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SAN JOAQUIN RIVER - VERNALIS (VNSC1)
| Latitude: 37.68º N | Longitude: 121.27º W | Elevation: 35 Feet | | Forecast Type: Official Location |
| Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Nov 08 2026 at 7:13 AM PST | Next Issuance: | Nov 09 2026 at 9:00 AM PST
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| Action: 24.5 Feet | Minor Flood: 29.0 Feet | Moderate Flood: 32.0 Feet | Major Flood: 37.3 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Vernalis (VNSC1)
#
# File Generation Time: 11/08/2026 at 07:13 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 11/03/2026 at 07:00 AM PST
# Maximum Observed Stage: 9.20 Feet
# Maximum Observed Flow: 1782 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/09/2026 at 12:00 PM PST
# Maximum Forecast Stage: 8.36 Feet
# Maximum Forecast Flow: 1241 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
11/03/2026 07 AM PST 9.20 1782 Normal
11/03/2026 08 AM PST 9.19 1775 - Normal
11/03/2026 09 AM PST 9.17 1761 - Normal
11/03/2026 10 AM PST 9.16 1754 - Normal
11/03/2026 11 AM PST 9.15 1747 - Normal
11/03/2026 12 PM PST 9.14 1740 - Normal
11/03/2026 01 PM PST 9.12 1727 - Normal
11/03/2026 02 PM PST 9.10 1713 - Normal
11/03/2026 03 PM PST 9.10 1713 0 Normal
11/03/2026 04 PM PST 9.10 1713 0 Normal
11/03/2026 05 PM PST 9.08 1700 - Normal
11/03/2026 06 PM PST 9.06 1686 - Normal
11/03/2026 07 PM PST 9.04 1672 - Normal
11/03/2026 08 PM PST 9.01 1652 - Normal
11/03/2026 09 PM PST 8.98 1632 - Normal
11/03/2026 10 PM PST 8.96 1619 - Normal
11/03/2026 11 PM PST 8.93 1599 - Normal
11/04/2026 12 AM PST 8.90 1579 - Normal
11/04/2026 01 AM PST 8.87 1560 - Normal
11/04/2026 02 AM PST 8.87 1560 0 Normal
11/04/2026 03 AM PST 8.84 1540 - Normal
11/04/2026 04 AM PST 8.81 1520 - Normal
11/04/2026 05 AM PST 8.80 1514 - Normal
11/04/2026 06 AM PST 8.78 1501 - Normal
11/04/2026 07 AM PST 8.76 1488 - Normal
11/04/2026 08 AM PST 8.74 1475 - Normal
11/04/2026 09 AM PST 8.72 1463 - Normal
11/04/2026 10 AM PST 8.70 1450 - Normal
11/04/2026 11 AM PST 8.69 1444 - Normal
11/04/2026 12 PM PST 8.67 1431 - Normal
11/04/2026 01 PM PST 8.65 1418 - Normal
11/04/2026 02 PM PST 8.63 1406 - Normal
11/04/2026 03 PM PST 8.62 1400 - Normal
11/04/2026 04 PM PST 8.62 1400 0 Normal
11/04/2026 05 PM PST 8.63 1406 + Normal
11/04/2026 06 PM PST 8.61 1393 - Normal
11/04/2026 07 PM PST 8.60 1387 - Normal
11/04/2026 08 PM PST 8.60 1387 0 Normal
11/04/2026 09 PM PST 8.59 1381 - Normal
11/04/2026 10 PM PST 8.57 1368 - Normal
11/04/2026 11 PM PST 8.56 1362 - Normal
11/05/2026 12 AM PST 8.55 1356 - Normal
11/05/2026 01 AM PST 8.53 1344 - Normal
11/05/2026 02 AM PST 8.52 1338 - Normal
11/05/2026 03 AM PST 8.51 1331 - Normal
11/05/2026 04 AM PST 8.50 1325 - Normal
11/05/2026 05 AM PST 8.48 1313 - Normal
11/05/2026 06 AM PST 8.48 1313 0 Normal
11/05/2026 07 AM PST 8.47 1307 - Normal
11/05/2026 08 AM PST 8.46 1301 - Normal
11/05/2026 09 AM PST 8.45 1295 - Normal
11/05/2026 10 AM PST 8.43 1283 - Normal
11/05/2026 11 AM PST 8.41 1271 - Normal
11/05/2026 12 PM PST 8.39 1259 - Normal
11/05/2026 01 PM PST 8.39 1259 0 Normal
11/05/2026 02 PM PST 8.38 1253 - Normal
11/05/2026 03 PM PST 8.38 1253 0 Normal
11/05/2026 04 PM PST 8.38 1253 0 Normal
11/05/2026 05 PM PST 8.40 1265 + Normal
11/05/2026 06 PM PST 8.39 1259 - Normal
11/05/2026 07 PM PST 8.38 1253 - Normal
11/05/2026 08 PM PST 8.37 1247 - Normal
11/05/2026 09 PM PST 8.36 1241 - Normal
11/05/2026 10 PM PST 8.36 1241 0 Normal
11/05/2026 11 PM PST 8.35 1235 - Normal
11/06/2026 12 AM PST 8.34 1229 - Normal
11/06/2026 01 AM PST 8.33 1223 - Normal
11/06/2026 02 AM PST 8.32 1217 - Normal
11/06/2026 03 AM PST 8.31 1211 - Normal
11/06/2026 04 AM PST 8.31 1211 0 Normal
11/06/2026 05 AM PST 8.31 1211 0 Normal
11/06/2026 06 AM PST 8.30 1205 - Normal
11/06/2026 07 AM PST 8.29 1200 - Normal
11/06/2026 08 AM PST 8.29 1200 0 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 8.33 1223 0 Normal
11/08/2026 07 AM PST 8.33 1223 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/08/2026 08 AM PST 8.34 1229 Normal
11/08/2026 09 AM PST 8.34 1229 0 Normal
11/08/2026 10 AM PST 8.34 1229 0 Normal
11/08/2026 11 AM PST 8.34 1229 0 Normal
11/08/2026 12 PM PST 8.34 1229 0 Normal
11/08/2026 01 PM PST 8.34 1229 0 Normal
11/08/2026 02 PM PST 8.34 1229 0 Normal
11/08/2026 03 PM PST 8.34 1229 0 Normal
11/08/2026 04 PM PST 8.35 1235 + Normal
11/08/2026 05 PM PST 8.35 1235 0 Normal
11/08/2026 06 PM PST 8.35 1235 0 Normal
11/08/2026 07 PM PST 8.35 1235 0 Normal
11/08/2026 08 PM PST 8.35 1235 0 Normal
11/08/2026 09 PM PST 8.35 1235 0 Normal
11/08/2026 10 PM PST 8.35 1235 0 Normal
11/08/2026 11 PM PST 8.35 1235 0 Normal
11/09/2026 12 AM PST 8.35 1235 0 Normal
11/09/2026 01 AM PST 8.35 1235 0 Normal
11/09/2026 02 AM PST 8.35 1235 0 Normal
11/09/2026 03 AM PST 8.35 1235 0 Normal
11/09/2026 04 AM PST 8.35 1235 0 Normal
11/09/2026 05 AM PST 8.35 1235 0 Normal
11/09/2026 06 AM PST 8.35 1235 0 Normal
11/09/2026 07 AM PST 8.35 1235 0 Normal
11/09/2026 08 AM PST 8.35 1235 0 Normal
11/09/2026 09 AM PST 8.35 1235 0 Normal
11/09/2026 10 AM PST 8.35 1235 0 Normal
11/09/2026 11 AM PST 8.35 1235 0 Normal
11/09/2026 12 PM PST 8.36 1241 + Normal
11/09/2026 01 PM PST 8.36 1241 0 Normal
11/09/2026 02 PM PST 8.36 1241 0 Normal
11/09/2026 03 PM PST 8.36 1241 0 Normal
11/09/2026 04 PM PST 8.36 1241 0 Normal
11/09/2026 05 PM PST 8.36 1241 0 Normal
11/09/2026 06 PM PST 8.36 1241 0 Normal
11/09/2026 07 PM PST 8.36 1241 0 Normal
11/09/2026 08 PM PST 8.36 1241 0 Normal
11/09/2026 09 PM PST 8.36 1241 0 Normal
11/09/2026 10 PM PST 8.36 1241 0 Normal
11/09/2026 11 PM PST 8.36 1241 0 Normal
11/10/2026 12 AM PST 8.36 1241 0 Normal
11/10/2026 01 AM PST 8.36 1241 0 Normal
11/10/2026 02 AM PST 8.36 1241 0 Normal
11/10/2026 03 AM PST 8.36 1241 0 Normal
11/10/2026 04 AM PST 8.36 1241 0 Normal
11/10/2026 05 AM PST 8.36 1241 0 Normal
11/10/2026 06 AM PST 8.36 1241 0 Normal
11/10/2026 07 AM PST 8.36 1241 0 Normal
11/10/2026 08 AM PST 8.36 1241 0 Normal
11/10/2026 09 AM PST 8.36 1241 0 Normal
11/10/2026 10 AM PST 8.36 1241 0 Normal
11/10/2026 11 AM PST 8.36 1241 0 Normal
11/10/2026 12 PM PST 8.36 1241 0 Normal
11/10/2026 01 PM PST 8.36 1241 0 Normal
11/10/2026 02 PM PST 8.36 1241 0 Normal
11/10/2026 03 PM PST 8.36 1241 0 Normal
11/10/2026 04 PM PST 8.36 1241 0 Normal
11/10/2026 05 PM PST 8.36 1241 0 Normal
11/10/2026 06 PM PST 8.36 1241 0 Normal
11/10/2026 07 PM PST 8.36 1241 0 Normal
11/10/2026 08 PM PST 8.36 1241 0 Normal
11/10/2026 09 PM PST 8.36 1241 0 Normal
11/10/2026 10 PM PST 8.36 1241 0 Normal
11/10/2026 11 PM PST 8.36 1241 0 Normal
11/11/2026 12 AM PST 8.36 1241 0 Normal
11/11/2026 01 AM PST 8.36 1241 0 Normal
11/11/2026 02 AM PST 8.36 1241 0 Normal
11/11/2026 03 AM PST 8.36 1241 0 Normal
11/11/2026 04 AM PST 8.36 1241 0 Normal
11/11/2026 05 AM PST 8.36 1241 0 Normal
11/11/2026 06 AM PST 8.36 1241 0 Normal
11/11/2026 07 AM PST 8.36 1241 0 Normal
11/11/2026 08 AM PST 8.36 1241 0 Normal
11/11/2026 09 AM PST 8.36 1241 0 Normal
11/11/2026 10 AM PST 8.36 1241 0 Normal
11/11/2026 11 AM PST 8.36 1241 0 Normal
11/11/2026 12 PM PST 8.36 1241 0 Normal
11/11/2026 01 PM PST 8.36 1241 0 Normal
11/11/2026 02 PM PST 8.35 1235 - Normal
11/11/2026 03 PM PST 8.35 1235 0 Normal
11/11/2026 04 PM PST 8.35 1235 0 Normal
11/11/2026 05 PM PST 8.35 1235 0 Normal
11/11/2026 06 PM PST 8.35 1235 0 Normal
11/11/2026 07 PM PST 8.35 1235 0 Normal
11/11/2026 08 PM PST 8.35 1235 0 Normal
11/11/2026 09 PM PST 8.35 1235 0 Normal
11/11/2026 10 PM PST 8.35 1235 0 Normal
11/11/2026 11 PM PST 8.35 1235 0 Normal
11/12/2026 12 AM PST 8.35 1235 0 Normal
11/12/2026 01 AM PST 8.35 1235 0 Normal
11/12/2026 02 AM PST 8.35 1235 0 Normal
11/12/2026 03 AM PST 8.35 1235 0 Normal
11/12/2026 04 AM PST 8.35 1235 0 Normal
11/12/2026 05 AM PST 8.35 1235 0 Normal
11/12/2026 06 AM PST 8.35 1235 0 Normal
11/12/2026 07 AM PST 8.35 1235 0 Normal
11/12/2026 08 AM PST 8.35 1235 0 Normal
11/12/2026 09 AM PST 8.35 1235 0 Normal
11/12/2026 10 AM PST 8.35 1235 0 Normal
11/12/2026 11 AM PST 8.35 1235 0 Normal
11/12/2026 12 PM PST 8.35 1235 0 Normal
11/12/2026 01 PM PST 8.35 1235 0 Normal
11/12/2026 02 PM PST 8.35 1235 0 Normal
11/12/2026 03 PM PST 8.35 1235 0 Normal
11/12/2026 04 PM PST 8.35 1235 0 Normal
11/12/2026 05 PM PST 8.35 1235 0 Normal
11/12/2026 06 PM PST 8.35 1235 0 Normal
11/12/2026 07 PM PST 8.35 1235 0 Normal
11/12/2026 08 PM PST 8.35 1235 0 Normal
11/12/2026 09 PM PST 8.35 1235 0 Normal
11/12/2026 10 PM PST 8.35 1235 0 Normal
11/12/2026 11 PM PST 8.35 1235 0 Normal
11/13/2026 12 AM PST 8.35 1235 0 Normal
11/13/2026 01 AM PST 8.35 1235 0 Normal
11/13/2026 02 AM PST 8.35 1235 0 Normal
11/13/2026 03 AM PST 8.35 1235 0 Normal
11/13/2026 04 AM PST 8.35 1235 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.
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