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: Sep 22 2023 at 8:18 AM PDTNext Issuance: Sep 23 2023 at 9:00 AM PDT
Monitor Stage: 24.5 FeetFlood Stage: 29.0 FeetDanger Stage: 29.5 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Vernalis (VNSC1)
#
# File Generation Time:  09/22/2023 at 08:19 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/18/2023 at 09:00 AM PDT
# Maximum Observed Stage:                       11.1 Feet
# Maximum Observed Flow:                        1980 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/26/2023 at 04:00 PM PDT
# Maximum Forecast Stage:                       10.8 Feet
# Maximum Forecast Flow:                        1761 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/17/2023 08 AM PDT            11.1           1930                        Normal
  09/17/2023 09 AM PDT            11.1           1937         +              Normal
  09/17/2023 10 AM PDT            11.1           1937         0              Normal
  09/17/2023 11 AM PDT            11.1           1930         -              Normal
  09/17/2023 12 PM PDT            11.1           1930         0              Normal
  09/17/2023 01 PM PDT            11.1           1930         0              Normal
  09/17/2023 02 PM PDT            11.1           1923         -              Normal
  09/17/2023 03 PM PDT            11.1           1923         0              Normal
  09/17/2023 04 PM PDT            11.1           1916         -              Normal
  09/17/2023 05 PM PDT            11.1           1916         0              Normal
  09/17/2023 06 PM PDT            11.1           1916         0              Normal
  09/17/2023 07 PM PDT            11.1           1923         +              Normal
  09/17/2023 08 PM PDT            11.1           1923         0              Normal
  09/17/2023 09 PM PDT            11.1           1923         0              Normal
  09/17/2023 10 PM PDT            11.1           1923         0              Normal
  09/17/2023 11 PM PDT            11.1           1930         +              Normal
  09/18/2023 12 AM PDT            11.1           1930         0              Normal
  09/18/2023 01 AM PDT            11.1           1937         +              Normal
  09/18/2023 02 AM PDT            11.1           1944         +              Normal
  09/18/2023 03 AM PDT            11.1           1951         +              Normal
  09/18/2023 04 AM PDT            11.1           1966         +              Normal
  09/18/2023 05 AM PDT            11.1           1973         +              Normal
  09/18/2023 06 AM PDT            11.1           1980         +              Normal
  09/18/2023 07 AM PDT            11.1           1980         0              Normal
  09/18/2023 08 AM PDT            11.1           1980         0              Normal
  09/18/2023 09 AM PDT            11.1           1980         0              Normal
  09/18/2023 10 AM PDT            11.1           1973         -              Normal
  09/18/2023 11 AM PDT            11.1           1966         -              Normal
  09/18/2023 12 PM PDT            11.1           1959         -              Normal
  09/18/2023 01 PM PDT            11.1           1951         -              Normal
  09/18/2023 02 PM PDT            11.1           1944         -              Normal
  09/18/2023 03 PM PDT            11.1           1930         -              Normal
  09/18/2023 04 PM PDT            11.1           1923         -              Normal
  09/18/2023 05 PM PDT            11.0           1908         -              Normal
  09/18/2023 06 PM PDT            11.0           1901         -              Normal
  09/18/2023 07 PM PDT            11.0           1901         0              Normal
  09/18/2023 08 PM PDT            11.0           1901         0              Normal
  09/18/2023 09 PM PDT            11.0           1901         0              Normal
  09/18/2023 10 PM PDT            11.0           1901         0              Normal
  09/18/2023 11 PM PDT            11.0           1901         0              Normal
  09/19/2023 12 AM PDT            11.0           1901         0              Normal
  09/19/2023 01 AM PDT            11.0           1901         0              Normal
  09/19/2023 02 AM PDT            11.0           1901         0              Normal
  09/19/2023 03 AM PDT            11.0           1901         0              Normal
  09/19/2023 04 AM PDT            11.0           1901         0              Normal
  09/19/2023 05 AM PDT            11.0           1901         0              Normal
  09/19/2023 06 AM PDT            11.0           1894         -              Normal
  09/19/2023 07 AM PDT            11.0           1887         -              Normal
  09/19/2023 08 AM PDT            11.0           1873         -              Normal
  09/19/2023 09 AM PDT            11.0           1859         -              Normal
  09/19/2023 10 AM PDT            11.0           1852         -              Normal
  09/19/2023 11 AM PDT            10.9           1838         -              Normal
  09/19/2023 12 PM PDT            10.9           1831         -              Normal
  09/19/2023 01 PM PDT            10.9           1831         0              Normal
  09/19/2023 02 PM PDT            10.9           1817         -              Normal
  09/19/2023 03 PM PDT            10.9           1810         -              Normal
  09/19/2023 04 PM PDT            10.9           1810         0              Normal
  09/19/2023 05 PM PDT            10.9           1803         -              Normal
  09/19/2023 06 PM PDT            10.9           1796         -              Normal
  09/19/2023 07 PM PDT            10.9           1796         0              Normal
  09/19/2023 08 PM PDT            10.9           1789         -              Normal
  09/19/2023 09 PM PDT            10.9           1789         0              Normal
  09/19/2023 10 PM PDT            10.9           1789         0              Normal
  09/19/2023 11 PM PDT            10.9           1782         -              Normal
  09/20/2023 12 AM PDT            10.9           1782         0              Normal
  09/20/2023 01 AM PDT            10.9           1782         0              Normal
  09/20/2023 02 AM PDT            10.9           1789         +              Normal
  09/20/2023 03 AM PDT            10.9           1789         0              Normal
  09/20/2023 04 AM PDT            10.9           1782         -              Normal
  09/20/2023 05 AM PDT            10.9           1782         0              Normal
  09/20/2023 06 AM PDT            10.8           1775         -              Normal
  09/20/2023 07 AM PDT            10.8           1775         0              Normal
  09/20/2023 08 AM PDT            10.8           1768         -              Normal
  09/20/2023 09 AM PDT            10.8           1768         0              Normal
  09/20/2023 10 AM PDT            10.8           1761         -              Normal
  09/20/2023 11 AM PDT            10.8           1761         0              Normal
  09/20/2023 12 PM PDT            10.8           1754         -              Normal
  09/20/2023 01 PM PDT            10.8           1754         0              Normal
  09/20/2023 02 PM PDT            10.8           1747         -              Normal
  09/20/2023 03 PM PDT            10.8           1740         -              Normal
  09/20/2023 04 PM PDT            10.8           1734         -              Normal
  09/20/2023 05 PM PDT            10.8           1727         -              Normal
  09/20/2023 06 PM PDT            10.8           1727         0              Normal
  09/20/2023 07 PM PDT            10.8           1720         -              Normal
  09/20/2023 08 PM PDT            10.8           1720         0              Normal
  09/20/2023 09 PM PDT            10.8           1713         -              Normal
  09/20/2023 10 PM PDT            10.8           1713         0              Normal
  09/20/2023 11 PM PDT            10.8           1720         +              Normal
  09/21/2023 12 AM PDT            10.8           1720         0              Normal
  09/21/2023 01 AM PDT            10.8           1720         0              Normal
  09/21/2023 02 AM PDT            10.8           1720         0              Normal
  09/21/2023 03 AM PDT            10.8           1720         0              Normal
  09/21/2023 04 AM PDT            10.8           1720         0              Normal
  09/21/2023 05 AM PDT            10.8           1720         0              Normal
  09/21/2023 06 AM PDT            10.8           1720         0              Normal
  09/21/2023 07 AM PDT            10.8           1720         0              Normal
  09/21/2023 08 AM PDT            10.8           1727         +              Normal
  09/21/2023 09 AM PDT            10.8           1720         -              Normal
  09/21/2023 10 AM PDT            10.8           1720         0              Normal
  09/21/2023 11 AM PDT            10.8           1727         +              Normal
  09/21/2023 12 PM PDT            10.8           1727         0              Normal
  09/21/2023 01 PM PDT            10.8           1727         0              Normal
  09/21/2023 02 PM PDT            10.8           1727         0              Normal
  09/21/2023 03 PM PDT            10.8           1720         -              Normal
  09/21/2023 04 PM PDT            10.8           1727         +              Normal
  09/21/2023 05 PM PDT            10.8           1727         0              Normal
  09/21/2023 06 PM PDT            10.8           1727         0              Normal
  09/21/2023 07 PM PDT            10.8           1720         -              Normal
  09/21/2023 08 PM PDT            10.8           1720         0              Normal
  09/21/2023 09 PM PDT            10.8           1720         0              Normal
  09/21/2023 10 PM PDT            10.8           1720         0              Normal
  09/21/2023 11 PM PDT            10.8           1720         0              Normal
  09/22/2023 12 AM PDT            10.8           1713         -              Normal
  09/22/2023 01 AM PDT            10.8           1713         0              Normal
  09/22/2023 02 AM PDT            10.8           1706         -              Normal
  09/22/2023 03 AM PDT            10.8           1706         0              Normal
  09/22/2023 04 AM PDT            10.8           1713         +              Normal
  09/22/2023 05 AM PDT            10.8           1713         0              Normal
  09/22/2023 06 AM PDT            10.8           1713         0              Normal
  09/22/2023 07 AM PDT            10.8           1713         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/22/2023 08 AM PDT            10.8           1713                        Normal
  09/22/2023 09 AM PDT            10.8           1706         -              Normal
  09/22/2023 10 AM PDT            10.8           1706         0              Normal
  09/22/2023 11 AM PDT            10.8           1706         0              Normal
  09/22/2023 12 PM PDT            10.8           1706         0              Normal
  09/22/2023 01 PM PDT            10.8           1706         0              Normal
  09/22/2023 02 PM PDT            10.8           1706         0              Normal
  09/22/2023 03 PM PDT            10.8           1706         0              Normal
  09/22/2023 04 PM PDT            10.8           1706         0              Normal
  09/22/2023 05 PM PDT            10.8           1706         0              Normal
  09/22/2023 06 PM PDT            10.8           1706         0              Normal
  09/22/2023 07 PM PDT            10.8           1706         0              Normal
  09/22/2023 08 PM PDT            10.8           1706         0              Normal
  09/22/2023 09 PM PDT            10.8           1706         0              Normal
  09/22/2023 10 PM PDT            10.8           1706         0              Normal
  09/22/2023 11 PM PDT            10.8           1706         0              Normal
  09/23/2023 12 AM PDT            10.8           1706         0              Normal
  09/23/2023 01 AM PDT            10.8           1706         0              Normal
  09/23/2023 02 AM PDT            10.8           1713         +              Normal
  09/23/2023 03 AM PDT            10.8           1713         0              Normal
  09/23/2023 04 AM PDT            10.8           1713         0              Normal
  09/23/2023 05 AM PDT            10.8           1713         0              Normal
  09/23/2023 06 AM PDT            10.8           1713         0              Normal
  09/23/2023 07 AM PDT            10.8           1713         0              Normal
  09/23/2023 08 AM PDT            10.8           1713         0              Normal
  09/23/2023 09 AM PDT            10.8           1713         0              Normal
  09/23/2023 10 AM PDT            10.8           1713         0              Normal
  09/23/2023 11 AM PDT            10.8           1713         0              Normal
  09/23/2023 12 PM PDT            10.8           1720         +              Normal
  09/23/2023 01 PM PDT            10.8           1720         0              Normal
  09/23/2023 02 PM PDT            10.8           1720         0              Normal
  09/23/2023 03 PM PDT            10.8           1720         0              Normal
  09/23/2023 04 PM PDT            10.8           1720         0              Normal
  09/23/2023 05 PM PDT            10.8           1720         0              Normal
  09/23/2023 06 PM PDT            10.8           1720         0              Normal
  09/23/2023 07 PM PDT            10.8           1720         0              Normal
  09/23/2023 08 PM PDT            10.8           1720         0              Normal
  09/23/2023 09 PM PDT            10.8           1720         0              Normal
  09/23/2023 10 PM PDT            10.8           1727         +              Normal
  09/23/2023 11 PM PDT            10.8           1727         0              Normal
  09/24/2023 12 AM PDT            10.8           1727         0              Normal
  09/24/2023 01 AM PDT            10.8           1727         0              Normal
  09/24/2023 02 AM PDT            10.8           1727         0              Normal
  09/24/2023 03 AM PDT            10.8           1727         0              Normal
  09/24/2023 04 AM PDT            10.8           1727         0              Normal
  09/24/2023 05 AM PDT            10.8           1727         0              Normal
  09/24/2023 06 AM PDT            10.8           1727         0              Normal
  09/24/2023 07 AM PDT            10.8           1734         +              Normal
  09/24/2023 08 AM PDT            10.8           1734         0              Normal
  09/24/2023 09 AM PDT            10.8           1734         0              Normal
  09/24/2023 10 AM PDT            10.8           1734         0              Normal
  09/24/2023 11 AM PDT            10.8           1734         0              Normal
  09/24/2023 12 PM PDT            10.8           1734         0              Normal
  09/24/2023 01 PM PDT            10.8           1734         0              Normal
  09/24/2023 02 PM PDT            10.8           1734         0              Normal
  09/24/2023 03 PM PDT            10.8           1734         0              Normal
  09/24/2023 04 PM PDT            10.8           1734         0              Normal
  09/24/2023 05 PM PDT            10.8           1734         0              Normal
  09/24/2023 06 PM PDT            10.8           1740         +              Normal
  09/24/2023 07 PM PDT            10.8           1740         0              Normal
  09/24/2023 08 PM PDT            10.8           1740         0              Normal
  09/24/2023 09 PM PDT            10.8           1740         0              Normal
  09/24/2023 10 PM PDT            10.8           1740         0              Normal
  09/24/2023 11 PM PDT            10.8           1740         0              Normal
  09/25/2023 12 AM PDT            10.8           1740         0              Normal
  09/25/2023 01 AM PDT            10.8           1740         0              Normal
  09/25/2023 02 AM PDT            10.8           1740         0              Normal
  09/25/2023 03 AM PDT            10.8           1740         0              Normal
  09/25/2023 04 AM PDT            10.8           1740         0              Normal
  09/25/2023 05 AM PDT            10.8           1740         0              Normal
  09/25/2023 06 AM PDT            10.8           1747         +              Normal
  09/25/2023 07 AM PDT            10.8           1747         0              Normal
  09/25/2023 08 AM PDT            10.8           1747         0              Normal
  09/25/2023 09 AM PDT            10.8           1747         0              Normal
  09/25/2023 10 AM PDT            10.8           1747         0              Normal
  09/25/2023 11 AM PDT            10.8           1747         0              Normal
  09/25/2023 12 PM PDT            10.8           1747         0              Normal
  09/25/2023 01 PM PDT            10.8           1747         0              Normal
  09/25/2023 02 PM PDT            10.8           1747         0              Normal
  09/25/2023 03 PM PDT            10.8           1747         0              Normal
  09/25/2023 04 PM PDT            10.8           1747         0              Normal
  09/25/2023 05 PM PDT            10.8           1747         0              Normal
  09/25/2023 06 PM PDT            10.8           1747         0              Normal
  09/25/2023 07 PM PDT            10.8           1747         0              Normal
  09/25/2023 08 PM PDT            10.8           1747         0              Normal
  09/25/2023 09 PM PDT            10.8           1754         +              Normal
  09/25/2023 10 PM PDT            10.8           1754         0              Normal
  09/25/2023 11 PM PDT            10.8           1754         0              Normal
  09/26/2023 12 AM PDT            10.8           1754         0              Normal
  09/26/2023 01 AM PDT            10.8           1754         0              Normal
  09/26/2023 02 AM PDT            10.8           1754         0              Normal
  09/26/2023 03 AM PDT            10.8           1754         0              Normal
  09/26/2023 04 AM PDT            10.8           1754         0              Normal
  09/26/2023 05 AM PDT            10.8           1754         0              Normal
  09/26/2023 06 AM PDT            10.8           1754         0              Normal
  09/26/2023 07 AM PDT            10.8           1754         0              Normal
  09/26/2023 08 AM PDT            10.8           1754         0              Normal
  09/26/2023 09 AM PDT            10.8           1754         0              Normal
  09/26/2023 10 AM PDT            10.8           1754         0              Normal
  09/26/2023 11 AM PDT            10.8           1754         0              Normal
  09/26/2023 12 PM PDT            10.8           1754         0              Normal
  09/26/2023 01 PM PDT            10.8           1754         0              Normal
  09/26/2023 02 PM PDT            10.8           1754         0              Normal
  09/26/2023 03 PM PDT            10.8           1754         0              Normal
  09/26/2023 04 PM PDT            10.8           1761         +              Normal
  09/26/2023 05 PM PDT            10.8           1761         0              Normal
  09/26/2023 06 PM PDT            10.8           1761         0              Normal
  09/26/2023 07 PM PDT            10.8           1761         0              Normal
  09/26/2023 08 PM PDT            10.8           1761         0              Normal
  09/26/2023 09 PM PDT            10.8           1761         0              Normal
  09/26/2023 10 PM PDT            10.8           1761         0              Normal
  09/26/2023 11 PM PDT            10.8           1761         0              Normal
  09/27/2023 12 AM PDT            10.8           1761         0              Normal
  09/27/2023 01 AM PDT            10.8           1761         0              Normal
  09/27/2023 02 AM PDT            10.8           1761         0              Normal
  09/27/2023 03 AM PDT            10.8           1761         0              Normal
  09/27/2023 04 AM PDT            10.8           1761         0              Normal
  09/27/2023 05 AM PDT            10.8           1761         0              Normal
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) 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.