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 02 2026 at 8:42 AM PSTNext Issuance: Nov 02 2026 at 3:00 PM 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:  11/02/2026 at 08:43 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/02/2026 at 05:00 AM PST
# Maximum Observed Stage:                       11.19 Feet
# Maximum Observed Flow:                        634 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/04/2026 at 12:00 PM PST
# Maximum Forecast Stage:                       11.25 Feet
# Maximum Forecast Flow:                        665 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/28/2026 09 AM PDT           11.17            623                        Normal
  10/28/2026 10 AM PDT           11.17            623         0              Normal
  10/28/2026 11 AM PDT           11.17            623         0              Normal
  10/28/2026 12 PM PDT           11.17            623         0              Normal
  10/28/2026 01 PM PDT           11.17            623         0              Normal
  10/28/2026 02 PM PDT           11.18            628         +              Normal
  10/28/2026 03 PM PDT           11.18            628         0              Normal
  10/28/2026 04 PM PDT           11.18            628         0              Normal
  10/28/2026 05 PM PDT           11.17            623         -              Normal
  10/28/2026 06 PM PDT           11.18            628         +              Normal
  10/28/2026 07 PM PDT           11.17            623         -              Normal
  10/28/2026 08 PM PDT           11.18            628         +              Normal
  10/28/2026 09 PM PDT           11.17            623         -              Normal
  10/28/2026 10 PM PDT           11.18            628         +              Normal
  10/28/2026 11 PM PDT           11.18            628         0              Normal
  10/29/2026 12 AM PDT           11.17            623         -              Normal
  10/29/2026 01 AM PDT           11.17            623         0              Normal
  10/29/2026 02 AM PDT           11.17            623         0              Normal
  10/29/2026 03 AM PDT           11.17            623         0              Normal
  10/29/2026 04 AM PDT           11.17            623         0              Normal
  10/29/2026 05 AM PDT           11.17            623         0              Normal
  10/29/2026 06 AM PDT           11.17            623         0              Normal
  10/29/2026 07 AM PDT           11.15            613         -              Normal
  10/29/2026 08 AM PDT           11.15            613         0              Normal
  10/29/2026 09 AM PDT           11.14            608         -              Normal
  10/29/2026 10 AM PDT           11.15            613         +              Normal
  10/29/2026 11 AM PDT           11.15            613         0              Normal
  10/29/2026 12 PM PDT           11.15            613         0              Normal
  10/29/2026 01 PM PDT           11.15            613         0              Normal
  10/29/2026 02 PM PDT           11.15            613         0              Normal
  10/29/2026 03 PM PDT           11.15            613         0              Normal
  10/29/2026 04 PM PDT           11.15            613         0              Normal
  10/29/2026 05 PM PDT           11.15            613         0              Normal
  10/29/2026 06 PM PDT           11.15            613         0              Normal
  10/29/2026 07 PM PDT           11.15            613         0              Normal
  10/29/2026 08 PM PDT           11.15            613         0              Normal
  10/29/2026 09 PM PDT           11.15            613         0              Normal
  10/29/2026 10 PM PDT           11.16            618         +              Normal
  10/29/2026 11 PM PDT           11.16            618         0              Normal
  10/30/2026 12 AM PDT           11.15            613         -              Normal
  10/30/2026 01 AM PDT           11.16            618         +              Normal
  10/30/2026 02 AM PDT           11.16            618         0              Normal
  10/30/2026 03 AM PDT           11.16            618         0              Normal
  10/30/2026 04 AM PDT           11.16            618         0              Normal
  10/30/2026 05 AM PDT           11.15            613         -              Normal
  10/30/2026 06 AM PDT           11.15            613         0              Normal
  10/30/2026 07 AM PDT           11.15            613         0              Normal
  10/30/2026 08 AM PDT           11.15            613         0              Normal
  10/30/2026 09 AM PDT           11.15            613         0              Normal
  10/30/2026 10 AM PDT           11.15            613         0              Normal
  10/30/2026 11 AM PDT           11.15            613         0              Normal
  10/30/2026 12 PM PDT           11.16            618         +              Normal
  10/30/2026 01 PM PDT           11.16            618         0              Normal
  10/30/2026 02 PM PDT           11.16            618         0              Normal
  10/30/2026 03 PM PDT           11.16            618         0              Normal
  10/30/2026 04 PM PDT           11.16            618         0              Normal
  10/30/2026 05 PM PDT           11.16            618         0              Normal
  10/30/2026 06 PM PDT           11.16            618         0              Normal
  10/30/2026 07 PM PDT           11.16            618         0              Normal
  10/30/2026 08 PM PDT           11.16            618         0              Normal
  10/30/2026 09 PM PDT           11.16            618         0              Normal
  10/30/2026 10 PM PDT           11.16            618         0              Normal
  10/30/2026 11 PM PDT           11.16            618         0              Normal
  10/31/2026 12 AM PDT           11.17            623         +              Normal
  10/31/2026 01 AM PDT           11.17            623         0              Normal
  10/31/2026 02 AM PDT           11.16            618         -              Normal
  10/31/2026 03 AM PDT           11.17            623         +              Normal
  10/31/2026 04 AM PDT           11.16            618         -              Normal
  10/31/2026 05 AM PDT           11.16            618         0              Normal
  10/31/2026 06 AM PDT           11.16            618         0              Normal
  10/31/2026 07 AM PDT           11.16            618         0              Normal
  10/31/2026 08 AM PDT           11.16            618         0              Normal
  10/31/2026 09 AM PDT           11.16            618         0              Normal
  10/31/2026 10 AM PDT           11.16            618         0              Normal
  10/31/2026 11 AM PDT           11.16            618         0              Normal
  10/31/2026 12 PM PDT           11.16            618         0              Normal
  10/31/2026 01 PM PDT           11.16            618         0              Normal
  10/31/2026 02 PM PDT           11.16            618         0              Normal
  10/31/2026 03 PM PDT           11.16            618         0              Normal
  10/31/2026 04 PM PDT           11.16            618         0              Normal
  10/31/2026 05 PM PDT           11.16            618         0              Normal
  10/31/2026 06 PM PDT           11.16            618         0              Normal
  10/31/2026 07 PM PDT           11.16            618         0              Normal
  10/31/2026 08 PM PDT           11.16            618         0              Normal
  10/31/2026 09 PM PDT           11.17            623         +              Normal
  10/31/2026 10 PM PDT           11.17            623         0              Normal
  10/31/2026 11 PM PDT           11.16            618         -              Normal
  11/01/2026 12 AM PDT           11.17            623         +              Normal
  11/01/2026 01 AM PDT           11.17            623         0              Normal
  11/01/2026 01 AM PST           11.16            618         -              Normal
  11/01/2026 02 AM PST           11.17            623         +              Normal
  11/01/2026 03 AM PST           11.17            623         0              Normal
  11/01/2026 04 AM PST           11.16            618         -              Normal
  11/01/2026 05 AM PST           11.16            618         0              Normal
  11/01/2026 06 AM PST           11.16            618         0              Normal
  11/01/2026 07 AM PST           11.16            618         0              Normal
  11/01/2026 08 AM PST           11.16            618         0              Normal
  11/01/2026 09 AM PST           11.17            623         +              Normal
  11/01/2026 10 AM PST           11.17            623         0              Normal
  11/01/2026 11 AM PST           11.16            618         -              Normal
  11/01/2026 12 PM PST           11.16            618         0              Normal
  11/01/2026 01 PM PST           11.17            623         +              Normal
  11/01/2026 02 PM PST           11.17            623         0              Normal
  11/01/2026 03 PM PST           11.17            623         0              Normal
  11/01/2026 04 PM PST           11.17            623         0              Normal
  11/01/2026 05 PM PST           11.18            628         +              Normal
  11/01/2026 06 PM PST           11.19            634         +              Normal
  11/01/2026 07 PM PST           11.19            634         0              Normal
  11/01/2026 08 PM PST           11.19            634         0              Normal
  11/01/2026 09 PM PST           11.19            634         0              Normal
  11/01/2026 10 PM PST           11.18            628         -              Normal
  11/01/2026 11 PM PST           11.19            634         +              Normal
  11/02/2026 12 AM PST           11.19            634         0              Normal
  11/02/2026 01 AM PST           11.19            634         0              Normal
  11/02/2026 02 AM PST           11.19            634         0              Normal
  11/02/2026 03 AM PST           11.18            628         -              Normal
  11/02/2026 04 AM PST           11.19            634         +              Normal
  11/02/2026 05 AM PST           11.19            634         0              Normal
  11/02/2026 06 AM PST           11.18            628         -              Normal
  11/02/2026 07 AM PST           11.17            623         -              Normal
  11/02/2026 08 AM PST           11.17            623         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/02/2026 09 AM PST           11.17            623                        Normal
  11/02/2026 10 AM PST           11.16            618         -              Normal
  11/02/2026 11 AM PST           11.16            618         0              Normal
  11/02/2026 12 PM PST           11.16            618         0              Normal
  11/02/2026 01 PM PST           11.16            618         0              Normal
  11/02/2026 02 PM PST           11.15            613         -              Normal
  11/02/2026 03 PM PST           11.15            613         0              Normal
  11/02/2026 04 PM PST           11.15            613         0              Normal
  11/02/2026 05 PM PST           11.15            613         0              Normal
  11/02/2026 06 PM PST           11.15            613         0              Normal
  11/02/2026 07 PM PST           11.15            613         0              Normal
  11/02/2026 08 PM PST           11.15            613         0              Normal
  11/02/2026 09 PM PST           11.15            613         0              Normal
  11/02/2026 10 PM PST           11.14            608         -              Normal
  11/02/2026 11 PM PST           11.14            608         0              Normal
  11/03/2026 12 AM PST           11.14            608         0              Normal
  11/03/2026 01 AM PST           11.13            603         -              Normal
  11/03/2026 02 AM PST           11.13            603         0              Normal
  11/03/2026 03 AM PST           11.13            603         0              Normal
  11/03/2026 04 AM PST           11.12            598         -              Normal
  11/03/2026 05 AM PST           11.12            598         0              Normal
  11/03/2026 06 AM PST           11.12            598         0              Normal
  11/03/2026 07 AM PST           11.12            598         0              Normal
  11/03/2026 08 AM PST           11.12            598         0              Normal
  11/03/2026 09 AM PST           11.12            598         0              Normal
  11/03/2026 10 AM PST           11.12            598         0              Normal
  11/03/2026 11 AM PST           11.12            598         0              Normal
  11/03/2026 12 PM PST           11.12            598         0              Normal
  11/03/2026 01 PM PST           11.12            598         0              Normal
  11/03/2026 02 PM PST           11.12            598         0              Normal
  11/03/2026 03 PM PST           11.12            598         0              Normal
  11/03/2026 04 PM PST           11.13            603         +              Normal
  11/03/2026 05 PM PST           11.13            603         0              Normal
  11/03/2026 06 PM PST           11.13            603         0              Normal
  11/03/2026 07 PM PST           11.13            603         0              Normal
  11/03/2026 08 PM PST           11.14            608         +              Normal
  11/03/2026 09 PM PST           11.14            608         0              Normal
  11/03/2026 10 PM PST           11.15            613         +              Normal
  11/03/2026 11 PM PST           11.16            618         +              Normal
  11/04/2026 12 AM PST           11.16            618         0              Normal
  11/04/2026 01 AM PST           11.17            623         +              Normal
  11/04/2026 02 AM PST           11.18            628         +              Normal
  11/04/2026 03 AM PST           11.18            628         0              Normal
  11/04/2026 04 AM PST           11.19            634         +              Normal
  11/04/2026 05 AM PST           11.20            639         +              Normal
  11/04/2026 06 AM PST           11.21            644         +              Normal
  11/04/2026 07 AM PST           11.22            649         +              Normal
  11/04/2026 08 AM PST           11.22            649         0              Normal
  11/04/2026 09 AM PST           11.23            654         +              Normal
  11/04/2026 10 AM PST           11.24            660         +              Normal
  11/04/2026 11 AM PST           11.24            660         0              Normal
  11/04/2026 12 PM PST           11.25            665         +              Normal
  11/04/2026 01 PM PST           11.25            665         0              Normal
  11/04/2026 02 PM PST           11.25            665         0              Normal
  11/04/2026 03 PM PST           11.24            660         -              Normal
  11/04/2026 04 PM PST           11.24            660         0              Normal
  11/04/2026 05 PM PST           11.24            660         0              Normal
  11/04/2026 06 PM PST           11.23            654         -              Normal
  11/04/2026 07 PM PST           11.23            654         0              Normal
  11/04/2026 08 PM PST           11.22            649         -              Normal
  11/04/2026 09 PM PST           11.21            644         -              Normal
  11/04/2026 10 PM PST           11.21            644         0              Normal
  11/04/2026 11 PM PST           11.20            639         -              Normal
  11/05/2026 12 AM PST           11.19            634         -              Normal
  11/05/2026 01 AM PST           11.19            634         0              Normal
  11/05/2026 02 AM PST           11.18            628         -              Normal
  11/05/2026 03 AM PST           11.18            628         0              Normal
  11/05/2026 04 AM PST           11.17            623         -              Normal
  11/05/2026 05 AM PST           11.17            623         0              Normal
  11/05/2026 06 AM PST           11.16            618         -              Normal
  11/05/2026 07 AM PST           11.16            618         0              Normal
  11/05/2026 08 AM PST           11.16            618         0              Normal
  11/05/2026 09 AM PST           11.16            618         0              Normal
  11/05/2026 10 AM PST           11.15            613         -              Normal
  11/05/2026 11 AM PST           11.15            613         0              Normal
  11/05/2026 12 PM PST           11.15            613         0              Normal
  11/05/2026 01 PM PST           11.15            613         0              Normal
  11/05/2026 02 PM PST           11.14            608         -              Normal
  11/05/2026 03 PM PST           11.14            608         0              Normal
  11/05/2026 04 PM PST           11.14            608         0              Normal
  11/05/2026 05 PM PST           11.14            608         0              Normal
  11/05/2026 06 PM PST           11.13            603         -              Normal
  11/05/2026 07 PM PST           11.13            603         0              Normal
  11/05/2026 08 PM PST           11.13            603         0              Normal
  11/05/2026 09 PM PST           11.13            603         0              Normal
  11/05/2026 10 PM PST           11.13            603         0              Normal
  11/05/2026 11 PM PST           11.13            603         0              Normal
  11/06/2026 12 AM PST           11.13            603         0              Normal
  11/06/2026 01 AM PST           11.12            598         -              Normal
  11/06/2026 02 AM PST           11.12            598         0              Normal
  11/06/2026 03 AM PST           11.12            598         0              Normal
  11/06/2026 04 AM PST           11.12            598         0              Normal
  11/06/2026 05 AM PST           11.12            598         0              Normal
  11/06/2026 06 AM PST           11.12            598         0              Normal
  11/06/2026 07 AM PST           11.12            598         0              Normal
  11/06/2026 08 AM PST           11.12            598         0              Normal
  11/06/2026 09 AM PST           11.12            598         0              Normal
  11/06/2026 10 AM PST           11.12            598         0              Normal
  11/06/2026 11 AM PST           11.12            598         0              Normal
  11/06/2026 12 PM PST           11.12            598         0              Normal
  11/06/2026 01 PM PST           11.12            598         0              Normal
  11/06/2026 02 PM PST           11.12            598         0              Normal
  11/06/2026 03 PM PST           11.12            598         0              Normal
  11/06/2026 04 PM PST           11.12            598         0              Normal
  11/06/2026 05 PM PST           11.12            598         0              Normal
  11/06/2026 06 PM PST           11.12            598         0              Normal
  11/06/2026 07 PM PST           11.12            598         0              Normal
  11/06/2026 08 PM PST           11.12            598         0              Normal
  11/06/2026 09 PM PST           11.12            598         0              Normal
  11/06/2026 10 PM PST           11.12            598         0              Normal
  11/06/2026 11 PM PST           11.11            593         -              Normal
  11/07/2026 12 AM PST           11.11            593         0              Normal
  11/07/2026 01 AM PST           11.11            593         0              Normal
  11/07/2026 02 AM PST           11.11            593         0              Normal
  11/07/2026 03 AM PST           11.11            593         0              Normal
  11/07/2026 04 AM PST           11.11            593         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.