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 13 2026 at 1:47 PM PSTNext Issuance: Nov 14 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:  11/13/2026 at 01:47 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/13/2026 at 01:00 PM PST
# Maximum Observed Stage:                       11.38 Feet
# Maximum Observed Flow:                        736 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/16/2026 at 12:00 PM PST
# Maximum Forecast Stage:                       12.67 Feet
# Maximum Forecast Flow:                        1647 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/08/2026 01 PM PST           11.20            639                        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
  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           11.38            736         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/13/2026 02 PM PST           11.39            741                        Normal
  11/13/2026 03 PM PST           11.41            753         +              Normal
  11/13/2026 04 PM PST           11.43            764         +              Normal
  11/13/2026 05 PM PST           11.45            776         +              Normal
  11/13/2026 06 PM PST           11.48            793         +              Normal
  11/13/2026 07 PM PST           11.52            816         +              Normal
  11/13/2026 08 PM PST           11.56            840         +              Normal
  11/13/2026 09 PM PST           11.60            864         +              Normal
  11/13/2026 10 PM PST           11.65            895         +              Normal
  11/13/2026 11 PM PST           11.70            926         +              Normal
  11/14/2026 12 AM PST           11.75            958         +              Normal
  11/14/2026 01 AM PST           11.80            991         +              Normal
  11/14/2026 02 AM PST           11.86           1030         +              Normal
  11/14/2026 03 AM PST           11.91           1064         +              Normal
  11/14/2026 04 AM PST           11.97           1105         +              Normal
  11/14/2026 05 AM PST           12.03           1147         +              Normal
  11/14/2026 06 AM PST           12.09           1190         +              Normal
  11/14/2026 07 AM PST           12.16           1241         +              Normal
  11/14/2026 08 AM PST           12.21           1278         +              Normal
  11/14/2026 09 AM PST           12.26           1316         +              Normal
  11/14/2026 10 AM PST           12.30           1346         +              Normal
  11/14/2026 11 AM PST           12.33           1370         +              Normal
  11/14/2026 12 PM PST           12.34           1377         +              Normal
  11/14/2026 01 PM PST           12.35           1385         +              Normal
  11/14/2026 02 PM PST           12.35           1385         0              Normal
  11/14/2026 03 PM PST           12.34           1377         -              Normal
  11/14/2026 04 PM PST           12.32           1362         -              Normal
  11/14/2026 05 PM PST           12.30           1346         -              Normal
  11/14/2026 06 PM PST           12.27           1323         -              Normal
  11/14/2026 07 PM PST           12.25           1308         -              Normal
  11/14/2026 08 PM PST           12.22           1286         -              Normal
  11/14/2026 09 PM PST           12.18           1256         -              Normal
  11/14/2026 10 PM PST           12.15           1234         -              Normal
  11/14/2026 11 PM PST           12.11           1204         -              Normal
  11/15/2026 12 AM PST           12.08           1183         -              Normal
  11/15/2026 01 AM PST           12.04           1154         -              Normal
  11/15/2026 02 AM PST           12.00           1126         -              Normal
  11/15/2026 03 AM PST           11.97           1105         -              Normal
  11/15/2026 04 AM PST           11.93           1078         -              Normal
  11/15/2026 05 AM PST           11.90           1057         -              Normal
  11/15/2026 06 AM PST           11.87           1037         -              Normal
  11/15/2026 07 AM PST           11.84           1017         -              Normal
  11/15/2026 08 AM PST           11.82           1004         -              Normal
  11/15/2026 09 AM PST           11.80            991         -              Normal
  11/15/2026 10 AM PST           11.78            978         -              Normal
  11/15/2026 11 AM PST           11.77            971         -              Normal
  11/15/2026 12 PM PST           11.75            958         -              Normal
  11/15/2026 01 PM PST           11.74            952         -              Normal
  11/15/2026 02 PM PST           11.74            952         0              Normal
  11/15/2026 03 PM PST           11.74            952         0              Normal
  11/15/2026 04 PM PST           11.74            952         0              Normal
  11/15/2026 05 PM PST           11.76            965         +              Normal
  11/15/2026 06 PM PST           11.77            971         +              Normal
  11/15/2026 07 PM PST           11.79            984         +              Normal
  11/15/2026 08 PM PST           11.81            997         +              Normal
  11/15/2026 09 PM PST           11.84           1017         +              Normal
  11/15/2026 10 PM PST           11.88           1044         +              Normal
  11/15/2026 11 PM PST           11.92           1071         +              Normal
  11/16/2026 12 AM PST           11.96           1098         +              Normal
  11/16/2026 01 AM PST           12.01           1133         +              Normal
  11/16/2026 02 AM PST           12.06           1168         +              Normal
  11/16/2026 03 AM PST           12.12           1212         +              Normal
  11/16/2026 04 AM PST           12.19           1263         +              Normal
  11/16/2026 05 AM PST           12.27           1323         +              Normal
  11/16/2026 06 AM PST           12.36           1393         +              Normal
  11/16/2026 07 AM PST           12.45           1464         +              Normal
  11/16/2026 08 AM PST           12.52           1521         +              Normal
  11/16/2026 09 AM PST           12.59           1579         +              Normal
  11/16/2026 10 AM PST           12.63           1613         +              Normal
  11/16/2026 11 AM PST           12.66           1638         +              Normal
  11/16/2026 12 PM PST           12.67           1647         +              Normal
  11/16/2026 01 PM PST           12.67           1647         0              Normal
  11/16/2026 02 PM PST           12.66           1638         -              Normal
  11/16/2026 03 PM PST           12.64           1621         -              Normal
  11/16/2026 04 PM PST           12.61           1596         -              Normal
  11/16/2026 05 PM PST           12.58           1571         -              Normal
  11/16/2026 06 PM PST           12.54           1538         -              Normal
  11/16/2026 07 PM PST           12.50           1505         -              Normal
  11/16/2026 08 PM PST           12.46           1472         -              Normal
  11/16/2026 09 PM PST           12.43           1448         -              Normal
  11/16/2026 10 PM PST           12.39           1417         -              Normal
  11/16/2026 11 PM PST           12.35           1385         -              Normal
  11/17/2026 12 AM PST           12.31           1354         -              Normal
  11/17/2026 01 AM PST           12.27           1323         -              Normal
  11/17/2026 02 AM PST           12.23           1293         -              Normal
  11/17/2026 03 AM PST           12.19           1263         -              Normal
  11/17/2026 04 AM PST           12.15           1234         -              Normal
  11/17/2026 05 AM PST           12.12           1212         -              Normal
  11/17/2026 06 AM PST           12.09           1190         -              Normal
  11/17/2026 07 AM PST           12.05           1161         -              Normal
  11/17/2026 08 AM PST           12.02           1140         -              Normal
  11/17/2026 09 AM PST           11.99           1119         -              Normal
  11/17/2026 10 AM PST           11.96           1098         -              Normal
  11/17/2026 11 AM PST           11.94           1084         -              Normal
  11/17/2026 12 PM PST           11.91           1064         -              Normal
  11/17/2026 01 PM PST           11.88           1044         -              Normal
  11/17/2026 02 PM PST           11.86           1030         -              Normal
  11/17/2026 03 PM PST           11.83           1010         -              Normal
  11/17/2026 04 PM PST           11.81            997         -              Normal
  11/17/2026 05 PM PST           11.79            984         -              Normal
  11/17/2026 06 PM PST           11.76            965         -              Normal
  11/17/2026 07 PM PST           11.74            952         -              Normal
  11/17/2026 08 PM PST           11.72            939         -              Normal
  11/17/2026 09 PM PST           11.70            926         -              Normal
  11/17/2026 10 PM PST           11.69            920         -              Normal
  11/17/2026 11 PM PST           11.67            908         -              Normal
  11/18/2026 12 AM PST           11.65            895         -              Normal
  11/18/2026 01 AM PST           11.64            889         -              Normal
  11/18/2026 02 AM PST           11.63            883         -              Normal
  11/18/2026 03 AM PST           11.62            877         -              Normal
  11/18/2026 04 AM PST           11.61            870         -              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.