SAN JOAQUIN RIVER - VERNALIS (VNSC1)
Latitude: 37.68º NLongitude: 121.27º WElevation: 35 FeetForecast Type: Official Location
Location: San Joaquin County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Nov 11 2026 at 8:02 AM PSTNext Issuance: Nov 12 2026 at 9:00 AM PST
Action: 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:  11/11/2026 at 08:02 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/08/2026 at 09:00 PM PST
# Maximum Observed Stage:                       8.35 Feet
# Maximum Observed Flow:                        1235 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/15/2026 at 04:00 PM PST
# Maximum Forecast Stage:                       8.14 Feet
# Maximum Forecast Flow:                        1113 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/06/2026 08 AM PST            8.29           1200                        Normal
  11/06/2026 09 AM PST            8.29           1200         0              Normal
  11/06/2026 10 AM PST            8.29           1200         0              Normal
  11/06/2026 11 AM PST            8.26           1182         -              Normal
  11/06/2026 12 PM PST            8.26           1182         0              Normal
  11/06/2026 01 PM PST            8.26           1182         0              Normal
  11/06/2026 02 PM PST            8.24           1170         -              Normal
  11/06/2026 03 PM PST            8.24           1170         0              Normal
  11/06/2026 04 PM PST            8.25           1176         +              Normal
  11/06/2026 05 PM PST            8.26           1182         +              Normal
  11/06/2026 06 PM PST            8.26           1182         0              Normal
  11/06/2026 07 PM PST            8.25           1176         -              Normal
  11/06/2026 08 PM PST            8.25           1176         0              Normal
  11/06/2026 09 PM PST            8.26           1182         +              Normal
  11/06/2026 10 PM PST            8.26           1182         0              Normal
  11/06/2026 11 PM PST            8.26           1182         0              Normal
  11/07/2026 12 AM PST            8.25           1176         -              Normal
  11/07/2026 01 AM PST            8.25           1176         0              Normal
  11/07/2026 02 AM PST            8.25           1176         0              Normal
  11/07/2026 03 AM PST            8.25           1176         0              Normal
  11/07/2026 04 AM PST            8.25           1176         0              Normal
  11/07/2026 05 AM PST            8.24           1170         -              Normal
  11/07/2026 06 AM PST            8.24           1170         0              Normal
  11/07/2026 07 AM PST            8.24           1170         0              Normal
  11/07/2026 08 AM PST            8.24           1170         0              Normal
  11/07/2026 09 AM PST            8.24           1170         0              Normal
  11/07/2026 10 AM PST            8.24           1170         0              Normal
  11/07/2026 11 AM PST            8.24           1170         0              Normal
  11/07/2026 12 PM PST            8.24           1170         0              Normal
  11/07/2026 01 PM PST            8.25           1176         +              Normal
  11/07/2026 02 PM PST            8.26           1182         +              Normal
  11/07/2026 03 PM PST            8.26           1182         0              Normal
  11/07/2026 04 PM PST            8.27           1188         +              Normal
  11/07/2026 05 PM PST            8.27           1188         0              Normal
  11/07/2026 06 PM PST            8.27           1188         0              Normal
  11/07/2026 07 PM PST            8.28           1194         +              Normal
  11/07/2026 08 PM PST            8.29           1200         +              Normal
  11/07/2026 09 PM PST            8.30           1205         +              Normal
  11/07/2026 10 PM PST            8.30           1205         0              Normal
  11/07/2026 11 PM PST            8.31           1211         +              Normal
  11/08/2026 12 AM PST            8.32           1217         +              Normal
  11/08/2026 01 AM PST            8.32           1217         0              Normal
  11/08/2026 02 AM PST            8.32           1217         0              Normal
  11/08/2026 03 AM PST            8.33           1223         +              Normal
  11/08/2026 04 AM PST            8.33           1223         0              Normal
  11/08/2026 05 AM PST            8.33           1223         0              Normal
  11/08/2026 06 AM PST            8.34           1229         +              Normal
  11/08/2026 07 AM PST            8.34           1229         0              Normal
  11/08/2026 08 AM PST            8.34           1229         0              Normal
  11/08/2026 09 AM PST            8.32           1217         -              Normal
  11/08/2026 10 AM PST            8.32           1217         0              Normal
  11/08/2026 11 AM PST            8.32           1217         0              Normal
  11/08/2026 12 PM PST            8.32           1217         0              Normal
  11/08/2026 01 PM PST            8.34           1229         +              Normal
  11/08/2026 02 PM PST            8.35           1235         +              Normal
  11/08/2026 03 PM PST            8.34           1229         -              Normal
  11/08/2026 04 PM PST            8.34           1229         0              Normal
  11/08/2026 05 PM PST            8.34           1229         0              Normal
  11/08/2026 06 PM PST            8.34           1229         0              Normal
  11/08/2026 07 PM PST            8.34           1229         0              Normal
  11/08/2026 08 PM PST            8.34           1229         0              Normal
  11/08/2026 09 PM PST            8.35           1235         +              Normal
  11/08/2026 10 PM PST            8.34           1229         -              Normal
  11/08/2026 11 PM PST            8.34           1229         0              Normal
  11/09/2026 12 AM PST            8.34           1229         0              Normal
  11/09/2026 01 AM PST            8.34           1229         0              Normal
  11/09/2026 02 AM PST            8.33           1223         -              Normal
  11/09/2026 03 AM PST            8.33           1223         0              Normal
  11/09/2026 04 AM PST            8.33           1223         0              Normal
  11/09/2026 05 AM PST            8.32           1217         -              Normal
  11/09/2026 06 AM PST            8.32           1217         0              Normal
  11/09/2026 07 AM PST            8.32           1217         0              Normal
  11/09/2026 08 AM PST            8.32           1217         0              Normal
  11/09/2026 09 AM PST            8.32           1217         0              Normal
  11/09/2026 10 AM PST            8.31           1211         -              Normal
  11/09/2026 11 AM PST            8.31           1211         0              Normal
  11/09/2026 12 PM PST            8.30           1205         -              Normal
  11/09/2026 01 PM PST            8.27           1188         -              Normal
  11/09/2026 02 PM PST            8.26           1182         -              Normal
  11/09/2026 03 PM PST            8.25           1176         -              Normal
  11/09/2026 04 PM PST            8.24           1170         -              Normal
  11/09/2026 05 PM PST            8.23           1165         -              Normal
  11/09/2026 06 PM PST            8.23           1165         0              Normal
  11/09/2026 07 PM PST            8.23           1165         0              Normal
  11/09/2026 08 PM PST            8.23           1165         0              Normal
  11/09/2026 09 PM PST            8.23           1165         0              Normal
  11/09/2026 10 PM PST            8.23           1165         0              Normal
  11/09/2026 11 PM PST            8.24           1170         +              Normal
  11/10/2026 12 AM PST            8.23           1165         -              Normal
  11/10/2026 01 AM PST            8.23           1165         0              Normal
  11/10/2026 02 AM PST            8.23           1165         0              Normal
  11/10/2026 03 AM PST            8.22           1159         -              Normal
  11/10/2026 04 AM PST            8.22           1159         0              Normal
  11/10/2026 05 AM PST            8.22           1159         0              Normal
  11/10/2026 06 AM PST            8.22           1159         0              Normal
  11/10/2026 07 AM PST            8.22           1159         0              Normal
  11/10/2026 08 AM PST            8.21           1153         -              Normal
  11/10/2026 09 AM PST            8.21           1153         0              Normal
  11/10/2026 10 AM PST            8.18           1136         -              Normal
  11/10/2026 11 AM PST            8.19           1142         +              Normal
  11/10/2026 12 PM PST            8.18           1136         -              Normal
  11/10/2026 01 PM PST            8.16           1124         -              Normal
  11/10/2026 02 PM PST            8.17           1130         +              Normal
  11/10/2026 03 PM PST            8.17           1130         0              Normal
  11/10/2026 04 PM PST            8.16           1124         -              Normal
  11/10/2026 05 PM PST            8.16           1124         0              Normal
  11/10/2026 06 PM PST            8.15           1119         -              Normal
  11/10/2026 07 PM PST            8.15           1119         0              Normal
  11/10/2026 08 PM PST            8.15           1119         0              Normal
  11/10/2026 09 PM PST            8.14           1113         -              Normal
  11/10/2026 10 PM PST            8.14           1113         0              Normal
  11/10/2026 11 PM PST            8.14           1113         0              Normal
  11/11/2026 12 AM PST            8.14           1113         0              Normal
  11/11/2026 01 AM PST            8.13           1107         -              Normal
  11/11/2026 02 AM PST            8.13           1107         0              Normal
  11/11/2026 03 AM PST            8.13           1107         0              Normal
  11/11/2026 04 AM PST            8.12           1102         -              Normal
  11/11/2026 05 AM PST            8.12           1102         0              Normal
  11/11/2026 06 AM PST            8.12           1102         0              Normal
  11/11/2026 07 AM PST            8.12           1102         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/11/2026 08 AM PST            8.12           1102                        Normal
  11/11/2026 09 AM PST            8.12           1102         0              Normal
  11/11/2026 10 AM PST            8.12           1102         0              Normal
  11/11/2026 11 AM PST            8.12           1102         0              Normal
  11/11/2026 12 PM PST            8.11           1096         -              Normal
  11/11/2026 01 PM PST            8.11           1096         0              Normal
  11/11/2026 02 PM PST            8.11           1096         0              Normal
  11/11/2026 03 PM PST            8.11           1096         0              Normal
  11/11/2026 04 PM PST            8.11           1096         0              Normal
  11/11/2026 05 PM PST            8.11           1096         0              Normal
  11/11/2026 06 PM PST            8.11           1096         0              Normal
  11/11/2026 07 PM PST            8.11           1096         0              Normal
  11/11/2026 08 PM PST            8.11           1096         0              Normal
  11/11/2026 09 PM PST            8.11           1096         0              Normal
  11/11/2026 10 PM PST            8.11           1096         0              Normal
  11/11/2026 11 PM PST            8.10           1090         -              Normal
  11/12/2026 12 AM PST            8.10           1090         0              Normal
  11/12/2026 01 AM PST            8.10           1090         0              Normal
  11/12/2026 02 AM PST            8.10           1090         0              Normal
  11/12/2026 03 AM PST            8.10           1090         0              Normal
  11/12/2026 04 AM PST            8.10           1090         0              Normal
  11/12/2026 05 AM PST            8.10           1090         0              Normal
  11/12/2026 06 AM PST            8.10           1090         0              Normal
  11/12/2026 07 AM PST            8.10           1090         0              Normal
  11/12/2026 08 AM PST            8.10           1090         0              Normal
  11/12/2026 09 AM PST            8.10           1090         0              Normal
  11/12/2026 10 AM PST            8.10           1090         0              Normal
  11/12/2026 11 AM PST            8.10           1090         0              Normal
  11/12/2026 12 PM PST            8.09           1085         -              Normal
  11/12/2026 01 PM PST            8.09           1085         0              Normal
  11/12/2026 02 PM PST            8.09           1085         0              Normal
  11/12/2026 03 PM PST            8.09           1085         0              Normal
  11/12/2026 04 PM PST            8.09           1085         0              Normal
  11/12/2026 05 PM PST            8.09           1085         0              Normal
  11/12/2026 06 PM PST            8.09           1085         0              Normal
  11/12/2026 07 PM PST            8.09           1085         0              Normal
  11/12/2026 08 PM PST            8.09           1085         0              Normal
  11/12/2026 09 PM PST            8.09           1085         0              Normal
  11/12/2026 10 PM PST            8.09           1085         0              Normal
  11/12/2026 11 PM PST            8.09           1085         0              Normal
  11/13/2026 12 AM PST            8.09           1085         0              Normal
  11/13/2026 01 AM PST            8.09           1085         0              Normal
  11/13/2026 02 AM PST            8.09           1085         0              Normal
  11/13/2026 03 AM PST            8.09           1085         0              Normal
  11/13/2026 04 AM PST            8.09           1085         0              Normal
  11/13/2026 05 AM PST            8.08           1079         -              Normal
  11/13/2026 06 AM PST            8.08           1079         0              Normal
  11/13/2026 07 AM PST            8.08           1079         0              Normal
  11/13/2026 08 AM PST            8.08           1079         0              Normal
  11/13/2026 09 AM PST            8.08           1079         0              Normal
  11/13/2026 10 AM PST            8.08           1079         0              Normal
  11/13/2026 11 AM PST            8.08           1079         0              Normal
  11/13/2026 12 PM PST            8.08           1079         0              Normal
  11/13/2026 01 PM PST            8.08           1079         0              Normal
  11/13/2026 02 PM PST            8.08           1079         0              Normal
  11/13/2026 03 PM PST            8.08           1079         0              Normal
  11/13/2026 04 PM PST            8.08           1079         0              Normal
  11/13/2026 05 PM PST            8.08           1079         0              Normal
  11/13/2026 06 PM PST            8.08           1079         0              Normal
  11/13/2026 07 PM PST            8.08           1079         0              Normal
  11/13/2026 08 PM PST            8.08           1079         0              Normal
  11/13/2026 09 PM PST            8.08           1079         0              Normal
  11/13/2026 10 PM PST            8.08           1079         0              Normal
  11/13/2026 11 PM PST            8.08           1079         0              Normal
  11/14/2026 12 AM PST            8.08           1079         0              Normal
  11/14/2026 01 AM PST            8.08           1079         0              Normal
  11/14/2026 02 AM PST            8.08           1079         0              Normal
  11/14/2026 03 AM PST            8.08           1079         0              Normal
  11/14/2026 04 AM PST            8.08           1079         0              Normal
  11/14/2026 05 AM PST            8.08           1079         0              Normal
  11/14/2026 06 AM PST            8.08           1079         0              Normal
  11/14/2026 07 AM PST            8.08           1079         0              Normal
  11/14/2026 08 AM PST            8.08           1079         0              Normal
  11/14/2026 09 AM PST            8.08           1079         0              Normal
  11/14/2026 10 AM PST            8.08           1079         0              Normal
  11/14/2026 11 AM PST            8.08           1079         0              Normal
  11/14/2026 12 PM PST            8.08           1079         0              Normal
  11/14/2026 01 PM PST            8.08           1079         0              Normal
  11/14/2026 02 PM PST            8.08           1079         0              Normal
  11/14/2026 03 PM PST            8.08           1079         0              Normal
  11/14/2026 04 PM PST            8.08           1079         0              Normal
  11/14/2026 05 PM PST            8.08           1079         0              Normal
  11/14/2026 06 PM PST            8.08           1079         0              Normal
  11/14/2026 07 PM PST            8.08           1079         0              Normal
  11/14/2026 08 PM PST            8.08           1079         0              Normal
  11/14/2026 09 PM PST            8.08           1079         0              Normal
  11/14/2026 10 PM PST            8.08           1079         0              Normal
  11/14/2026 11 PM PST            8.08           1079         0              Normal
  11/15/2026 12 AM PST            8.08           1079         0              Normal
  11/15/2026 01 AM PST            8.09           1085         +              Normal
  11/15/2026 02 AM PST            8.09           1085         0              Normal
  11/15/2026 03 AM PST            8.09           1085         0              Normal
  11/15/2026 04 AM PST            8.09           1085         0              Normal
  11/15/2026 05 AM PST            8.10           1090         +              Normal
  11/15/2026 06 AM PST            8.10           1090         0              Normal
  11/15/2026 07 AM PST            8.10           1090         0              Normal
  11/15/2026 08 AM PST            8.11           1096         +              Normal
  11/15/2026 09 AM PST            8.11           1096         0              Normal
  11/15/2026 10 AM PST            8.12           1102         +              Normal
  11/15/2026 11 AM PST            8.12           1102         0              Normal
  11/15/2026 12 PM PST            8.12           1102         0              Normal
  11/15/2026 01 PM PST            8.13           1107         +              Normal
  11/15/2026 02 PM PST            8.13           1107         0              Normal
  11/15/2026 03 PM PST            8.13           1107         0              Normal
  11/15/2026 04 PM PST            8.14           1113         +              Normal
  11/15/2026 05 PM PST            8.14           1113         0              Normal
  11/15/2026 06 PM PST            8.14           1113         0              Normal
  11/15/2026 07 PM PST            8.14           1113         0              Normal
  11/15/2026 08 PM PST            8.14           1113         0              Normal
  11/15/2026 09 PM PST            8.14           1113         0              Normal
  11/15/2026 10 PM PST            8.14           1113         0              Normal
  11/15/2026 11 PM PST            8.14           1113         0              Normal
  11/16/2026 12 AM PST            8.14           1113         0              Normal
  11/16/2026 01 AM PST            8.14           1113         0              Normal
  11/16/2026 02 AM PST            8.14           1113         0              Normal
  11/16/2026 03 AM PST            8.14           1113         0              Normal
  11/16/2026 04 AM PST            8.14           1113         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.