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 FeetForecast Type: Official Location
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Nov 15 2026 at 9:05 AM PSTNext Issuance: Nov 16 2026 at 9:00 AM PST
Action: 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:  11/15/2026 at 09:06 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/14/2026 at 06:00 PM PST
# Maximum Observed Stage:                       11.86 Feet
# Maximum Observed Flow:                        1030 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/20/2026 at 02:00 AM PST
# Maximum Forecast Stage:                       12.41 Feet
# Maximum Forecast Flow:                        1432 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/10/2026 09 AM PST           11.26            670                        Normal
  11/10/2026 10 AM PST           11.26            670         0              Normal
  11/10/2026 11 AM PST           11.25            665         -              Normal
  11/10/2026 12 PM PST           11.25            665         0              Normal
  11/10/2026 01 PM PST           11.26            670         +              Normal
  11/10/2026 02 PM PST           11.26            670         0              Normal
  11/10/2026 03 PM PST           11.26            670         0              Normal
  11/10/2026 04 PM PST           11.25            665         -              Normal
  11/10/2026 05 PM PST           11.25            665         0              Normal
  11/10/2026 06 PM PST           11.25            665         0              Normal
  11/10/2026 07 PM PST           11.25            665         0              Normal
  11/10/2026 08 PM PST           11.25            665         0              Normal
  11/10/2026 09 PM PST           11.25            665         0              Normal
  11/10/2026 10 PM PST           11.25            665         0              Normal
  11/10/2026 11 PM PST           11.25            665         0              Normal
  11/11/2026 12 AM PST           11.25            665         0              Normal
  11/11/2026 01 AM PST           11.25            665         0              Normal
  11/11/2026 02 AM PST           11.26            670         +              Normal
  11/11/2026 03 AM PST           11.25            665         -              Normal
  11/11/2026 04 AM PST           11.26            670         +              Normal
  11/11/2026 05 AM PST           11.26            670         0              Normal
  11/11/2026 06 AM PST           11.25            665         -              Normal
  11/11/2026 07 AM PST           11.25            665         0              Normal
  11/11/2026 08 AM PST           11.25            665         0              Normal
  11/11/2026 09 AM PST           11.26            670         +              Normal
  11/11/2026 10 AM PST           11.25            665         -              Normal
  11/11/2026 11 AM PST           11.26            670         +              Normal
  11/11/2026 12 PM PST           11.25            665         -              Normal
  11/11/2026 01 PM PST           11.25            665         0              Normal
  11/11/2026 02 PM PST           11.25            665         0              Normal
  11/11/2026 03 PM PST           11.26            670         +              Normal
  11/11/2026 04 PM PST           11.25            665         -              Normal
  11/11/2026 05 PM PST           11.25            665         0              Normal
  11/11/2026 06 PM PST           11.25            665         0              Normal
  11/11/2026 07 PM PST           11.25            665         0              Normal
  11/11/2026 08 PM PST           11.24            660         -              Normal
  11/11/2026 09 PM PST           11.25            665         +              Normal
  11/11/2026 10 PM PST           11.24            660         -              Normal
  11/11/2026 11 PM PST           11.25            665         +              Normal
  11/12/2026 12 AM PST           11.24            660         -              Normal
  11/12/2026 01 AM PST           11.24            660         0              Normal
  11/12/2026 02 AM PST           11.24            660         0              Normal
  11/12/2026 03 AM PST           11.24            660         0              Normal
  11/12/2026 04 AM PST           11.24            660         0              Normal
  11/12/2026 05 AM PST           11.23            654         -              Normal
  11/12/2026 06 AM PST           11.23            654         0              Normal
  11/12/2026 07 AM PST           11.23            654         0              Normal
  11/12/2026 08 AM PST           11.23            654         0              Normal
  11/12/2026 09 AM PST           11.22            649         -              Normal
  11/12/2026 10 AM PST           11.23            654         +              Normal
  11/12/2026 11 AM PST           11.23            654         0              Normal
  11/12/2026 12 PM PST           11.23            654         0              Normal
  11/12/2026 01 PM PST           11.23            654         0              Normal
  11/12/2026 02 PM PST           11.23            654         0              Normal
  11/12/2026 03 PM PST           11.23            654         0              Normal
  11/12/2026 04 PM PST           11.23            654         0              Normal
  11/12/2026 05 PM PST           11.23            654         0              Normal
  11/12/2026 06 PM PST           11.23            654         0              Normal
  11/12/2026 07 PM PST           11.23            654         0              Normal
  11/12/2026 08 PM PST           11.23            654         0              Normal
  11/12/2026 09 PM PST           11.22            649         -              Normal
  11/12/2026 10 PM PST           11.22            649         0              Normal
  11/12/2026 11 PM PST           11.21            644         -              Normal
  11/13/2026 12 AM PST           11.22            649         +              Normal
  11/13/2026 01 AM PST           11.21            644         -              Normal
  11/13/2026 02 AM PST           11.19            634         -              Normal
  11/13/2026 03 AM PST           11.21            644         +              Normal
  11/13/2026 04 AM PST           11.21            644         0              Normal
  11/13/2026 05 AM PST           11.21            644         0              Normal
  11/13/2026 06 AM PST           11.22            649         +              Normal
  11/13/2026 07 AM PST           11.24            660         +              Normal
  11/13/2026 08 AM PST           11.29            686         +              Normal
  11/13/2026 09 AM PST           11.32            703         +              Normal
  11/13/2026 10 AM PST           11.34            714         +              Normal
  11/13/2026 11 AM PST           11.35            719         +              Normal
  11/13/2026 12 PM PST           11.37            730         +              Normal
  11/13/2026 01 PM PST           11.39            741         +              Normal
  11/13/2026 02 PM PST           11.42            758         +              Normal
  11/13/2026 03 PM PST           11.44            770         +              Normal
  11/13/2026 04 PM PST           11.45            776         +              Normal
  11/13/2026 05 PM PST           11.49            799         +              Normal
  11/13/2026 06 PM PST           11.54            828         +              Normal
  11/13/2026 07 PM PST           11.59            858         +              Normal
  11/13/2026 08 PM PST           11.62            877         +              Normal
  11/13/2026 09 PM PST           11.64            889         +              Normal
  11/13/2026 10 PM PST           11.64            889         0              Normal
  11/13/2026 11 PM PST           11.65            895         +              Normal
  11/14/2026 12 AM PST           11.65            895         0              Normal
  11/14/2026 01 AM PST           11.65            895         0              Normal
  11/14/2026 02 AM PST           11.65            895         0              Normal
  11/14/2026 03 AM PST           11.65            895         0              Normal
  11/14/2026 04 AM PST           11.65            895         0              Normal
  11/14/2026 05 AM PST           11.64            889         -              Normal
  11/14/2026 06 AM PST           11.63            883         -              Normal
  11/14/2026 07 AM PST           11.64            889         +              Normal
  11/14/2026 08 AM PST           11.64            889         0              Normal
  11/14/2026 09 AM PST           11.66            901         +              Normal
  11/14/2026 10 AM PST           11.69            920         +              Normal
  11/14/2026 11 AM PST           11.73            945         +              Normal
  11/14/2026 12 PM PST           11.76            965         +              Normal
  11/14/2026 01 PM PST           11.77            971         +              Normal
  11/14/2026 02 PM PST           11.78            978         +              Normal
  11/14/2026 03 PM PST           11.81            997         +              Normal
  11/14/2026 04 PM PST           11.84           1017         +              Normal
  11/14/2026 05 PM PST           11.85           1024         +              Normal
  11/14/2026 06 PM PST           11.86           1030         +              Normal
  11/14/2026 07 PM PST           11.85           1024         -              Normal
  11/14/2026 08 PM PST           11.84           1017         -              Normal
  11/14/2026 09 PM PST           11.82           1004         -              Normal
  11/14/2026 10 PM PST           11.80            991         -              Normal
  11/14/2026 11 PM PST           11.79            984         -              Normal
  11/15/2026 12 AM PST           11.80            991         +              Normal
  11/15/2026 01 AM PST           11.80            991         0              Normal
  11/15/2026 02 AM PST           11.78            978         -              Normal
  11/15/2026 03 AM PST           11.78            978         0              Normal
  11/15/2026 04 AM PST           11.77            971         -              Normal
  11/15/2026 05 AM PST           11.79            984         +              Normal
  11/15/2026 06 AM PST           11.78            978         -              Normal
  11/15/2026 07 AM PST           11.78            978         0              Normal
  11/15/2026 08 AM PST           11.79            984         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/15/2026 09 AM PST           11.77            971                        Normal
  11/15/2026 10 AM PST           11.75            958         -              Normal
  11/15/2026 11 AM PST           11.73            945         -              Normal
  11/15/2026 12 PM PST           11.72            939         -              Normal
  11/15/2026 01 PM PST           11.71            933         -              Normal
  11/15/2026 02 PM PST           11.69            920         -              Normal
  11/15/2026 03 PM PST           11.68            914         -              Normal
  11/15/2026 04 PM PST           11.67            908         -              Normal
  11/15/2026 05 PM PST           11.67            908         0              Normal
  11/15/2026 06 PM PST           11.67            908         0              Normal
  11/15/2026 07 PM PST           11.67            908         0              Normal
  11/15/2026 08 PM PST           11.68            914         +              Normal
  11/15/2026 09 PM PST           11.70            926         +              Normal
  11/15/2026 10 PM PST           11.72            939         +              Normal
  11/15/2026 11 PM PST           11.75            958         +              Normal
  11/16/2026 12 AM PST           11.79            984         +              Normal
  11/16/2026 01 AM PST           11.84           1017         +              Normal
  11/16/2026 02 AM PST           11.89           1050         +              Normal
  11/16/2026 03 AM PST           11.95           1091         +              Normal
  11/16/2026 04 AM PST           12.01           1133         +              Normal
  11/16/2026 05 AM PST           12.09           1190         +              Normal
  11/16/2026 06 AM PST           12.16           1241         +              Normal
  11/16/2026 07 AM PST           12.22           1286         +              Normal
  11/16/2026 08 AM PST           12.28           1331         +              Normal
  11/16/2026 09 AM PST           12.33           1370         +              Normal
  11/16/2026 10 AM PST           12.37           1401         +              Normal
  11/16/2026 11 AM PST           12.39           1417         +              Normal
  11/16/2026 12 PM PST           12.39           1417         0              Normal
  11/16/2026 01 PM PST           12.39           1417         0              Normal
  11/16/2026 02 PM PST           12.38           1409         -              Normal
  11/16/2026 03 PM PST           12.36           1393         -              Normal
  11/16/2026 04 PM PST           12.33           1370         -              Normal
  11/16/2026 05 PM PST           12.29           1339         -              Normal
  11/16/2026 06 PM PST           12.26           1316         -              Normal
  11/16/2026 07 PM PST           12.22           1286         -              Normal
  11/16/2026 08 PM PST           12.19           1263         -              Normal
  11/16/2026 09 PM PST           12.15           1234         -              Normal
  11/16/2026 10 PM PST           12.11           1204         -              Normal
  11/16/2026 11 PM PST           12.08           1183         -              Normal
  11/17/2026 12 AM PST           12.04           1154         -              Normal
  11/17/2026 01 AM PST           12.00           1126         -              Normal
  11/17/2026 02 AM PST           11.96           1098         -              Normal
  11/17/2026 03 AM PST           11.93           1078         -              Normal
  11/17/2026 04 AM PST           11.89           1050         -              Normal
  11/17/2026 05 AM PST           11.86           1030         -              Normal
  11/17/2026 06 AM PST           11.82           1004         -              Normal
  11/17/2026 07 AM PST           11.79            984         -              Normal
  11/17/2026 08 AM PST           11.75            958         -              Normal
  11/17/2026 09 AM PST           11.72            939         -              Normal
  11/17/2026 10 AM PST           11.69            920         -              Normal
  11/17/2026 11 AM PST           11.66            901         -              Normal
  11/17/2026 12 PM PST           11.63            883         -              Normal
  11/17/2026 01 PM PST           11.60            864         -              Normal
  11/17/2026 02 PM PST           11.57            846         -              Normal
  11/17/2026 03 PM PST           11.54            828         -              Normal
  11/17/2026 04 PM PST           11.52            816         -              Normal
  11/17/2026 05 PM PST           11.49            799         -              Normal
  11/17/2026 06 PM PST           11.47            787         -              Normal
  11/17/2026 07 PM PST           11.44            770         -              Normal
  11/17/2026 08 PM PST           11.42            758         -              Normal
  11/17/2026 09 PM PST           11.40            747         -              Normal
  11/17/2026 10 PM PST           11.38            736         -              Normal
  11/17/2026 11 PM PST           11.36            725         -              Normal
  11/18/2026 12 AM PST           11.34            714         -              Normal
  11/18/2026 01 AM PST           11.32            703         -              Normal
  11/18/2026 02 AM PST           11.30            692         -              Normal
  11/18/2026 03 AM PST           11.29            686         -              Normal
  11/18/2026 04 AM PST           11.27            676         -              Normal
  11/18/2026 05 AM PST           11.26            670         -              Normal
  11/18/2026 06 AM PST           11.26            670         0              Normal
  11/18/2026 07 AM PST           11.25            665         -              Normal
  11/18/2026 08 AM PST           11.25            665         0              Normal
  11/18/2026 09 AM PST           11.25            665         0              Normal
  11/18/2026 10 AM PST           11.26            670         +              Normal
  11/18/2026 11 AM PST           11.27            676         +              Normal
  11/18/2026 12 PM PST           11.28            681         +              Normal
  11/18/2026 01 PM PST           11.30            692         +              Normal
  11/18/2026 02 PM PST           11.32            703         +              Normal
  11/18/2026 03 PM PST           11.35            719         +              Normal
  11/18/2026 04 PM PST           11.38            736         +              Normal
  11/18/2026 05 PM PST           11.41            753         +              Normal
  11/18/2026 06 PM PST           11.45            776         +              Normal
  11/18/2026 07 PM PST           11.49            799         +              Normal
  11/18/2026 08 PM PST           11.53            822         +              Normal
  11/18/2026 09 PM PST           11.57            846         +              Normal
  11/18/2026 10 PM PST           11.62            877         +              Normal
  11/18/2026 11 PM PST           11.66            901         +              Normal
  11/19/2026 12 AM PST           11.71            933         +              Normal
  11/19/2026 01 AM PST           11.77            971         +              Normal
  11/19/2026 02 AM PST           11.82           1004         +              Normal
  11/19/2026 03 AM PST           11.87           1037         +              Normal
  11/19/2026 04 AM PST           11.92           1071         +              Normal
  11/19/2026 05 AM PST           11.97           1105         +              Normal
  11/19/2026 06 AM PST           12.01           1133         +              Normal
  11/19/2026 07 AM PST           12.04           1154         +              Normal
  11/19/2026 08 AM PST           12.07           1176         +              Normal
  11/19/2026 09 AM PST           12.10           1197         +              Normal
  11/19/2026 10 AM PST           12.12           1212         +              Normal
  11/19/2026 11 AM PST           12.14           1226         +              Normal
  11/19/2026 12 PM PST           12.16           1241         +              Normal
  11/19/2026 01 PM PST           12.18           1256         +              Normal
  11/19/2026 02 PM PST           12.20           1271         +              Normal
  11/19/2026 03 PM PST           12.22           1286         +              Normal
  11/19/2026 04 PM PST           12.24           1301         +              Normal
  11/19/2026 05 PM PST           12.27           1323         +              Normal
  11/19/2026 06 PM PST           12.29           1339         +              Normal
  11/19/2026 07 PM PST           12.31           1354         +              Normal
  11/19/2026 08 PM PST           12.33           1370         +              Normal
  11/19/2026 09 PM PST           12.35           1385         +              Normal
  11/19/2026 10 PM PST           12.37           1401         +              Normal
  11/19/2026 11 PM PST           12.38           1409         +              Normal
  11/20/2026 12 AM PST           12.39           1417         +              Normal
  11/20/2026 01 AM PST           12.40           1424         +              Normal
  11/20/2026 02 AM PST           12.41           1432         +              Normal
  11/20/2026 03 AM PST           12.41           1432         0              Normal
  11/20/2026 04 AM PST           12.41           1432         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.