.35           2262         0              Normal
  06/15/2025 02 PM PDT           13.35           2262         0              Normal
  06/15/2025 03 PM PDT           13.34           2252         -              Normal
  06/15/2025 04 PM PDT           13.35           2262         +              Normal
  06/15/2025 05 PM PDT           13.35           2262         0              Normal
  06/15/2025 06 PM PDT           13.37           2282         +              Normal
  06/15/2025 07 PM PDT           13.37           2282         0              Normal
  06/15/2025 08 PM PDT           13.38           2292         +              Normal
  06/15/2025 09 PM PDT           13.38           2292         0              Normal
  06/15/2025 10 PM PDT           13.39           2303         +              Normal
  06/15/2025 11 PM PDT           13.38           2292         -              Normal
  06/16/2025 12 AM PDT           13.39           2303         +              Normal
  06/16/2025 01 AM PDT           13.39           2303         0              Normal
  06/16/2025 02 AM PDT           13.39           2303         0              Normal
  06/16/2025 03 AM PDT           13.38           2292         -              Normal
  06/16/2025 04 AM PDT           13.37           2282         -              Normal
  06/16/2025 05 AM PDT           13.37           2282         0              Normal
  06/16/2025 06 AM PDT           13.37           2282         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/16/2025 07 AM PDT           13.36           2272                        Normal
  06/16/2025 08 AM PDT           13.36           2272         0              Normal
  06/16/2025 09 AM PDT           13.35           2262         -              Normal
  06/16/2025 10 AM PDT           13.35           2262         0              Normal
  06/16/2025 11 AM PDT           13.34           2252         -              Normal
  06/16/2025 12 PM PDT           13.33           2242         -              Normal
  06/16/2025 01 PM PDT           13.32           2232         -              Normal
  06/16/2025 02 PM PDT           13.32           2232         0              Normal
  06/16/2025 03 PM PDT           13.31           2221         -              Normal
  06/16/2025 04 PM PDT           13.31           2221         0              Normal
  06/16/2025 05 PM PDT           13.31           2221         0              Normal
  06/16/2025 06 PM PDT           13.30           2211         -              Normal
  06/16/2025 07 PM PDT           13.30           2211         0              Normal
  06/16/2025 08 PM PDT           13.30           2211         0              Normal
  06/16/2025 09 PM PDT           13.30           2211         0              Normal
  06/16/2025 10 PM PDT           13.29           2201         -              Normal
  06/16/2025 11 PM PDT           13.29           2201         0              Normal
  06/17/2025 12 AM PDT           13.29           2201         0              Normal
  06/17/2025 01 AM PDT           13.29           2201         0              Normal
  06/17/2025 02 AM PDT           13.29           2201         0              Normal
  06/17/2025 03 AM PDT           13.29           2201         0              Normal
  06/17/2025 04 AM PDT           13.29           2201         0              Normal
  06/17/2025 05 AM PDT           13.29           2201         0              Normal
  06/17/2025 06 AM PDT           13.29           2201         0              Normal
  06/17/2025 07 AM PDT           13.29           2201         0              Normal
  06/17/2025 08 AM PDT           13.29           2201         0              Normal
  06/17/2025 09 AM PDT           13.28           2191         -              Normal
  06/17/2025 10 AM PDT           13.28           2191         0              Normal
  06/17/2025 11 AM PDT           13.28           2191         0              Normal
  06/17/2025 12 PM PDT           13.28           2191         0              Normal
  06/17/2025 01 PM PDT           13.27           2181         -              Normal
  06/17/2025 02 PM PDT           13.27           2181         0              Normal
  06/17/2025 03 PM PDT           13.27           2181         0              Normal
  06/17/2025 04 PM PDT           13.27           2181         0              Normal
  06/17/2025 05 PM PDT           13.27           2181         0              Normal
  06/17/2025 06 PM PDT           13.27           2181         0              Normal
  06/17/2025 07 PM PDT           13.27           2181         0              Normal
  06/17/2025 08 PM PDT           13.26           2171         -              Normal
  06/17/2025 09 PM PDT           13.26           2171         0              Normal
  06/17/2025 10 PM PDT           13.26           2171         0              Normal
  06/17/2025 11 PM PDT           13.26           2171         0              Normal
  06/18/2025 12 AM PDT           13.26           2171         0              Normal
  06/18/2025 01 AM PDT           13.26           2171         0              Normal
  06/18/2025 02 AM PDT           13.26           2171         0              Normal
  06/18/2025 03 AM PDT           13.26           2171         0              Normal
  06/18/2025 04 AM PDT           13.25           2161         -              Normal
  06/18/2025 05 AM PDT           13.25           2161         0              Normal
  06/18/2025 06 AM PDT           13.25           2161         0              Normal
  06/18/2025 07 AM PDT           13.25           2161         0              Normal
  06/18/2025 08 AM PDT           13.25           2161         0              Normal
  06/18/2025 09 AM PDT           13.25           2161         0              Normal
  06/18/2025 10 AM PDT           13.25           2161         0              Normal
  06/18/2025 11 AM PDT           13.25           2161         0              Normal
  06/18/2025 12 PM PDT           13.24           2152         -              Normal
  06/18/2025 01 PM PDT           13.24           2152         0              Normal
  06/18/2025 02 PM PDT           13.24           2152         0              Normal
  06/18/2025 03 PM PDT           13.24           2152         0              Normal
  06/18/2025 04 PM PDT           13.24           2152         0              Normal
  06/18/2025 05 PM PDT           13.24           2152         0              Normal
  06/18/2025 06 PM PDT           13.24           2152         0              Normal
  06/18/2025 07 PM PDT           13.24           2152         0              Normal
  06/18/2025 08 PM PDT           13.24           2152         0              Normal
  06/18/2025 09 PM PDT           13.23           2142         -              Normal
  06/18/2025 10 PM PDT           13.23           2142         0              Normal
  06/18/2025 11 PM PDT           13.23           2142         0              Normal
  06/19/2025 12 AM PDT           13.23           2142         0              Normal
  06/19/2025 01 AM PDT           13.22           2132         -              Normal
  06/19/2025 02 AM PDT           13.22           2132         0              Normal
  06/19/2025 03 AM PDT           13.21           2122         -              Normal
  06/19/2025 04 AM PDT           13.20           2112         -              Normal
  06/19/2025 05 AM PDT           13.20           2112         0              Normal
  06/19/2025 06 AM PDT           13.19           2102         -              Normal
  06/19/2025 07 AM PDT           13.19           2102         0              Normal
  06/19/2025 08 AM PDT           13.18           2093         -              Normal
  06/19/2025 09 AM PDT           13.18           2093         0              Normal
  06/19/2025 10 AM PDT           13.17           2083         -              Normal
  06/19/2025 11 AM PDT           13.17           2083         0              Normal
  06/19/2025 12 PM PDT           13.17           2083         0              Normal
  06/19/2025 01 PM PDT           13.17           2083         0              Normal
  06/19/2025 02 PM PDT           13.16           2073         -              Normal
  06/19/2025 03 PM PDT           13.16           2073         0              Normal
  06/19/2025 04 PM PDT           13.16           2073         0              Normal
  06/19/2025 05 PM PDT           13.16           2073         0              Normal
  06/19/2025 06 PM PDT           13.16           2073         0              Normal
  06/19/2025 07 PM PDT           13.16           2073         0              Normal
  06/19/2025 08 PM PDT           13.16           2073         0              Normal
  06/19/2025 09 PM PDT           13.16           2073         0              Normal
  06/19/2025 10 PM PDT           13.15           2064         -              Normal
  06/19/2025 11 PM PDT           13.15           2064         0              Normal
  06/20/2025 12 AM PDT           13.15           2064         0              Normal
  06/20/2025 01 AM PDT           13.15           2064         0              Normal
  06/20/2025 02 AM PDT           13.15           2064         0              Normal
  06/20/2025 03 AM PDT           13.15           2064         0              Normal
  06/20/2025 04 AM PDT           13.15           2064         0              Normal
  06/20/2025 05 AM PDT           13.15           2064         0              Normal
  06/20/2025 06 AM PDT           13.14           2054         -              Normal
  06/20/2025 07 AM PDT           13.14           2054         0              Normal
  06/20/2025 08 AM PDT           13.14           2054         0              Normal
  06/20/2025 09 AM PDT           13.14           2054         0              Normal
  06/20/2025 10 AM PDT           13.14           2054         0              Normal
  06/20/2025 11 AM PDT           13.14           2054         0              Normal
  06/20/2025 12 PM PDT           13.14           2054         0              Normal
  06/20/2025 01 PM PDT           13.14           2054         0              Normal
  06/20/2025 02 PM PDT           13.13           2044         -              Normal
  06/20/2025 03 PM PDT           13.13           2044         0              Normal
  06/20/2025 04 PM PDT           13.13           2044         0              Normal
  06/20/2025 05 PM PDT           13.13           2044         0              Normal
  06/20/2025 06 PM PDT           13.13           2044         0              Normal
  06/20/2025 07 PM PDT           13.13           2044         0              Normal
  06/20/2025 08 PM PDT           13.13           2044         0              Normal
  06/20/2025 09 PM PDT           13.13           2044         0              Normal
  06/20/2025 10 PM PDT           13.13           2044         0              Normal
  06/20/2025 11 PM PDT           13.12           2035         -              Normal
  06/21/2025 12 AM PDT           13.12           2035         0              Normal
  06/21/2025 01 AM PDT           13.12           2035         0              Normal
  06/21/2025 02 AM PDT           13.12           2035         0              Normal
  06/21/2025 03 AM PDT           13.12           2035         0              Normal
  06/21/2025 04 AM PDT           13.12           2035         0              Normal
  06/21/2025 05 AM PDT           13.12           2035         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.