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 CaliforniaRiver Group: San Joaquin
Issuance Time: Jan 30 2023 at 1:28 PM PSTNext Issuance: Jan 31 2023 at 9:00 AM PST
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:  01/30/2023 at 01:28 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/25/2023 at 01:00 PM PST
# Maximum Observed Stage:                       21.9 Feet
# Maximum Observed Flow:                        17471 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/30/2023 at 02:00 PM PST
# Maximum Forecast Stage:                       18.4 Feet
# Maximum Forecast Flow:                        11749 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/25/2023 01 PM PST            21.9          17471                        Normal
  01/25/2023 02 PM PST            21.9          17381         -              Normal
  01/25/2023 03 PM PST            21.9          17381         0              Normal
  01/25/2023 04 PM PST            21.9          17309         -              Normal
  01/25/2023 05 PM PST            21.8          17274         -              Normal
  01/25/2023 06 PM PST            21.8          17238         -              Normal
  01/25/2023 07 PM PST            21.8          17149         -              Normal
  01/25/2023 08 PM PST            21.8          17149         0              Normal
  01/25/2023 09 PM PST            21.7          17095         -              Normal
  01/25/2023 10 PM PST            21.7          17077         -              Normal
  01/25/2023 11 PM PST            21.7          16971         -              Normal
  01/26/2023 12 AM PST            21.7          16953         -              Normal
  01/26/2023 01 AM PST            21.7          16953         0              Normal
  01/26/2023 02 AM PST            21.6          16900         -              Normal
  01/26/2023 03 AM PST            21.6          16829         -              Normal
  01/26/2023 04 AM PST            21.6          16776         -              Normal
  01/26/2023 05 AM PST            21.5          16723         -              Normal
  01/26/2023 06 AM PST            21.5          16706         -              Normal
  01/26/2023 07 AM PST            21.5          16653         -              Normal
  01/26/2023 08 AM PST            21.5          16635         -              Normal
  01/26/2023 09 AM PST            21.5          16635         0              Normal
  01/26/2023 10 AM PST            21.4          16530         -              Normal
  01/26/2023 11 AM PST            21.4          16495         -              Normal
  01/26/2023 12 PM PST            21.4          16425         -              Normal
  01/26/2023 01 PM PST            21.4          16425         0              Normal
  01/26/2023 02 PM PST            21.3          16390         -              Normal
  01/26/2023 03 PM PST            21.3          16337         -              Normal
  01/26/2023 04 PM PST            21.3          16337         0              Normal
  01/26/2023 05 PM PST            21.3          16250         -              Normal
  01/26/2023 06 PM PST            21.3          16268         +              Normal
  01/26/2023 07 PM PST            21.2          16215         -              Normal
  01/26/2023 08 PM PST            21.2          16146         -              Normal
  01/26/2023 09 PM PST            21.2          16111         -              Normal
  01/26/2023 10 PM PST            21.2          16076         -              Normal
  01/26/2023 11 PM PST            21.1          16024         -              Normal
  01/27/2023 12 AM PST            21.1          16007         -              Normal
  01/27/2023 01 AM PST            21.1          15955         -              Normal
  01/27/2023 02 AM PST            21.1          15921         -              Normal
  01/27/2023 03 AM PST            21.1          15886         -              Normal
  01/27/2023 04 AM PST            21.0          15852         -              Normal
  01/27/2023 05 AM PST            21.0          15800         -              Normal
  01/27/2023 06 AM PST            21.0          15752         -              Normal
  01/27/2023 07 AM PST            21.0          15735         -              Normal
  01/27/2023 08 AM PST            20.9          15671         -              Normal
  01/27/2023 09 AM PST            20.8          15542         -              Normal
  01/27/2023 10 AM PST            20.9          15623         +              Normal
  01/27/2023 11 AM PST            20.9          15591         -              Normal
  01/27/2023 12 PM PST            20.8          15526         -              Normal
  01/27/2023 01 PM PST            20.8          15462         -              Normal
  01/27/2023 02 PM PST            20.8          15414         -              Normal
  01/27/2023 03 PM PST            20.7          15366         -              Normal
  01/27/2023 04 PM PST            20.7          15350         -              Normal
  01/27/2023 05 PM PST            20.7          15318         -              Normal
  01/27/2023 06 PM PST            20.7          15270         -              Normal
  01/27/2023 07 PM PST            20.6          15239         -              Normal
  01/27/2023 08 PM PST            20.6          15191         -              Normal
  01/27/2023 09 PM PST            20.6          15127         -              Normal
  01/27/2023 10 PM PST            20.6          15080         -              Normal
  01/27/2023 11 PM PST            20.5          15064         -              Normal
  01/28/2023 12 AM PST            20.5          14985         -              Normal
  01/28/2023 01 AM PST            20.5          14953         -              Normal
  01/28/2023 02 AM PST            20.4          14890         -              Normal
  01/28/2023 03 AM PST            20.4          14874         -              Normal
  01/28/2023 04 AM PST            20.4          14827         -              Normal
  01/28/2023 05 AM PST            20.4          14811         -              Normal
  01/28/2023 06 AM PST            20.3          14732         -              Normal
  01/28/2023 07 AM PST            20.3          14685         -              Normal
  01/28/2023 08 AM PST            20.3          14638         -              Normal
  01/28/2023 09 AM PST            20.2          14591         -              Normal
  01/28/2023 10 AM PST            20.2          14544         -              Normal
  01/28/2023 11 AM PST            20.2          14497         -              Normal
  01/28/2023 12 PM PST            20.1          14435         -              Normal
  01/28/2023 01 PM PST            20.1          14419         -              Normal
  01/28/2023 02 PM PST            20.1          14326         -              Normal
  01/28/2023 03 PM PST            20.1          14310         -              Normal
  01/28/2023 04 PM PST            20.0          14217         -              Normal
  01/28/2023 05 PM PST            20.0          14171         -              Normal
  01/28/2023 06 PM PST            19.9          14109         -              Normal
  01/28/2023 07 PM PST            19.9          14078         -              Normal
  01/28/2023 08 PM PST            19.9          14001         -              Normal
  01/28/2023 09 PM PST            19.8          13939         -              Normal
  01/28/2023 10 PM PST            19.8          13893         -              Normal
  01/28/2023 11 PM PST            19.8          13862         -              Normal
  01/29/2023 12 AM PST            19.7          13770         -              Normal
  01/29/2023 01 AM PST            19.7          13724         -              Normal
  01/29/2023 02 AM PST            19.6          13648         -              Normal
  01/29/2023 03 AM PST            19.6          13602         -              Normal
  01/29/2023 04 AM PST            19.6          13557         -              Normal
  01/29/2023 05 AM PST            19.5          13511         -              Normal
  01/29/2023 06 AM PST            19.5          13450         -              Normal
  01/29/2023 07 AM PST            19.5          13390         -              Normal
  01/29/2023 08 AM PST            19.4          13329         -              Normal
  01/29/2023 09 AM PST            19.4          13254         -              Normal
  01/29/2023 10 AM PST            19.4          13269         +              Normal
  01/29/2023 11 AM PST            19.3          13193         -              Normal
  01/29/2023 12 PM PST            19.3          13118         -              Normal
  01/29/2023 01 PM PST            19.3          13088         -              Normal
  01/29/2023 02 PM PST            19.2          13028         -              Normal
  01/29/2023 03 PM PST            19.2          12983         -              Normal
  01/29/2023 04 PM PST            19.1          12908         -              Normal
  01/29/2023 05 PM PST            19.1          12879         -              Normal
  01/29/2023 06 PM PST            19.1          12789         -              Normal
  01/29/2023 07 PM PST            19.0          12745         -              Normal
  01/29/2023 08 PM PST            19.0          12715         -              Normal
  01/29/2023 09 PM PST            19.0          12654         -              Normal
  01/29/2023 10 PM PST            18.9          12548         -              Normal
  01/29/2023 11 PM PST            18.9          12578         +              Normal
  01/30/2023 12 AM PST            18.9          12472         -              Normal
  01/30/2023 01 AM PST            18.8          12427         -              Normal
  01/30/2023 02 AM PST            18.8          12382         -              Normal
  01/30/2023 03 AM PST            18.8          12337         -              Normal
  01/30/2023 04 AM PST            18.7          12262         -              Normal
  01/30/2023 05 AM PST            18.7          12217         -              Normal
  01/30/2023 06 AM PST            18.7          12187         -              Normal
  01/30/2023 07 AM PST            18.6          12127         -              Normal
  01/30/2023 08 AM PST            18.6          12082         -              Normal
  01/30/2023 09 AM PST            18.6          12022         -              Normal
  01/30/2023 10 AM PST            18.5          11978         -              Normal
  01/30/2023 11 AM PST            18.5          11876         -              Normal
  01/30/2023 12 PM PST            18.4          11839         -              Normal
  01/30/2023 01 PM PST            18.4          11785         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/30/2023 02 PM PST            18.4          11749                        Normal
  01/30/2023 03 PM PST            18.4          11713         -              Normal
  01/30/2023 04 PM PST            18.4          11678         -              Normal
  01/30/2023 05 PM PST            18.3          11624         -              Normal
  01/30/2023 06 PM PST            18.3          11588         -              Normal
  01/30/2023 07 PM PST            18.3          11552         -              Normal
  01/30/2023 08 PM PST            18.3          11517         -              Normal
  01/30/2023 09 PM PST            18.2          11463         -              Normal
  01/30/2023 10 PM PST            18.2          11428         -              Normal
  01/30/2023 11 PM PST            18.2          11392         -              Normal
  01/31/2023 12 AM PST            18.2          11356         -              Normal
  01/31/2023 01 AM PST            18.1          11303         -              Normal
  01/31/2023 02 AM PST            18.1          11268         -              Normal
  01/31/2023 03 AM PST            18.1          11233         -              Normal
  01/31/2023 04 AM PST            18.1          11197         -              Normal
  01/31/2023 05 AM PST            18.1          11162         -              Normal
  01/31/2023 06 AM PST            18.0          11127         -              Normal
  01/31/2023 07 AM PST            18.0          11074         -              Normal
  01/31/2023 08 AM PST            18.0          11039         -              Normal
  01/31/2023 09 AM PST            18.0          11004         -              Normal
  01/31/2023 10 AM PST            17.9          10969         -              Normal
  01/31/2023 11 AM PST            17.9          10934         -              Normal
  01/31/2023 12 PM PST            17.9          10899         -              Normal
  01/31/2023 01 PM PST            17.9          10864         -              Normal
  01/31/2023 02 PM PST            17.9          10812         -              Normal
  01/31/2023 03 PM PST            17.8          10777         -              Normal
  01/31/2023 04 PM PST            17.8          10742         -              Normal
  01/31/2023 05 PM PST            17.8          10708         -              Normal
  01/31/2023 06 PM PST            17.8          10656         -              Normal
  01/31/2023 07 PM PST            17.8          10621         -              Normal
  01/31/2023 08 PM PST            17.7          10587         -              Normal
  01/31/2023 09 PM PST            17.7          10552         -              Normal
  01/31/2023 10 PM PST            17.7          10501         -              Normal
  01/31/2023 11 PM PST            17.7          10465         -              Normal
  02/01/2023 12 AM PST            17.6          10430         -              Normal
  02/01/2023 01 AM PST            17.6          10395         -              Normal
  02/01/2023 02 AM PST            17.6          10360         -              Normal
  02/01/2023 03 AM PST            17.6          10324         -              Normal
  02/01/2023 04 AM PST            17.6          10289         -              Normal
  02/01/2023 05 AM PST            17.5          10254         -              Normal
  02/01/2023 06 AM PST            17.5          10219         -              Normal
  02/01/2023 07 AM PST            17.5          10184         -              Normal
  02/01/2023 08 AM PST            17.5          10149         -              Normal
  02/01/2023 09 AM PST            17.5          10114         -              Normal
  02/01/2023 10 AM PST            17.4          10080         -              Normal
  02/01/2023 11 AM PST            17.4          10027         -              Normal
  02/01/2023 12 PM PST            17.4           9993         -              Normal
  02/01/2023 01 PM PST            17.4           9958         -              Normal
  02/01/2023 02 PM PST            17.4           9923         -              Normal
  02/01/2023 03 PM PST            17.3           9889         -              Normal
  02/01/2023 04 PM PST            17.3           9854         -              Normal
  02/01/2023 05 PM PST            17.3           9837         -              Normal
  02/01/2023 06 PM PST            17.3           9803         -              Normal
  02/01/2023 07 PM PST            17.3           9768         -              Normal
  02/01/2023 08 PM PST            17.2           9734         -              Normal
  02/01/2023 09 PM PST            17.2           9700         -              Normal
  02/01/2023 10 PM PST            17.2           9666         -              Normal
  02/01/2023 11 PM PST            17.2           9631         -              Normal
  02/02/2023 12 AM PST            17.2           9597         -              Normal
  02/02/2023 01 AM PST            17.1           9563         -              Normal
  02/02/2023 02 AM PST            17.1           9529         -              Normal
  02/02/2023 03 AM PST            17.1           9495         -              Normal
  02/02/2023 04 AM PST            17.1           9461         -              Normal
  02/02/2023 05 AM PST            17.1           9444         -              Normal
  02/02/2023 06 AM PST            17.1           9411         -              Normal
  02/02/2023 07 AM PST            17.0           9377         -              Normal
  02/02/2023 08 AM PST            17.0           9343         -              Normal
  02/02/2023 09 AM PST            17.0           9309         -              Normal
  02/02/2023 10 AM PST            17.0           9276         -              Normal
  02/02/2023 11 AM PST            16.9           9242         -              Normal
  02/02/2023 12 PM PST            16.9           9225         -              Normal
  02/02/2023 01 PM PST            16.9           9192         -              Normal
  02/02/2023 02 PM PST            16.9           9158         -              Normal
  02/02/2023 03 PM PST            16.9           9125         -              Normal
  02/02/2023 04 PM PST            16.9           9092         -              Normal
  02/02/2023 05 PM PST            16.9           9075         -              Normal
  02/02/2023 06 PM PST            16.8           9042         -              Normal
  02/02/2023 07 PM PST            16.8           9009         -              Normal
  02/02/2023 08 PM PST            16.8           8975         -              Normal
  02/02/2023 09 PM PST            16.8           8959         -              Normal
  02/02/2023 10 PM PST            16.8           8926         -              Normal
  02/02/2023 11 PM PST            16.7           8893         -              Normal
  02/03/2023 12 AM PST            16.7           8860         -              Normal
  02/03/2023 01 AM PST            16.7           8843         -              Normal
  02/03/2023 02 AM PST            16.7           8810         -              Normal
  02/03/2023 03 AM PST            16.7           8778         -              Normal
  02/03/2023 04 AM PST            16.7           8761         -              Normal
  02/03/2023 05 AM PST            16.6           8728         -              Normal
  02/03/2023 06 AM PST            16.6           8696         -              Normal
  02/03/2023 07 AM PST            16.6           8679         -              Normal
  02/03/2023 08 AM PST            16.6           8647         -              Normal
  02/03/2023 09 AM PST            16.6           8630         -              Normal
  02/03/2023 10 AM PST            16.6           8598         -              Normal
  02/03/2023 11 AM PST            16.5           8565         -              Normal
  02/03/2023 12 PM PST            16.5           8549         -              Normal
  02/03/2023 01 PM PST            16.5           8517         -              Normal
  02/03/2023 02 PM PST            16.5           8500         -              Normal
  02/03/2023 03 PM PST            16.5           8468         -              Normal
  02/03/2023 04 PM PST            16.5           8452         -              Normal
  02/03/2023 05 PM PST            16.4           8420         -              Normal
  02/03/2023 06 PM PST            16.4           8403         -              Normal
  02/03/2023 07 PM PST            16.4           8371         -              Normal
  02/03/2023 08 PM PST            16.4           8355         -              Normal
  02/03/2023 09 PM PST            16.4           8323         -              Normal
  02/03/2023 10 PM PST            16.4           8307         -              Normal
  02/03/2023 11 PM PST            16.4           8291         -              Normal
  02/04/2023 12 AM PST            16.4           8259         -              Normal
  02/04/2023 01 AM PST            16.3           8243         -              Normal
  02/04/2023 02 AM PST            16.3           8211         -              Normal
  02/04/2023 03 AM PST            16.3           8195         -              Normal
  02/04/2023 04 AM PST            16.3           8179         -              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.