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: Jun 19 2026 at 7:15 AM PDTNext Issuance: Jun 20 2026 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:  06/19/2026 at 07:15 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/19/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       8.97 Feet
# Maximum Observed Flow:                        1626 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/19/2026 at 06:00 PM PDT
# Maximum Forecast Stage:                       9.00 Feet
# Maximum Forecast Flow:                        1646 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/14/2026 07 AM PDT            8.73           1469                        Normal
  06/14/2026 08 AM PDT            8.72           1463         -              Normal
  06/14/2026 09 AM PDT            8.70           1450         -              Normal
  06/14/2026 10 AM PDT            8.67           1431         -              Normal
  06/14/2026 11 AM PDT            8.65           1418         -              Normal
  06/14/2026 12 PM PDT            8.64           1412         -              Normal
  06/14/2026 01 PM PDT            8.60           1387         -              Normal
  06/14/2026 02 PM PDT            8.58           1375         -              Normal
  06/14/2026 03 PM PDT            8.55           1356         -              Normal
  06/14/2026 04 PM PDT            8.52           1338         -              Normal
  06/14/2026 05 PM PDT            8.49           1319         -              Normal
  06/14/2026 06 PM PDT            8.47           1307         -              Normal
  06/14/2026 07 PM PDT            8.45           1295         -              Normal
  06/14/2026 08 PM PDT            8.43           1283         -              Normal
  06/14/2026 09 PM PDT            8.42           1277         -              Normal
  06/14/2026 10 PM PDT            8.42           1277         0              Normal
  06/14/2026 11 PM PDT            8.45           1295         +              Normal
  06/15/2026 12 AM PDT            8.44           1289         -              Normal
  06/15/2026 01 AM PDT            8.44           1289         0              Normal
  06/15/2026 02 AM PDT            8.43           1283         -              Normal
  06/15/2026 03 AM PDT            8.43           1283         0              Normal
  06/15/2026 04 AM PDT            8.43           1283         0              Normal
  06/15/2026 05 AM PDT            8.43           1283         0              Normal
  06/15/2026 06 AM PDT            8.43           1283         0              Normal
  06/15/2026 07 AM PDT            8.42           1277         -              Normal
  06/15/2026 08 AM PDT            8.41           1271         -              Normal
  06/15/2026 09 AM PDT            8.41           1271         0              Normal
  06/15/2026 10 AM PDT            8.40           1265         -              Normal
  06/15/2026 11 AM PDT            8.37           1247         -              Normal
  06/15/2026 12 PM PDT            8.33           1223         -              Normal
  06/15/2026 01 PM PDT            8.30           1205         -              Normal
  06/15/2026 02 PM PDT            8.28           1194         -              Normal
  06/15/2026 03 PM PDT            8.25           1176         -              Normal
  06/15/2026 04 PM PDT            8.22           1159         -              Normal
  06/15/2026 05 PM PDT            8.19           1142         -              Normal
  06/15/2026 06 PM PDT            8.20           1147         +              Normal
  06/15/2026 07 PM PDT            8.18           1136         -              Normal
  06/15/2026 08 PM PDT            8.17           1130         -              Normal
  06/15/2026 09 PM PDT            8.18           1136         +              Normal
  06/15/2026 10 PM PDT            8.19           1142         +              Normal
  06/15/2026 11 PM PDT            8.20           1147         +              Normal
  06/16/2026 12 AM PDT            8.20           1147         0              Normal
  06/16/2026 01 AM PDT            8.20           1147         0              Normal
  06/16/2026 02 AM PDT            8.19           1142         -              Normal
  06/16/2026 03 AM PDT            8.19           1142         0              Normal
  06/16/2026 04 AM PDT            8.19           1142         0              Normal
  06/16/2026 05 AM PDT            8.19           1142         0              Normal
  06/16/2026 06 AM PDT            8.19           1142         0              Normal
  06/16/2026 07 AM PDT            8.17           1130         -              Normal
  06/16/2026 08 AM PDT            8.18           1136         +              Normal
  06/16/2026 09 AM PDT            8.18           1136         0              Normal
  06/16/2026 10 AM PDT            8.17           1130         -              Normal
  06/16/2026 11 AM PDT            8.19           1142         +              Normal
  06/16/2026 12 PM PDT            8.21           1153         +              Normal
  06/16/2026 01 PM PDT            8.24           1170         +              Normal
  06/16/2026 02 PM PDT            8.26           1182         +              Normal
  06/16/2026 03 PM PDT            8.26           1182         0              Normal
  06/16/2026 04 PM PDT            8.29           1200         +              Normal
  06/16/2026 05 PM PDT            8.30           1205         +              Normal
  06/16/2026 06 PM PDT            8.31           1211         +              Normal
  06/16/2026 07 PM PDT            8.34           1229         +              Normal
  06/16/2026 08 PM PDT            8.38           1253         +              Normal
  06/16/2026 09 PM PDT            8.41           1271         +              Normal
  06/16/2026 10 PM PDT            8.43           1283         +              Normal
  06/16/2026 11 PM PDT            8.51           1331         +              Normal
  06/17/2026 12 AM PDT            8.54           1350         +              Normal
  06/17/2026 01 AM PDT            8.57           1368         +              Normal
  06/17/2026 02 AM PDT            8.60           1387         +              Normal
  06/17/2026 03 AM PDT            8.62           1400         +              Normal
  06/17/2026 04 AM PDT            8.66           1425         +              Normal
  06/17/2026 05 AM PDT            8.69           1444         +              Normal
  06/17/2026 06 AM PDT            8.69           1444         0              Normal
  06/17/2026 07 AM PDT            8.72           1463         +              Normal
  06/17/2026 08 AM PDT            8.72           1463         0              Normal
  06/17/2026 09 AM PDT            8.74           1475         +              Normal
  06/17/2026 10 AM PDT            8.76           1488         +              Normal
  06/17/2026 11 AM PDT            8.77           1495         +              Normal
  06/17/2026 12 PM PDT            8.80           1514         +              Normal
  06/17/2026 01 PM PDT            8.81           1520         +              Normal
  06/17/2026 02 PM PDT            8.84           1540         +              Normal
  06/17/2026 03 PM PDT            8.83           1533         -              Normal
  06/17/2026 04 PM PDT            8.83           1533         0              Normal
  06/17/2026 05 PM PDT            8.85           1546         +              Normal
  06/17/2026 06 PM PDT            8.85           1546         0              Normal
  06/17/2026 07 PM PDT            8.84           1540         -              Normal
  06/17/2026 08 PM PDT            8.85           1546         +              Normal
  06/17/2026 09 PM PDT            8.84           1540         -              Normal
  06/17/2026 10 PM PDT            8.85           1546         +              Normal
  06/17/2026 11 PM PDT            8.86           1553         +              Normal
  06/18/2026 12 AM PDT            8.86           1553         0              Normal
  06/18/2026 01 AM PDT            8.89           1573         +              Normal
  06/18/2026 02 AM PDT            8.90           1579         +              Normal
  06/18/2026 03 AM PDT            8.91           1586         +              Normal
  06/18/2026 04 AM PDT            8.90           1579         -              Normal
  06/18/2026 05 AM PDT            8.91           1586         +              Normal
  06/18/2026 06 AM PDT            8.91           1586         0              Normal
  06/18/2026 07 AM PDT            8.91           1586         0              Normal
  06/18/2026 08 AM PDT            8.91           1586         0              Normal
  06/18/2026 09 AM PDT            8.89           1573         -              Normal
  06/18/2026 10 AM PDT            8.91           1586         +              Normal
  06/18/2026 11 AM PDT            8.90           1579         -              Normal
  06/18/2026 12 PM PDT            8.93           1599         +              Normal
  06/18/2026 01 PM PDT            8.93           1599         0              Normal
  06/18/2026 02 PM PDT            8.92           1592         -              Normal
  06/18/2026 03 PM PDT            8.92           1592         0              Normal
  06/18/2026 04 PM PDT            8.90           1579         -              Normal
  06/18/2026 05 PM PDT            8.89           1573         -              Normal
  06/18/2026 06 PM PDT            8.89           1573         0              Normal
  06/18/2026 07 PM PDT            8.88           1566         -              Normal
  06/18/2026 08 PM PDT            8.89           1573         +              Normal
  06/18/2026 09 PM PDT            8.89           1573         0              Normal
  06/18/2026 10 PM PDT            8.89           1573         0              Normal
  06/18/2026 11 PM PDT            8.91           1586         +              Normal
  06/19/2026 12 AM PDT            8.89           1573         -              Normal
  06/19/2026 01 AM PDT            8.91           1586         +              Normal
  06/19/2026 02 AM PDT            8.92           1592         +              Normal
  06/19/2026 03 AM PDT            8.92           1592         0              Normal
  06/19/2026 04 AM PDT            8.95           1612         +              Normal
  06/19/2026 05 AM PDT            8.96           1619         +              Normal
  06/19/2026 06 AM PDT            8.96           1619         0              Normal
  06/19/2026 07 AM PDT            8.97           1626         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/19/2026 08 AM PDT            8.97           1626                        Normal
  06/19/2026 09 AM PDT            8.97           1626         0              Normal
  06/19/2026 10 AM PDT            8.97           1626         0              Normal
  06/19/2026 11 AM PDT            8.98           1632         +              Normal
  06/19/2026 12 PM PDT            8.98           1632         0              Normal
  06/19/2026 01 PM PDT            8.99           1639         +              Normal
  06/19/2026 02 PM PDT            8.99           1639         0              Normal
  06/19/2026 03 PM PDT            8.99           1639         0              Normal
  06/19/2026 04 PM PDT            8.99           1639         0              Normal
  06/19/2026 05 PM PDT            8.99           1639         0              Normal
  06/19/2026 06 PM PDT            9.00           1646         +              Normal
  06/19/2026 07 PM PDT            8.99           1639         -              Normal
  06/19/2026 08 PM PDT            8.99           1639         0              Normal
  06/19/2026 09 PM PDT            8.99           1639         0              Normal
  06/19/2026 10 PM PDT            8.99           1639         0              Normal
  06/19/2026 11 PM PDT            8.98           1632         -              Normal
  06/20/2026 12 AM PDT            8.97           1626         -              Normal
  06/20/2026 01 AM PDT            8.96           1619         -              Normal
  06/20/2026 02 AM PDT            8.95           1612         -              Normal
  06/20/2026 03 AM PDT            8.94           1606         -              Normal
  06/20/2026 04 AM PDT            8.92           1592         -              Normal
  06/20/2026 05 AM PDT            8.91           1586         -              Normal
  06/20/2026 06 AM PDT            8.89           1573         -              Normal
  06/20/2026 07 AM PDT            8.87           1560         -              Normal
  06/20/2026 08 AM PDT            8.84           1540         -              Normal
  06/20/2026 09 AM PDT            8.82           1527         -              Normal
  06/20/2026 10 AM PDT            8.79           1508         -              Normal
  06/20/2026 11 AM PDT            8.76           1488         -              Normal
  06/20/2026 12 PM PDT            8.73           1469         -              Normal
  06/20/2026 01 PM PDT            8.69           1444         -              Normal
  06/20/2026 02 PM PDT            8.66           1425         -              Normal
  06/20/2026 03 PM PDT            8.63           1406         -              Normal
  06/20/2026 04 PM PDT            8.59           1381         -              Normal
  06/20/2026 05 PM PDT            8.56           1362         -              Normal
  06/20/2026 06 PM PDT            8.52           1338         -              Normal
  06/20/2026 07 PM PDT            8.49           1319         -              Normal
  06/20/2026 08 PM PDT            8.45           1295         -              Normal
  06/20/2026 09 PM PDT            8.42           1277         -              Normal
  06/20/2026 10 PM PDT            8.38           1253         -              Normal
  06/20/2026 11 PM PDT            8.35           1235         -              Normal
  06/21/2026 12 AM PDT            8.32           1217         -              Normal
  06/21/2026 01 AM PDT            8.28           1194         -              Normal
  06/21/2026 02 AM PDT            8.25           1176         -              Normal
  06/21/2026 03 AM PDT            8.22           1159         -              Normal
  06/21/2026 04 AM PDT            8.19           1142         -              Normal
  06/21/2026 05 AM PDT            8.17           1130         -              Normal
  06/21/2026 06 AM PDT            8.14           1113         -              Normal
  06/21/2026 07 AM PDT            8.11           1096         -              Normal
  06/21/2026 08 AM PDT            8.09           1085         -              Normal
  06/21/2026 09 AM PDT            8.07           1074         -              Normal
  06/21/2026 10 AM PDT            8.04           1057         -              Normal
  06/21/2026 11 AM PDT            8.02           1046         -              Normal
  06/21/2026 12 PM PDT            8.00           1035         -              Normal
  06/21/2026 01 PM PDT            7.98           1024         -              Normal
  06/21/2026 02 PM PDT            7.96           1013         -              Normal
  06/21/2026 03 PM PDT            7.94           1002         -              Normal
  06/21/2026 04 PM PDT            7.93            997         -              Normal
  06/21/2026 05 PM PDT            7.91            986         -              Normal
  06/21/2026 06 PM PDT            7.89            975         -              Normal
  06/21/2026 07 PM PDT            7.88            970         -              Normal
  06/21/2026 08 PM PDT            7.87            964         -              Normal
  06/21/2026 09 PM PDT            7.85            954         -              Normal
  06/21/2026 10 PM PDT            7.84            948         -              Normal
  06/21/2026 11 PM PDT            7.83            943         -              Normal
  06/22/2026 12 AM PDT            7.82            938         -              Normal
  06/22/2026 01 AM PDT            7.81            933         -              Normal
  06/22/2026 02 AM PDT            7.80            927         -              Normal
  06/22/2026 03 AM PDT            7.79            922         -              Normal
  06/22/2026 04 AM PDT            7.78            917         -              Normal
  06/22/2026 05 AM PDT            7.77            912         -              Normal
  06/22/2026 06 AM PDT            7.76            906         -              Normal
  06/22/2026 07 AM PDT            7.75            901         -              Normal
  06/22/2026 08 AM PDT            7.75            901         0              Normal
  06/22/2026 09 AM PDT            7.74            896         -              Normal
  06/22/2026 10 AM PDT            7.74            896         0              Normal
  06/22/2026 11 AM PDT            7.73            891         -              Normal
  06/22/2026 12 PM PDT            7.72            886         -              Normal
  06/22/2026 01 PM PDT            7.72            886         0              Normal
  06/22/2026 02 PM PDT            7.72            886         0              Normal
  06/22/2026 03 PM PDT            7.71            881         -              Normal
  06/22/2026 04 PM PDT            7.71            881         0              Normal
  06/22/2026 05 PM PDT            7.71            881         0              Normal
  06/22/2026 06 PM PDT            7.70            876         -              Normal
  06/22/2026 07 PM PDT            7.70            876         0              Normal
  06/22/2026 08 PM PDT            7.70            876         0              Normal
  06/22/2026 09 PM PDT            7.70            876         0              Normal
  06/22/2026 10 PM PDT            7.70            876         0              Normal
  06/22/2026 11 PM PDT            7.70            876         0              Normal
  06/23/2026 12 AM PDT            7.71            881         +              Normal
  06/23/2026 01 AM PDT            7.71            881         0              Normal
  06/23/2026 02 AM PDT            7.73            891         +              Normal
  06/23/2026 03 AM PDT            7.74            896         +              Normal
  06/23/2026 04 AM PDT            7.76            906         +              Normal
  06/23/2026 05 AM PDT            7.79            922         +              Normal
  06/23/2026 06 AM PDT            7.82            938         +              Normal
  06/23/2026 07 AM PDT            7.85            954         +              Normal
  06/23/2026 08 AM PDT            7.89            975         +              Normal
  06/23/2026 09 AM PDT            7.92            991         +              Normal
  06/23/2026 10 AM PDT            7.96           1013         +              Normal
  06/23/2026 11 AM PDT            8.01           1040         +              Normal
  06/23/2026 12 PM PDT            8.05           1062         +              Normal
  06/23/2026 01 PM PDT            8.10           1090         +              Normal
  06/23/2026 02 PM PDT            8.14           1113         +              Normal
  06/23/2026 03 PM PDT            8.19           1142         +              Normal
  06/23/2026 04 PM PDT            8.23           1165         +              Normal
  06/23/2026 05 PM PDT            8.28           1194         +              Normal
  06/23/2026 06 PM PDT            8.32           1217         +              Normal
  06/23/2026 07 PM PDT            8.37           1247         +              Normal
  06/23/2026 08 PM PDT            8.41           1271         +              Normal
  06/23/2026 09 PM PDT            8.45           1295         +              Normal
  06/23/2026 10 PM PDT            8.49           1319         +              Normal
  06/23/2026 11 PM PDT            8.53           1344         +              Normal
  06/24/2026 12 AM PDT            8.57           1368         +              Normal
  06/24/2026 01 AM PDT            8.60           1387         +              Normal
  06/24/2026 02 AM PDT            8.64           1412         +              Normal
  06/24/2026 03 AM PDT            8.67           1431         +              Normal
  06/24/2026 04 AM PDT            8.70           1450         +              Normal
  06/24/2026 05 AM PDT            8.73           1469         +              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.