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 12 2026 at 1:18 PM PSTNext Issuance: Nov 13 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:  11/12/2026 at 01:19 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/10/2026 at 07:00 AM PST
# Maximum Observed Stage:                       11.27 Feet
# Maximum Observed Flow:                        676 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/16/2026 at 01:00 PM PST
# Maximum Forecast Stage:                       12.44 Feet
# Maximum Forecast Flow:                        1456 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/07/2026 01 PM PST           11.21            644                        Normal
  11/07/2026 02 PM PST           11.21            644         0              Normal
  11/07/2026 03 PM PST           11.21            644         0              Normal
  11/07/2026 04 PM PST           11.21            644         0              Normal
  11/07/2026 05 PM PST           11.22            649         +              Normal
  11/07/2026 06 PM PST           11.21            644         -              Normal
  11/07/2026 07 PM PST           11.21            644         0              Normal
  11/07/2026 08 PM PST           11.21            644         0              Normal
  11/07/2026 09 PM PST           11.21            644         0              Normal
  11/07/2026 10 PM PST           11.21            644         0              Normal
  11/07/2026 11 PM PST           11.21            644         0              Normal
  11/08/2026 12 AM PST           11.21            644         0              Normal
  11/08/2026 01 AM PST           11.21            644         0              Normal
  11/08/2026 02 AM PST           11.21            644         0              Normal
  11/08/2026 03 AM PST           11.20            639         -              Normal
  11/08/2026 04 AM PST           11.21            644         +              Normal
  11/08/2026 05 AM PST           11.20            639         -              Normal
  11/08/2026 06 AM PST           11.19            634         -              Normal
  11/08/2026 07 AM PST           11.20            639         +              Normal
  11/08/2026 08 AM PST           11.20            639         0              Normal
  11/08/2026 09 AM PST           11.20            639         0              Normal
  11/08/2026 10 AM PST           11.20            639         0              Normal
  11/08/2026 11 AM PST           11.20            639         0              Normal
  11/08/2026 12 PM PST           11.20            639         0              Normal
  11/08/2026 01 PM PST           11.20            639         0              Normal
  11/08/2026 02 PM PST           11.20            639         0              Normal
  11/08/2026 03 PM PST           11.20            639         0              Normal
  11/08/2026 04 PM PST           11.20            639         0              Normal
  11/08/2026 05 PM PST           11.20            639         0              Normal
  11/08/2026 06 PM PST           11.20            639         0              Normal
  11/08/2026 07 PM PST           11.20            639         0              Normal
  11/08/2026 08 PM PST           11.20            639         0              Normal
  11/08/2026 09 PM PST           11.21            644         +              Normal
  11/08/2026 10 PM PST           11.20            639         -              Normal
  11/08/2026 11 PM PST           11.20            639         0              Normal
  11/09/2026 12 AM PST           11.20            639         0              Normal
  11/09/2026 01 AM PST           11.20            639         0              Normal
  11/09/2026 02 AM PST           11.21            644         +              Normal
  11/09/2026 03 AM PST           11.20            639         -              Normal
  11/09/2026 04 AM PST           11.20            639         0              Normal
  11/09/2026 05 AM PST           11.20            639         0              Normal
  11/09/2026 06 AM PST           11.19            634         -              Normal
  11/09/2026 07 AM PST           11.19            634         0              Normal
  11/09/2026 08 AM PST           11.19            634         0              Normal
  11/09/2026 09 AM PST           11.19            634         0              Normal
  11/09/2026 10 AM PST           11.19            634         0              Normal
  11/09/2026 11 AM PST           11.19            634         0              Normal
  11/09/2026 12 PM PST           11.21            644         +              Normal
  11/09/2026 01 PM PST           11.25            665         +              Normal
  11/09/2026 02 PM PST           11.25            665         0              Normal
  11/09/2026 03 PM PST           11.25            665         0              Normal
  11/09/2026 04 PM PST           11.26            670         +              Normal
  11/09/2026 05 PM PST           11.27            676         +              Normal
  11/09/2026 06 PM PST           11.26            670         -              Normal
  11/09/2026 07 PM PST           11.27            676         +              Normal
  11/09/2026 08 PM PST           11.26            670         -              Normal
  11/09/2026 09 PM PST           11.27            676         +              Normal
  11/09/2026 10 PM PST           11.27            676         0              Normal
  11/09/2026 11 PM PST           11.27            676         0              Normal
  11/10/2026 12 AM PST           11.27            676         0              Normal
  11/10/2026 01 AM PST           11.27            676         0              Normal
  11/10/2026 02 AM PST           11.27            676         0              Normal
  11/10/2026 03 AM PST           11.27            676         0              Normal
  11/10/2026 04 AM PST           11.27            676         0              Normal
  11/10/2026 05 AM PST           11.27            676         0              Normal
  11/10/2026 06 AM PST           11.27            676         0              Normal
  11/10/2026 07 AM PST           11.27            676         0              Normal
  11/10/2026 08 AM PST           11.26            670         -              Normal
  11/10/2026 09 AM PST           11.26            670         0              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
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/12/2026 02 PM PST           11.23            654                        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           11.23            654         0              Normal
  11/12/2026 10 PM PST           11.23            654         0              Normal
  11/12/2026 11 PM PST           11.23            654         0              Normal
  11/13/2026 12 AM PST           11.23            654         0              Normal
  11/13/2026 01 AM PST           11.23            654         0              Normal
  11/13/2026 02 AM PST           11.23            654         0              Normal
  11/13/2026 03 AM PST           11.22            649         -              Normal
  11/13/2026 04 AM PST           11.22            649         0              Normal
  11/13/2026 05 AM PST           11.22            649         0              Normal
  11/13/2026 06 AM PST           11.22            649         0              Normal
  11/13/2026 07 AM PST           11.23            654         +              Normal
  11/13/2026 08 AM PST           11.23            654         0              Normal
  11/13/2026 09 AM PST           11.23            654         0              Normal
  11/13/2026 10 AM PST           11.23            654         0              Normal
  11/13/2026 11 AM PST           11.23            654         0              Normal
  11/13/2026 12 PM PST           11.24            660         +              Normal
  11/13/2026 01 PM PST           11.25            665         +              Normal
  11/13/2026 02 PM PST           11.26            670         +              Normal
  11/13/2026 03 PM PST           11.27            676         +              Normal
  11/13/2026 04 PM PST           11.29            686         +              Normal
  11/13/2026 05 PM PST           11.31            697         +              Normal
  11/13/2026 06 PM PST           11.34            714         +              Normal
  11/13/2026 07 PM PST           11.37            730         +              Normal
  11/13/2026 08 PM PST           11.41            753         +              Normal
  11/13/2026 09 PM PST           11.45            776         +              Normal
  11/13/2026 10 PM PST           11.50            805         +              Normal
  11/13/2026 11 PM PST           11.55            834         +              Normal
  11/14/2026 12 AM PST           11.61            870         +              Normal
  11/14/2026 01 AM PST           11.67            908         +              Normal
  11/14/2026 02 AM PST           11.73            945         +              Normal
  11/14/2026 03 AM PST           11.80            991         +              Normal
  11/14/2026 04 AM PST           11.87           1037         +              Normal
  11/14/2026 05 AM PST           11.95           1091         +              Normal
  11/14/2026 06 AM PST           12.03           1147         +              Normal
  11/14/2026 07 AM PST           12.12           1212         +              Normal
  11/14/2026 08 AM PST           12.20           1271         +              Normal
  11/14/2026 09 AM PST           12.27           1323         +              Normal
  11/14/2026 10 AM PST           12.33           1370         +              Normal
  11/14/2026 11 AM PST           12.38           1409         +              Normal
  11/14/2026 12 PM PST           12.41           1432         +              Normal
  11/14/2026 01 PM PST           12.43           1448         +              Normal
  11/14/2026 02 PM PST           12.43           1448         0              Normal
  11/14/2026 03 PM PST           12.43           1448         0              Normal
  11/14/2026 04 PM PST           12.42           1440         -              Normal
  11/14/2026 05 PM PST           12.41           1432         -              Normal
  11/14/2026 06 PM PST           12.39           1417         -              Normal
  11/14/2026 07 PM PST           12.37           1401         -              Normal
  11/14/2026 08 PM PST           12.34           1377         -              Normal
  11/14/2026 09 PM PST           12.31           1354         -              Normal
  11/14/2026 10 PM PST           12.28           1331         -              Normal
  11/14/2026 11 PM PST           12.25           1308         -              Normal
  11/15/2026 12 AM PST           12.21           1278         -              Normal
  11/15/2026 01 AM PST           12.17           1248         -              Normal
  11/15/2026 02 AM PST           12.13           1219         -              Normal
  11/15/2026 03 AM PST           12.09           1190         -              Normal
  11/15/2026 04 AM PST           12.04           1154         -              Normal
  11/15/2026 05 AM PST           12.01           1133         -              Normal
  11/15/2026 06 AM PST           11.97           1105         -              Normal
  11/15/2026 07 AM PST           11.93           1078         -              Normal
  11/15/2026 08 AM PST           11.89           1050         -              Normal
  11/15/2026 09 AM PST           11.86           1030         -              Normal
  11/15/2026 10 AM PST           11.83           1010         -              Normal
  11/15/2026 11 AM PST           11.81            997         -              Normal
  11/15/2026 12 PM PST           11.78            978         -              Normal
  11/15/2026 01 PM PST           11.76            965         -              Normal
  11/15/2026 02 PM PST           11.74            952         -              Normal
  11/15/2026 03 PM PST           11.73            945         -              Normal
  11/15/2026 04 PM PST           11.72            939         -              Normal
  11/15/2026 05 PM PST           11.72            939         0              Normal
  11/15/2026 06 PM PST           11.72            939         0              Normal
  11/15/2026 07 PM PST           11.73            945         +              Normal
  11/15/2026 08 PM PST           11.74            952         +              Normal
  11/15/2026 09 PM PST           11.76            965         +              Normal
  11/15/2026 10 PM PST           11.78            978         +              Normal
  11/15/2026 11 PM PST           11.80            991         +              Normal
  11/16/2026 12 AM PST           11.83           1010         +              Normal
  11/16/2026 01 AM PST           11.86           1030         +              Normal
  11/16/2026 02 AM PST           11.90           1057         +              Normal
  11/16/2026 03 AM PST           11.95           1091         +              Normal
  11/16/2026 04 AM PST           12.00           1126         +              Normal
  11/16/2026 05 AM PST           12.05           1161         +              Normal
  11/16/2026 06 AM PST           12.12           1212         +              Normal
  11/16/2026 07 AM PST           12.18           1256         +              Normal
  11/16/2026 08 AM PST           12.25           1308         +              Normal
  11/16/2026 09 AM PST           12.31           1354         +              Normal
  11/16/2026 10 AM PST           12.35           1385         +              Normal
  11/16/2026 11 AM PST           12.39           1417         +              Normal
  11/16/2026 12 PM PST           12.42           1440         +              Normal
  11/16/2026 01 PM PST           12.44           1456         +              Normal
  11/16/2026 02 PM PST           12.44           1456         0              Normal
  11/16/2026 03 PM PST           12.44           1456         0              Normal
  11/16/2026 04 PM PST           12.43           1448         -              Normal
  11/16/2026 05 PM PST           12.41           1432         -              Normal
  11/16/2026 06 PM PST           12.39           1417         -              Normal
  11/16/2026 07 PM PST           12.36           1393         -              Normal
  11/16/2026 08 PM PST           12.33           1370         -              Normal
  11/16/2026 09 PM PST           12.30           1346         -              Normal
  11/16/2026 10 PM PST           12.26           1316         -              Normal
  11/16/2026 11 PM PST           12.23           1293         -              Normal
  11/17/2026 12 AM PST           12.19           1263         -              Normal
  11/17/2026 01 AM PST           12.16           1241         -              Normal
  11/17/2026 02 AM PST           12.13           1219         -              Normal
  11/17/2026 03 AM PST           12.10           1197         -              Normal
  11/17/2026 04 AM PST           12.06           1168         -              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.