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

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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: Jan 16 2026 at 1:36 PM PSTNext Issuance: Jan 17 2026 at 9:00 AM PST
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:  01/16/2026 at 01:36 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/11/2026 at 01:00 PM PST
# Maximum Observed Stage:                       17.98 Feet
# Maximum Observed Flow:                        9243 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/16/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       17.37 Feet
# Maximum Forecast Flow:                        7964 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/11/2026 01 PM PST           17.98           9243                        Normal
  01/11/2026 02 PM PST           17.97           9221         -              Normal
  01/11/2026 03 PM PST           17.93           9134         -              Normal
  01/11/2026 04 PM PST           17.94           9156         +              Normal
  01/11/2026 05 PM PST           17.91           9091         -              Normal
  01/11/2026 06 PM PST           17.88           9026         -              Normal
  01/11/2026 07 PM PST           17.89           9048         +              Normal
  01/11/2026 08 PM PST           17.89           9048         0              Normal
  01/11/2026 09 PM PST           17.83           8919         -              Normal
  01/11/2026 10 PM PST           17.84           8941         +              Normal
  01/11/2026 11 PM PST           17.81           8876         -              Normal
  01/12/2026 12 AM PST           17.81           8876         0              Normal
  01/12/2026 01 AM PST           17.78           8813         -              Normal
  01/12/2026 02 AM PST           17.77           8791         -              Normal
  01/12/2026 03 AM PST           17.75           8749         -              Normal
  01/12/2026 04 AM PST           17.72           8686         -              Normal
  01/12/2026 05 AM PST           17.71           8665         -              Normal
  01/12/2026 06 AM PST           17.69           8622         -              Normal
  01/12/2026 07 AM PST           17.66           8560         -              Normal
  01/12/2026 08 AM PST           17.66           8560         0              Normal
  01/12/2026 09 AM PST           17.65           8539         -              Normal
  01/12/2026 10 AM PST           17.66           8560         +              Normal
  01/12/2026 11 AM PST           17.60           8434         -              Normal
  01/12/2026 12 PM PST           17.58           8393         -              Normal
  01/12/2026 01 PM PST           17.59           8414         +              Normal
  01/12/2026 02 PM PST           17.58           8393         -              Normal
  01/12/2026 03 PM PST           17.54           8310         -              Normal
  01/12/2026 04 PM PST           17.55           8331         +              Normal
  01/12/2026 05 PM PST           17.54           8310         -              Normal
  01/12/2026 06 PM PST           17.49           8208         -              Normal
  01/12/2026 07 PM PST           17.52           8269         +              Normal
  01/12/2026 08 PM PST           17.51           8249         -              Normal
  01/12/2026 09 PM PST           17.48           8187         -              Normal
  01/12/2026 10 PM PST           17.45           8126         -              Normal
  01/12/2026 11 PM PST           17.46           8146         +              Normal
  01/13/2026 12 AM PST           17.44           8105         -              Normal
  01/13/2026 01 AM PST           17.47           8167         +              Normal
  01/13/2026 02 AM PST           17.48           8187         +              Normal
  01/13/2026 03 AM PST           17.54           8310         +              Normal
  01/13/2026 04 AM PST           17.59           8414         +              Normal
  01/13/2026 05 AM PST           17.62           8476         +              Normal
  01/13/2026 06 AM PST           17.65           8539         +              Normal
  01/13/2026 07 AM PST           17.70           8643         +              Normal
  01/13/2026 08 AM PST           17.76           8770         +              Normal
  01/13/2026 09 AM PST           17.85           8962         +              Normal
  01/13/2026 10 AM PST           17.85           8962         0              Normal
  01/13/2026 11 AM PST           17.89           9048         +              Normal
  01/13/2026 12 PM PST           17.88           9026         -              Normal
  01/13/2026 01 PM PST           17.93           9134         +              Normal
  01/13/2026 02 PM PST           17.91           9091         -              Normal
  01/13/2026 03 PM PST           17.93           9134         +              Normal
  01/13/2026 04 PM PST           17.93           9134         0              Normal
  01/13/2026 05 PM PST           17.91           9091         -              Normal
  01/13/2026 06 PM PST           17.93           9134         +              Normal
  01/13/2026 07 PM PST           17.89           9048         -              Normal
  01/13/2026 08 PM PST           17.89           9048         0              Normal
  01/13/2026 09 PM PST           17.89           9048         0              Normal
  01/13/2026 10 PM PST           17.88           9026         -              Normal
  01/13/2026 11 PM PST           17.84           8941         -              Normal
  01/14/2026 12 AM PST           17.81           8876         -              Normal
  01/14/2026 01 AM PST           17.83           8919         +              Normal
  01/14/2026 02 AM PST           17.84           8941         +              Normal
  01/14/2026 03 AM PST           17.81           8876         -              Normal
  01/14/2026 04 AM PST           17.82           8898         +              Normal
  01/14/2026 05 AM PST           17.82           8898         0              Normal
  01/14/2026 06 AM PST           17.80           8855         -              Normal
  01/14/2026 07 AM PST           17.78           8813         -              Normal
  01/14/2026 08 AM PST           17.77           8791         -              Normal
  01/14/2026 09 AM PST           17.76           8770         -              Normal
  01/14/2026 10 AM PST           17.77           8791         +              Normal
  01/14/2026 11 AM PST           17.76           8770         -              Normal
  01/14/2026 12 PM PST           17.74           8728         -              Normal
  01/14/2026 01 PM PST           17.73           8707         -              Normal
  01/14/2026 02 PM PST           17.72           8686         -              Normal
  01/14/2026 03 PM PST           17.72           8686         0              Normal
  01/14/2026 04 PM PST           17.71           8665         -              Normal
  01/14/2026 05 PM PST           17.73           8707         +              Normal
  01/14/2026 06 PM PST           17.69           8622         -              Normal
  01/14/2026 07 PM PST           17.69           8622         0              Normal
  01/14/2026 08 PM PST           17.67           8581         -              Normal
  01/14/2026 09 PM PST           17.69           8622         +              Normal
  01/14/2026 10 PM PST           17.63           8497         -              Normal
  01/14/2026 11 PM PST           17.64           8518         +              Normal
  01/15/2026 12 AM PST           17.65           8539         +              Normal
  01/15/2026 01 AM PST           17.64           8518         -              Normal
  01/15/2026 02 AM PST           17.63           8497         -              Normal
  01/15/2026 03 AM PST           17.64           8518         +              Normal
  01/15/2026 04 AM PST           17.61           8455         -              Normal
  01/15/2026 05 AM PST           17.62           8476         +              Normal
  01/15/2026 06 AM PST           17.60           8434         -              Normal
  01/15/2026 07 AM PST           17.60           8434         0              Normal
  01/15/2026 08 AM PST           17.60           8434         0              Normal
  01/15/2026 09 AM PST           17.62           8476         +              Normal
  01/15/2026 10 AM PST           17.59           8414         -              Normal
  01/15/2026 11 AM PST           17.57           8372         -              Normal
  01/15/2026 12 PM PST           17.55           8331         -              Normal
  01/15/2026 01 PM PST           17.54           8310         -              Normal
  01/15/2026 02 PM PST           17.54           8310         0              Normal
  01/15/2026 03 PM PST           17.55           8331         +              Normal
  01/15/2026 04 PM PST           17.54           8310         -              Normal
  01/15/2026 05 PM PST           17.54           8310         0              Normal
  01/15/2026 06 PM PST           17.52           8269         -              Normal
  01/15/2026 07 PM PST           17.49           8208         -              Normal
  01/15/2026 08 PM PST           17.50           8228         +              Normal
  01/15/2026 09 PM PST           17.51           8249         +              Normal
  01/15/2026 10 PM PST           17.48           8187         -              Normal
  01/15/2026 11 PM PST           17.50           8228         +              Normal
  01/16/2026 12 AM PST           17.49           8208         -              Normal
  01/16/2026 01 AM PST           17.48           8187         -              Normal
  01/16/2026 02 AM PST           17.47           8167         -              Normal
  01/16/2026 03 AM PST           17.44           8105         -              Normal
  01/16/2026 04 AM PST           17.46           8146         +              Normal
  01/16/2026 05 AM PST           17.43           8085         -              Normal
  01/16/2026 06 AM PST           17.45           8126         +              Normal
  01/16/2026 07 AM PST           17.41           8045         -              Normal
  01/16/2026 08 AM PST           17.42           8065         +              Normal
  01/16/2026 09 AM PST           17.42           8065         0              Normal
  01/16/2026 10 AM PST           17.43           8085         +              Normal
  01/16/2026 11 AM PST           17.41           8045         -              Normal
  01/16/2026 12 PM PST           17.38           7984         -              Normal
  01/16/2026 01 PM PST           17.38           7984         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/16/2026 02 PM PST           17.37           7964                        Normal
  01/16/2026 03 PM PST           17.37           7964         0              Normal
  01/16/2026 04 PM PST           17.36           7944         -              Normal
  01/16/2026 05 PM PST           17.35           7923         -              Normal
  01/16/2026 06 PM PST           17.35           7923         0              Normal
  01/16/2026 07 PM PST           17.34           7903         -              Normal
  01/16/2026 08 PM PST           17.33           7883         -              Normal
  01/16/2026 09 PM PST           17.33           7883         0              Normal
  01/16/2026 10 PM PST           17.32           7863         -              Normal
  01/16/2026 11 PM PST           17.32           7863         0              Normal
  01/17/2026 12 AM PST           17.31           7843         -              Normal
  01/17/2026 01 AM PST           17.30           7823         -              Normal
  01/17/2026 02 AM PST           17.30           7823         0              Normal
  01/17/2026 03 AM PST           17.29           7803         -              Normal
  01/17/2026 04 AM PST           17.29           7803         0              Normal
  01/17/2026 05 AM PST           17.29           7803         0              Normal
  01/17/2026 06 AM PST           17.28           7783         -              Normal
  01/17/2026 07 AM PST           17.27           7763         -              Normal
  01/17/2026 08 AM PST           17.27           7763         0              Normal
  01/17/2026 09 AM PST           17.26           7743         -              Normal
  01/17/2026 10 AM PST           17.26           7743         0              Normal
  01/17/2026 11 AM PST           17.25           7724         -              Normal
  01/17/2026 12 PM PST           17.25           7724         0              Normal
  01/17/2026 01 PM PST           17.24           7704         -              Normal
  01/17/2026 02 PM PST           17.23           7684         -              Normal
  01/17/2026 03 PM PST           17.23           7684         0              Normal
  01/17/2026 04 PM PST           17.22           7664         -              Normal
  01/17/2026 05 PM PST           17.22           7664         0              Normal
  01/17/2026 06 PM PST           17.21           7644         -              Normal
  01/17/2026 07 PM PST           17.21           7644         0              Normal
  01/17/2026 08 PM PST           17.20           7625         -              Normal
  01/17/2026 09 PM PST           17.20           7625         0              Normal
  01/17/2026 10 PM PST           17.19           7605         -              Normal
  01/17/2026 11 PM PST           17.19           7605         0              Normal
  01/18/2026 12 AM PST           17.18           7585         -              Normal
  01/18/2026 01 AM PST           17.18           7585         0              Normal
  01/18/2026 02 AM PST           17.17           7566         -              Normal
  01/18/2026 03 AM PST           17.17           7566         0              Normal
  01/18/2026 04 AM PST           17.16           7546         -              Normal
  01/18/2026 05 AM PST           17.16           7546         0              Normal
  01/18/2026 06 AM PST           17.16           7546         0              Normal
  01/18/2026 07 AM PST           17.15           7526         -              Normal
  01/18/2026 08 AM PST           17.15           7526         0              Normal
  01/18/2026 09 AM PST           17.14           7507         -              Normal
  01/18/2026 10 AM PST           17.14           7507         0              Normal
  01/18/2026 11 AM PST           17.13           7487         -              Normal
  01/18/2026 12 PM PST           17.13           7487         0              Normal
  01/18/2026 01 PM PST           17.13           7487         0              Normal
  01/18/2026 02 PM PST           17.12           7468         -              Normal
  01/18/2026 03 PM PST           17.12           7468         0              Normal
  01/18/2026 04 PM PST           17.11           7448         -              Normal
  01/18/2026 05 PM PST           17.11           7448         0              Normal
  01/18/2026 06 PM PST           17.11           7448         0              Normal
  01/18/2026 07 PM PST           17.10           7429         -              Normal
  01/18/2026 08 PM PST           17.10           7429         0              Normal
  01/18/2026 09 PM PST           17.10           7429         0              Normal
  01/18/2026 10 PM PST           17.09           7409         -              Normal
  01/18/2026 11 PM PST           17.09           7409         0              Normal
  01/19/2026 12 AM PST           17.08           7390         -              Normal
  01/19/2026 01 AM PST           17.08           7390         0              Normal
  01/19/2026 02 AM PST           17.07           7370         -              Normal
  01/19/2026 03 AM PST           17.07           7370         0              Normal
  01/19/2026 04 AM PST           17.07           7370         0              Normal
  01/19/2026 05 AM PST           17.06           7351         -              Normal
  01/19/2026 06 AM PST           17.06           7351         0              Normal
  01/19/2026 07 AM PST           17.05           7332         -              Normal
  01/19/2026 08 AM PST           17.05           7332         0              Normal
  01/19/2026 09 AM PST           17.05           7332         0              Normal
  01/19/2026 10 AM PST           17.05           7332         0              Normal
  01/19/2026 11 AM PST           17.04           7312         -              Normal
  01/19/2026 12 PM PST           17.04           7312         0              Normal
  01/19/2026 01 PM PST           17.04           7312         0              Normal
  01/19/2026 02 PM PST           17.03           7293         -              Normal
  01/19/2026 03 PM PST           17.03           7293         0              Normal
  01/19/2026 04 PM PST           17.03           7293         0              Normal
  01/19/2026 05 PM PST           17.02           7274         -              Normal
  01/19/2026 06 PM PST           17.02           7274         0              Normal
  01/19/2026 07 PM PST           17.02           7274         0              Normal
  01/19/2026 08 PM PST           17.02           7274         0              Normal
  01/19/2026 09 PM PST           17.01           7255         -              Normal
  01/19/2026 10 PM PST           17.01           7255         0              Normal
  01/19/2026 11 PM PST           17.00           7235         -              Normal
  01/20/2026 12 AM PST           17.00           7235         0              Normal
  01/20/2026 01 AM PST           17.00           7235         0              Normal
  01/20/2026 02 AM PST           17.00           7235         0              Normal
  01/20/2026 03 AM PST           16.99           7216         -              Normal
  01/20/2026 04 AM PST           16.99           7216         0              Normal
  01/20/2026 05 AM PST           16.99           7216         0              Normal
  01/20/2026 06 AM PST           16.98           7197         -              Normal
  01/20/2026 07 AM PST           16.98           7197         0              Normal
  01/20/2026 08 AM PST           16.98           7197         0              Normal
  01/20/2026 09 AM PST           16.98           7197         0              Normal
  01/20/2026 10 AM PST           16.97           7178         -              Normal
  01/20/2026 11 AM PST           16.97           7178         0              Normal
  01/20/2026 12 PM PST           16.97           7178         0              Normal
  01/20/2026 01 PM PST           16.97           7178         0              Normal
  01/20/2026 02 PM PST           16.97           7178         0              Normal
  01/20/2026 03 PM PST           16.96           7159         -              Normal
  01/20/2026 04 PM PST           16.96           7159         0              Normal
  01/20/2026 05 PM PST           16.96           7159         0              Normal
  01/20/2026 06 PM PST           16.96           7159         0              Normal
  01/20/2026 07 PM PST           16.96           7159         0              Normal
  01/20/2026 08 PM PST           16.95           7140         -              Normal
  01/20/2026 09 PM PST           16.95           7140         0              Normal
  01/20/2026 10 PM PST           16.95           7140         0              Normal
  01/20/2026 11 PM PST           16.95           7140         0              Normal
  01/21/2026 12 AM PST           16.94           7121         -              Normal
  01/21/2026 01 AM PST           16.94           7121         0              Normal
  01/21/2026 02 AM PST           16.94           7121         0              Normal
  01/21/2026 03 AM PST           16.94           7121         0              Normal
  01/21/2026 04 AM PST           16.93           7103         -              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.