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

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SAN JOAQUIN RIVER - VERNALIS (VNSC1)
Latitude: 37.68º NLongitude: 121.27º WElevation: 35 Feet
Location: San Joaquin County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jul 08 2025 at 7:41 AM PDTNext Issuance: Jul 09 2025 at 9:00 AM PDT
Action/Monitor: 24.5 FeetMinor Flood: 29.0 FeetModerate Flood: 32.0 FeetMajor Flood: 37.3 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Vernalis (VNSC1)
#
# File Generation Time:  07/08/2025 at 07:42 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/03/2025 at 08:00 AM PDT
# Maximum Observed Stage:                       7.57 Feet
# Maximum Observed Flow:                        776 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/08/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       7.14 Feet
# Maximum Forecast Flow:                        579 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/03/2025 07 AM PDT            7.57            776                        Normal
  07/03/2025 08 AM PDT            7.57            776         0              Normal
  07/03/2025 09 AM PDT            7.56            771         -              Normal
  07/03/2025 10 AM PDT            7.55            766         -              Normal
  07/03/2025 11 AM PDT            7.54            761         -              Normal
  07/03/2025 12 PM PDT            7.54            761         0              Normal
  07/03/2025 01 PM PDT            7.53            756         -              Normal
  07/03/2025 02 PM PDT            7.53            756         0              Normal
  07/03/2025 03 PM PDT            7.52            752         -              Normal
  07/03/2025 04 PM PDT            7.51            747         -              Normal
  07/03/2025 05 PM PDT            7.51            747         0              Normal
  07/03/2025 06 PM PDT            7.50            742         -              Normal
  07/03/2025 07 PM PDT            7.49            737         -              Normal
  07/03/2025 08 PM PDT            7.49            737         0              Normal
  07/03/2025 09 PM PDT            7.48            733         -              Normal
  07/03/2025 10 PM PDT            7.47            728         -              Normal
  07/03/2025 11 PM PDT            7.46            723         -              Normal
  07/04/2025 12 AM PDT            7.46            723         0              Normal
  07/04/2025 01 AM PDT            7.45            718         -              Normal
  07/04/2025 02 AM PDT            7.44            714         -              Normal
  07/04/2025 03 AM PDT            7.44            714         0              Normal
  07/04/2025 04 AM PDT            7.43            709         -              Normal
  07/04/2025 05 AM PDT            7.42            704         -              Normal
  07/04/2025 06 AM PDT            7.42            704         0              Normal
  07/04/2025 07 AM PDT            7.41            700         -              Normal
  07/04/2025 08 AM PDT            7.40            695         -              Normal
  07/04/2025 09 AM PDT            7.39            690         -              Normal
  07/04/2025 10 AM PDT            7.38            686         -              Normal
  07/04/2025 11 AM PDT            7.38            686         0              Normal
  07/04/2025 12 PM PDT            7.37            681         -              Normal
  07/04/2025 01 PM PDT            7.36            677         -              Normal
  07/04/2025 02 PM PDT            7.35            672         -              Normal
  07/04/2025 03 PM PDT            7.34            667         -              Normal
  07/04/2025 04 PM PDT            7.33            663         -              Normal
  07/04/2025 05 PM PDT            7.33            663         0              Normal
  07/04/2025 06 PM PDT            7.32            658         -              Normal
  07/04/2025 07 PM PDT            7.31            654         -              Normal
  07/04/2025 08 PM PDT            7.31            654         0              Normal
  07/04/2025 09 PM PDT            7.30            649         -              Normal
  07/04/2025 10 PM PDT            7.29            645         -              Normal
  07/04/2025 11 PM PDT            7.29            645         0              Normal
  07/05/2025 12 AM PDT            7.28            640         -              Normal
  07/05/2025 01 AM PDT            7.28            640         0              Normal
  07/05/2025 02 AM PDT            7.27            636         -              Normal
  07/05/2025 03 AM PDT            7.27            636         0              Normal
  07/05/2025 04 AM PDT            7.26            631         -              Normal
  07/05/2025 05 AM PDT            7.26            631         0              Normal
  07/05/2025 06 AM PDT            7.26            631         0              Normal
  07/05/2025 07 AM PDT            7.25            627         -              Normal
  07/05/2025 08 AM PDT            7.25            627         0              Normal
  07/05/2025 09 AM PDT            7.24            623         -              Normal
  07/05/2025 10 AM PDT            7.24            623         0              Normal
  07/05/2025 11 AM PDT            7.23            618         -              Normal
  07/05/2025 12 PM PDT            7.23            618         0              Normal
  07/05/2025 01 PM PDT            7.23            618         0              Normal
  07/05/2025 02 PM PDT            7.22            614         -              Normal
  07/05/2025 03 PM PDT            7.22            614         0              Normal
  07/05/2025 04 PM PDT            7.22            614         0              Normal
  07/05/2025 05 PM PDT            7.22            614         0              Normal
  07/05/2025 06 PM PDT            7.22            614         0              Normal
  07/05/2025 07 PM PDT            7.22            614         0              Normal
  07/05/2025 08 PM PDT            7.22            614         0              Normal
  07/05/2025 09 PM PDT            7.22            614         0              Normal
  07/05/2025 10 PM PDT            7.22            614         0              Normal
  07/05/2025 11 PM PDT            7.22            614         0              Normal
  07/06/2025 12 AM PDT            7.22            614         0              Normal
  07/06/2025 01 AM PDT            7.22            614         0              Normal
  07/06/2025 02 AM PDT            7.22            614         0              Normal
  07/06/2025 03 AM PDT            7.22            614         0              Normal
  07/06/2025 04 AM PDT            7.22            614         0              Normal
  07/06/2025 05 AM PDT            7.22            614         0              Normal
  07/06/2025 06 AM PDT            7.22            614         0              Normal
  07/06/2025 07 AM PDT            7.22            614         0              Normal
  07/06/2025 08 AM PDT            7.22            614         0              Normal
  07/06/2025 09 AM PDT            7.22            614         0              Normal
  07/06/2025 10 AM PDT            7.22            614         0              Normal
  07/06/2025 11 AM PDT            7.22            614         0              Normal
  07/06/2025 12 PM PDT            7.22            614         0              Normal
  07/06/2025 01 PM PDT            7.22            614         0              Normal
  07/06/2025 02 PM PDT            7.22            614         0              Normal
  07/06/2025 03 PM PDT            7.23            618         +              Normal
  07/06/2025 04 PM PDT            7.23            618         0              Normal
  07/06/2025 05 PM PDT            7.24            623         +              Normal
  07/06/2025 06 PM PDT            7.24            623         0              Normal
  07/06/2025 07 PM PDT            7.25            627         +              Normal
  07/06/2025 08 PM PDT            7.25            627         0              Normal
  07/06/2025 09 PM PDT            7.26            631         +              Normal
  07/06/2025 10 PM PDT            7.26            631         0              Normal
  07/06/2025 11 PM PDT            7.27            636         +              Normal
  07/07/2025 12 AM PDT            7.27            636         0              Normal
  07/07/2025 01 AM PDT            7.28            640         +              Normal
  07/07/2025 02 AM PDT            7.28            640         0              Normal
  07/07/2025 03 AM PDT            7.28            640         0              Normal
  07/07/2025 04 AM PDT            7.29            645         +              Normal
  07/07/2025 05 AM PDT            7.29            645         0              Normal
  07/07/2025 06 AM PDT            7.29            645         0              Normal
  07/07/2025 07 AM PDT            7.30            649         +              Normal
  07/07/2025 08 AM PDT            7.30            649         0              Normal
  07/07/2025 09 AM PDT            7.31            654         +              Normal
  07/07/2025 10 AM PDT            7.31            654         0              Normal
  07/07/2025 11 AM PDT            7.31            654         0              Normal
  07/07/2025 12 PM PDT            7.32            658         +              Normal
  07/07/2025 01 PM PDT            7.32            658         0              Normal
  07/07/2025 02 PM PDT            7.32            658         0              Normal
  07/07/2025 03 PM PDT            7.32            658         0              Normal
  07/07/2025 04 PM PDT            7.31            654         -              Normal
  07/07/2025 05 PM PDT            7.30            649         -              Normal
  07/07/2025 06 PM PDT            7.28            640         -              Normal
  07/07/2025 07 PM PDT            7.26            631         -              Normal
  07/07/2025 08 PM PDT            7.25            627         -              Normal
  07/07/2025 09 PM PDT            7.23            618         -              Normal
  07/07/2025 10 PM PDT            7.22            614         -              Normal
  07/07/2025 11 PM PDT            7.21            609         -              Normal
  07/08/2025 12 AM PDT            7.20            605         -              Normal
  07/08/2025 01 AM PDT            7.19            601         -              Normal
  07/08/2025 02 AM PDT            7.18            596         -              Normal
  07/08/2025 03 AM PDT            7.16            588         -              Normal
  07/08/2025 04 AM PDT            7.16            588         0              Normal
  07/08/2025 05 AM PDT            7.15            583         -              Normal
  07/08/2025 06 AM PDT            7.15            583         0              Normal
  07/08/2025 07 AM PDT            7.15            583         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/08/2025 08 AM PDT            7.14            579                        Normal
  07/08/2025 09 AM PDT            7.14            579         0              Normal
  07/08/2025 10 AM PDT            7.14            579         0              Normal
  07/08/2025 11 AM PDT            7.14            579         0              Normal
  07/08/2025 12 PM PDT            7.13            575         -              Normal
  07/08/2025 01 PM PDT            7.13            575         0              Normal
  07/08/2025 02 PM PDT            7.13            575         0              Normal
  07/08/2025 03 PM PDT            7.12            571         -              Normal
  07/08/2025 04 PM PDT            7.12            571         0              Normal
  07/08/2025 05 PM PDT            7.12            571         0              Normal
  07/08/2025 06 PM PDT            7.12            571         0              Normal
  07/08/2025 07 PM PDT            7.11            566         -              Normal
  07/08/2025 08 PM PDT            7.11            566         0              Normal
  07/08/2025 09 PM PDT            7.11            566         0              Normal
  07/08/2025 10 PM PDT            7.11            566         0              Normal
  07/08/2025 11 PM PDT            7.10            562         -              Normal
  07/09/2025 12 AM PDT            7.10            562         0              Normal
  07/09/2025 01 AM PDT            7.10            562         0              Normal
  07/09/2025 02 AM PDT            7.10            562         0              Normal
  07/09/2025 03 AM PDT            7.10            562         0              Normal
  07/09/2025 04 AM PDT            7.10            562         0              Normal
  07/09/2025 05 AM PDT            7.10            562         0              Normal
  07/09/2025 06 AM PDT            7.09            558         -              Normal
  07/09/2025 07 AM PDT            7.09            558         0              Normal
  07/09/2025 08 AM PDT            7.09            558         0              Normal
  07/09/2025 09 AM PDT            7.09            558         0              Normal
  07/09/2025 10 AM PDT            7.09            558         0              Normal
  07/09/2025 11 AM PDT            7.09            558         0              Normal
  07/09/2025 12 PM PDT            7.09            558         0              Normal
  07/09/2025 01 PM PDT            7.09            558         0              Normal
  07/09/2025 02 PM PDT            7.09            558         0              Normal
  07/09/2025 03 PM PDT            7.09            558         0              Normal
  07/09/2025 04 PM PDT            7.08            554         -              Normal
  07/09/2025 05 PM PDT            7.08            554         0              Normal
  07/09/2025 06 PM PDT            7.08            554         0              Normal
  07/09/2025 07 PM PDT            7.08            554         0              Normal
  07/09/2025 08 PM PDT            7.08            554         0              Normal
  07/09/2025 09 PM PDT            7.08            554         0              Normal
  07/09/2025 10 PM PDT            7.08            554         0              Normal
  07/09/2025 11 PM PDT            7.08            554         0              Normal
  07/10/2025 12 AM PDT            7.08            554         0              Normal
  07/10/2025 01 AM PDT            7.08            554         0              Normal
  07/10/2025 02 AM PDT            7.08            554         0              Normal
  07/10/2025 03 AM PDT            7.07            549         -              Normal
  07/10/2025 04 AM PDT            7.07            549         0              Normal
  07/10/2025 05 AM PDT            7.07            549         0              Normal
  07/10/2025 06 AM PDT            7.07            549         0              Normal
  07/10/2025 07 AM PDT            7.07            549         0              Normal
  07/10/2025 08 AM PDT            7.07            549         0              Normal
  07/10/2025 09 AM PDT            7.07            549         0              Normal
  07/10/2025 10 AM PDT            7.07            549         0              Normal
  07/10/2025 11 AM PDT            7.07            549         0              Normal
  07/10/2025 12 PM PDT            7.06            545         -              Normal
  07/10/2025 01 PM PDT            7.06            545         0              Normal
  07/10/2025 02 PM PDT            7.06            545         0              Normal
  07/10/2025 03 PM PDT            7.06            545         0              Normal
  07/10/2025 04 PM PDT            7.06            545         0              Normal
  07/10/2025 05 PM PDT            7.06            545         0              Normal
  07/10/2025 06 PM PDT            7.06            545         0              Normal
  07/10/2025 07 PM PDT            7.06            545         0              Normal
  07/10/2025 08 PM PDT            7.05            541         -              Normal
  07/10/2025 09 PM PDT            7.05            541         0              Normal
  07/10/2025 10 PM PDT            7.05            541         0              Normal
  07/10/2025 11 PM PDT            7.05            541         0              Normal
  07/11/2025 12 AM PDT            7.05            541         0              Normal
  07/11/2025 01 AM PDT            7.05            541         0              Normal
  07/11/2025 02 AM PDT            7.05            541         0              Normal
  07/11/2025 03 AM PDT            7.05            541         0              Normal
  07/11/2025 04 AM PDT            7.05            541         0              Normal
  07/11/2025 05 AM PDT            7.04            537         -              Normal
  07/11/2025 06 AM PDT            7.04            537         0              Normal
  07/11/2025 07 AM PDT            7.04            537         0              Normal
  07/11/2025 08 AM PDT            7.04            537         0              Normal
  07/11/2025 09 AM PDT            7.04            537         0              Normal
  07/11/2025 10 AM PDT            7.04            537         0              Normal
  07/11/2025 11 AM PDT            7.04            537         0              Normal
  07/11/2025 12 PM PDT            7.04            537         0              Normal
  07/11/2025 01 PM PDT            7.04            537         0              Normal
  07/11/2025 02 PM PDT            7.04            537         0              Normal
  07/11/2025 03 PM PDT            7.04            537         0              Normal
  07/11/2025 04 PM PDT            7.04            537         0              Normal
  07/11/2025 05 PM PDT            7.04            537         0              Normal
  07/11/2025 06 PM PDT            7.04            537         0              Normal
  07/11/2025 07 PM PDT            7.03            533         -              Normal
  07/11/2025 08 PM PDT            7.03            533         0              Normal
  07/11/2025 09 PM PDT            7.03            533         0              Normal
  07/11/2025 10 PM PDT            7.03            533         0              Normal
  07/11/2025 11 PM PDT            7.03            533         0              Normal
  07/12/2025 12 AM PDT            7.03            533         0              Normal
  07/12/2025 01 AM PDT            7.03            533         0              Normal
  07/12/2025 02 AM PDT            7.03            533         0              Normal
  07/12/2025 03 AM PDT            7.03            533         0              Normal
  07/12/2025 04 AM PDT            7.03            533         0              Normal
  07/12/2025 05 AM PDT            7.03            533         0              Normal
  07/12/2025 06 AM PDT            7.03            533         0              Normal
  07/12/2025 07 AM PDT            7.03            533         0              Normal
  07/12/2025 08 AM PDT            7.03            533         0              Normal
  07/12/2025 09 AM PDT            7.03            533         0              Normal
  07/12/2025 10 AM PDT            7.03            533         0              Normal
  07/12/2025 11 AM PDT            7.03            533         0              Normal
  07/12/2025 12 PM PDT            7.03            533         0              Normal
  07/12/2025 01 PM PDT            7.03            533         0              Normal
  07/12/2025 02 PM PDT            7.03            533         0              Normal
  07/12/2025 03 PM PDT            7.03            533         0              Normal
  07/12/2025 04 PM PDT            7.03            533         0              Normal
  07/12/2025 05 PM PDT            7.03            533         0              Normal
  07/12/2025 06 PM PDT            7.03            533         0              Normal
  07/12/2025 07 PM PDT            7.03            533         0              Normal
  07/12/2025 08 PM PDT            7.03            533         0              Normal
  07/12/2025 09 PM PDT            7.03            533         0              Normal
  07/12/2025 10 PM PDT            7.03            533         0              Normal
  07/12/2025 11 PM PDT            7.03            533         0              Normal
  07/13/2025 12 AM PDT            7.03            533         0              Normal
  07/13/2025 01 AM PDT            7.03            533         0              Normal
  07/13/2025 02 AM PDT            7.03            533         0              Normal
  07/13/2025 03 AM PDT            7.03            533         0              Normal
  07/13/2025 04 AM PDT            7.03            533         0              Normal
  07/13/2025 05 AM PDT            7.03            533         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.