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: Feb 25 2021 at 1:41 PM PSTNext Issuance: Feb 26 2021 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:  02/25/2021 at 01:41 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/21/2021 at 09:00 PM PST
# Maximum Observed Stage:                       9.8 Feet
# Maximum Observed Flow:                        1672 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/02/2021 at 02:00 AM PST
# Maximum Forecast Stage:                       9.0 Feet
# Maximum Forecast Flow:                        1188 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/20/2021 01 PM PST             9.2           1319                        Normal
  02/20/2021 02 PM PST             9.2           1331         +              Normal
  02/20/2021 03 PM PST             9.2           1331         0              Normal
  02/20/2021 04 PM PST             9.2           1338         +              Normal
  02/20/2021 05 PM PST             9.2           1344         +              Normal
  02/20/2021 06 PM PST             9.3           1362         +              Normal
  02/20/2021 07 PM PST             9.3           1368         +              Normal
  02/20/2021 08 PM PST             9.3           1381         +              Normal
  02/20/2021 09 PM PST             9.3           1387         +              Normal
  02/20/2021 10 PM PST             9.3           1393         +              Normal
  02/20/2021 11 PM PST             9.3           1400         +              Normal
  02/21/2021 12 AM PST             9.3           1412         +              Normal
  02/21/2021 01 AM PST             9.4           1418         +              Normal
  02/21/2021 02 AM PST             9.4           1431         +              Normal
  02/21/2021 03 AM PST             9.4           1444         +              Normal
  02/21/2021 04 AM PST             9.4           1463         +              Normal
  02/21/2021 05 AM PST             9.4           1475         +              Normal
  02/21/2021 06 AM PST             9.5           1495         +              Normal
  02/21/2021 07 AM PST             9.5           1508         +              Normal
  02/21/2021 08 AM PST             9.5           1527         +              Normal
  02/21/2021 09 AM PST             9.6           1540         +              Normal
  02/21/2021 10 AM PST             9.6           1553         +              Normal
  02/21/2021 11 AM PST             9.6           1573         +              Normal
  02/21/2021 12 PM PST             9.6           1592         +              Normal
  02/21/2021 01 PM PST             9.7           1606         +              Normal
  02/21/2021 02 PM PST             9.7           1619         +              Normal
  02/21/2021 03 PM PST             9.7           1632         +              Normal
  02/21/2021 04 PM PST             9.7           1646         +              Normal
  02/21/2021 05 PM PST             9.7           1652         +              Normal
  02/21/2021 06 PM PST             9.7           1659         +              Normal
  02/21/2021 07 PM PST             9.7           1666         +              Normal
  02/21/2021 08 PM PST             9.7           1666         0              Normal
  02/21/2021 09 PM PST             9.8           1672         +              Normal
  02/21/2021 10 PM PST             9.7           1666         -              Normal
  02/21/2021 11 PM PST             9.7           1666         0              Normal
  02/22/2021 12 AM PST             9.7           1652         -              Normal
  02/22/2021 01 AM PST             9.7           1652         0              Normal
  02/22/2021 02 AM PST             9.7           1646         -              Normal
  02/22/2021 03 AM PST             9.7           1632         -              Normal
  02/22/2021 04 AM PST             9.7           1626         -              Normal
  02/22/2021 05 AM PST             9.7           1619         -              Normal
  02/22/2021 06 AM PST             9.7           1606         -              Normal
  02/22/2021 07 AM PST             9.6           1592         -              Normal
  02/22/2021 08 AM PST             9.6           1579         -              Normal
  02/22/2021 09 AM PST             9.6           1566         -              Normal
  02/22/2021 10 AM PST             9.6           1553         -              Normal
  02/22/2021 11 AM PST             9.6           1546         -              Normal
  02/22/2021 12 PM PST             9.5           1533         -              Normal
  02/22/2021 01 PM PST             9.5           1527         -              Normal
  02/22/2021 02 PM PST             9.5           1514         -              Normal
  02/22/2021 03 PM PST             9.5           1501         -              Normal
  02/22/2021 04 PM PST             9.5           1495         -              Normal
  02/22/2021 05 PM PST             9.5           1482         -              Normal
  02/22/2021 06 PM PST             9.4           1475         -              Normal
  02/22/2021 07 PM PST             9.4           1469         -              Normal
  02/22/2021 08 PM PST             9.4           1463         -              Normal
  02/22/2021 09 PM PST             9.4           1450         -              Normal
  02/22/2021 10 PM PST             9.4           1444         -              Normal
  02/22/2021 11 PM PST             9.4           1437         -              Normal
  02/23/2021 12 AM PST             9.4           1437         0              Normal
  02/23/2021 01 AM PST             9.4           1431         -              Normal
  02/23/2021 02 AM PST             9.4           1425         -              Normal
  02/23/2021 03 AM PST             9.4           1418         -              Normal
  02/23/2021 04 AM PST             9.3           1412         -              Normal
  02/23/2021 05 AM PST             9.3           1406         -              Normal
  02/23/2021 06 AM PST             9.3           1400         -              Normal
  02/23/2021 07 AM PST             9.3           1393         -              Normal
  02/23/2021 08 AM PST             9.3           1381         -              Normal
  02/23/2021 09 AM PST             9.3           1375         -              Normal
  02/23/2021 10 AM PST             9.3           1375         0              Normal
  02/23/2021 11 AM PST             9.3           1362         -              Normal
  02/23/2021 12 PM PST             9.3           1362         0              Normal
  02/23/2021 01 PM PST             9.3           1362         0              Normal
  02/23/2021 02 PM PST             9.3           1362         0              Normal
  02/23/2021 03 PM PST             9.3           1356         -              Normal
  02/23/2021 04 PM PST             9.3           1356         0              Normal
  02/23/2021 05 PM PST             9.3           1356         0              Normal
  02/23/2021 06 PM PST             9.2           1350         -              Normal
  02/23/2021 07 PM PST             9.2           1344         -              Normal
  02/23/2021 08 PM PST             9.2           1338         -              Normal
  02/23/2021 09 PM PST             9.2           1325         -              Normal
  02/23/2021 10 PM PST             9.2           1313         -              Normal
  02/23/2021 11 PM PST             9.2           1301         -              Normal
  02/24/2021 12 AM PST             9.2           1289         -              Normal
  02/24/2021 01 AM PST             9.1           1283         -              Normal
  02/24/2021 02 AM PST             9.1           1271         -              Normal
  02/24/2021 03 AM PST             9.1           1265         -              Normal
  02/24/2021 04 AM PST             9.1           1259         -              Normal
  02/24/2021 05 AM PST             9.1           1253         -              Normal
  02/24/2021 06 AM PST             9.1           1247         -              Normal
  02/24/2021 07 AM PST             9.1           1241         -              Normal
  02/24/2021 08 AM PST             9.1           1235         -              Normal
  02/24/2021 09 AM PST             9.0           1223         -              Normal
  02/24/2021 10 AM PST             9.0           1217         -              Normal
  02/24/2021 11 AM PST             9.0           1211         -              Normal
  02/24/2021 12 PM PST             9.0           1211         0              Normal
  02/24/2021 01 PM PST             9.0           1211         0              Normal
  02/24/2021 02 PM PST             9.0           1200         -              Normal
  02/24/2021 03 PM PST             9.0           1182         -              Normal
  02/24/2021 04 PM PST             9.0           1188         +              Normal
  02/24/2021 05 PM PST             8.9           1170         -              Normal
  02/24/2021 06 PM PST             9.0           1176         +              Normal
  02/24/2021 07 PM PST             9.0           1176         0              Normal
  02/24/2021 08 PM PST             8.9           1170         -              Normal
  02/24/2021 09 PM PST             8.9           1165         -              Normal
  02/24/2021 10 PM PST             8.9           1165         0              Normal
  02/24/2021 11 PM PST             8.9           1159         -              Normal
  02/25/2021 12 AM PST             8.9           1159         0              Normal
  02/25/2021 01 AM PST             8.9           1159         0              Normal
  02/25/2021 02 AM PST             8.9           1153         -              Normal
  02/25/2021 03 AM PST             8.9           1142         -              Normal
  02/25/2021 04 AM PST             8.9           1142         0              Normal
  02/25/2021 05 AM PST             8.9           1142         0              Normal
  02/25/2021 06 AM PST             8.9           1136         -              Normal
  02/25/2021 07 AM PST             8.9           1130         -              Normal
  02/25/2021 08 AM PST             8.9           1130         0              Normal
  02/25/2021 09 AM PST             8.9           1124         -              Normal
  02/25/2021 10 AM PST             8.9           1124         0              Normal
  02/25/2021 11 AM PST             8.9           1119         -              Normal
  02/25/2021 12 PM PST             8.9           1119         0              Normal
  02/25/2021 01 PM PST             8.9           1119         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/25/2021 02 PM PST             8.9           1119                        Normal
  02/25/2021 03 PM PST             8.9           1119         0              Normal
  02/25/2021 04 PM PST             8.9           1119         0              Normal
  02/25/2021 05 PM PST             8.8           1113         -              Normal
  02/25/2021 06 PM PST             8.8           1113         0              Normal
  02/25/2021 07 PM PST             8.8           1113         0              Normal
  02/25/2021 08 PM PST             8.8           1107         -              Normal
  02/25/2021 09 PM PST             8.8           1107         0              Normal
  02/25/2021 10 PM PST             8.8           1102         -              Normal
  02/25/2021 11 PM PST             8.8           1096         -              Normal
  02/26/2021 12 AM PST             8.8           1096         0              Normal
  02/26/2021 01 AM PST             8.8           1090         -              Normal
  02/26/2021 02 AM PST             8.8           1085         -              Normal
  02/26/2021 03 AM PST             8.8           1079         -              Normal
  02/26/2021 04 AM PST             8.8           1079         0              Normal
  02/26/2021 05 AM PST             8.8           1074         -              Normal
  02/26/2021 06 AM PST             8.8           1068         -              Normal
  02/26/2021 07 AM PST             8.8           1062         -              Normal
  02/26/2021 08 AM PST             8.8           1057         -              Normal
  02/26/2021 09 AM PST             8.7           1051         -              Normal
  02/26/2021 10 AM PST             8.7           1046         -              Normal
  02/26/2021 11 AM PST             8.7           1040         -              Normal
  02/26/2021 12 PM PST             8.7           1035         -              Normal
  02/26/2021 01 PM PST             8.7           1035         0              Normal
  02/26/2021 02 PM PST             8.7           1029         -              Normal
  02/26/2021 03 PM PST             8.7           1024         -              Normal
  02/26/2021 04 PM PST             8.7           1018         -              Normal
  02/26/2021 05 PM PST             8.7           1018         0              Normal
  02/26/2021 06 PM PST             8.7           1013         -              Normal
  02/26/2021 07 PM PST             8.7           1007         -              Normal
  02/26/2021 08 PM PST             8.7           1007         0              Normal
  02/26/2021 09 PM PST             8.7           1002         -              Normal
  02/26/2021 10 PM PST             8.7           1002         0              Normal
  02/26/2021 11 PM PST             8.6            997         -              Normal
  02/27/2021 12 AM PST             8.6            997         0              Normal
  02/27/2021 01 AM PST             8.6            997         0              Normal
  02/27/2021 02 AM PST             8.6            991         -              Normal
  02/27/2021 03 AM PST             8.6            991         0              Normal
  02/27/2021 04 AM PST             8.6            991         0              Normal
  02/27/2021 05 AM PST             8.6            986         -              Normal
  02/27/2021 06 AM PST             8.6            986         0              Normal
  02/27/2021 07 AM PST             8.6            986         0              Normal
  02/27/2021 08 AM PST             8.6            986         0              Normal
  02/27/2021 09 AM PST             8.6            986         0              Normal
  02/27/2021 10 AM PST             8.6            986         0              Normal
  02/27/2021 11 AM PST             8.6            986         0              Normal
  02/27/2021 12 PM PST             8.6            986         0              Normal
  02/27/2021 01 PM PST             8.6            980         -              Normal
  02/27/2021 02 PM PST             8.6            980         0              Normal
  02/27/2021 03 PM PST             8.6            980         0              Normal
  02/27/2021 04 PM PST             8.6            975         -              Normal
  02/27/2021 05 PM PST             8.6            975         0              Normal
  02/27/2021 06 PM PST             8.6            975         0              Normal
  02/27/2021 07 PM PST             8.6            975         0              Normal
  02/27/2021 08 PM PST             8.6            970         -              Normal
  02/27/2021 09 PM PST             8.6            970         0              Normal
  02/27/2021 10 PM PST             8.6            970         0              Normal
  02/27/2021 11 PM PST             8.6            970         0              Normal
  02/28/2021 12 AM PST             8.6            970         0              Normal
  02/28/2021 01 AM PST             8.6            964         -              Normal
  02/28/2021 02 AM PST             8.6            964         0              Normal
  02/28/2021 03 AM PST             8.6            964         0              Normal
  02/28/2021 04 AM PST             8.6            964         0              Normal
  02/28/2021 05 AM PST             8.6            964         0              Normal
  02/28/2021 06 AM PST             8.6            964         0              Normal
  02/28/2021 07 AM PST             8.6            964         0              Normal
  02/28/2021 08 AM PST             8.6            959         -              Normal
  02/28/2021 09 AM PST             8.6            959         0              Normal
  02/28/2021 10 AM PST             8.6            959         0              Normal
  02/28/2021 11 AM PST             8.6            959         0              Normal
  02/28/2021 12 PM PST             8.6            959         0              Normal
  02/28/2021 01 PM PST             8.6            959         0              Normal
  02/28/2021 02 PM PST             8.6            959         0              Normal
  02/28/2021 03 PM PST             8.6            959         0              Normal
  02/28/2021 04 PM PST             8.6            959         0              Normal
  02/28/2021 05 PM PST             8.6            959         0              Normal
  02/28/2021 06 PM PST             8.6            959         0              Normal
  02/28/2021 07 PM PST             8.6            959         0              Normal
  02/28/2021 08 PM PST             8.6            959         0              Normal
  02/28/2021 09 PM PST             8.6            959         0              Normal
  02/28/2021 10 PM PST             8.6            959         0              Normal
  02/28/2021 11 PM PST             8.6            959         0              Normal
  03/01/2021 12 AM PST             8.6            959         0              Normal
  03/01/2021 01 AM PST             8.6            959         0              Normal
  03/01/2021 02 AM PST             8.6            959         0              Normal
  03/01/2021 03 AM PST             8.6            964         +              Normal
  03/01/2021 04 AM PST             8.6            964         0              Normal
  03/01/2021 05 AM PST             8.6            970         +              Normal
  03/01/2021 06 AM PST             8.6            975         +              Normal
  03/01/2021 07 AM PST             8.6            986         +              Normal
  03/01/2021 08 AM PST             8.6            991         +              Normal
  03/01/2021 09 AM PST             8.7           1002         +              Normal
  03/01/2021 10 AM PST             8.7           1018         +              Normal
  03/01/2021 11 AM PST             8.7           1029         +              Normal
  03/01/2021 12 PM PST             8.7           1040         +              Normal
  03/01/2021 01 PM PST             8.8           1057         +              Normal
  03/01/2021 02 PM PST             8.8           1074         +              Normal
  03/01/2021 03 PM PST             8.8           1085         +              Normal
  03/01/2021 04 PM PST             8.8           1102         +              Normal
  03/01/2021 05 PM PST             8.8           1113         +              Normal
  03/01/2021 06 PM PST             8.9           1124         +              Normal
  03/01/2021 07 PM PST             8.9           1136         +              Normal
  03/01/2021 08 PM PST             8.9           1147         +              Normal
  03/01/2021 09 PM PST             8.9           1159         +              Normal
  03/01/2021 10 PM PST             8.9           1165         +              Normal
  03/01/2021 11 PM PST             8.9           1170         +              Normal
  03/02/2021 12 AM PST             9.0           1176         +              Normal
  03/02/2021 01 AM PST             9.0           1182         +              Normal
  03/02/2021 02 AM PST             9.0           1188         +              Normal
  03/02/2021 03 AM PST             9.0           1188         0              Normal
  03/02/2021 04 AM PST             9.0           1188         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.