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 CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Apr 24 2024 at 8:00 AM PDTNext Issuance: Apr 25 2024 at 9:00 AM PDT
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:  04/24/2024 at 08:00 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/22/2024 at 09:00 AM PDT
# Maximum Observed Stage:                       14.8 Feet
# Maximum Observed Flow:                        6042 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/29/2024 at 05:00 AM PDT
# Maximum Forecast Stage:                       14.1 Feet
# Maximum Forecast Flow:                        5227 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/19/2024 08 AM PDT            13.8           4991                        Normal
  04/19/2024 09 AM PDT            13.8           5001         +              Normal
  04/19/2024 10 AM PDT            13.8           5001         0              Normal
  04/19/2024 11 AM PDT            13.8           5012         +              Normal
  04/19/2024 12 PM PDT            13.8           5012         0              Normal
  04/19/2024 01 PM PDT            13.9           5023         +              Normal
  04/19/2024 02 PM PDT            13.9           5033         +              Normal
  04/19/2024 03 PM PDT            13.9           5023         -              Normal
  04/19/2024 04 PM PDT            13.9           5023         0              Normal
  04/19/2024 05 PM PDT            13.9           5055         +              Normal
  04/19/2024 06 PM PDT            13.9           5055         0              Normal
  04/19/2024 07 PM PDT            13.9           5087         +              Normal
  04/19/2024 08 PM PDT            13.9           5097         +              Normal
  04/19/2024 09 PM PDT            13.9           5119         +              Normal
  04/19/2024 10 PM PDT            14.0           5140         +              Normal
  04/19/2024 11 PM PDT            14.0           5162         +              Normal
  04/20/2024 12 AM PDT            14.0           5162         0              Normal
  04/20/2024 01 AM PDT            14.0           5194         +              Normal
  04/20/2024 02 AM PDT            14.0           5205         +              Normal
  04/20/2024 03 AM PDT            14.0           5205         0              Normal
  04/20/2024 04 AM PDT            14.0           5216         +              Normal
  04/20/2024 05 AM PDT            14.0           5205         -              Normal
  04/20/2024 06 AM PDT            14.1           5227         +              Normal
  04/20/2024 07 AM PDT            14.1           5227         0              Normal
  04/20/2024 08 AM PDT            14.1           5227         0              Normal
  04/20/2024 09 AM PDT            14.1           5238         +              Normal
  04/20/2024 10 AM PDT            14.1           5248         +              Normal
  04/20/2024 11 AM PDT            14.1           5259         +              Normal
  04/20/2024 12 PM PDT            14.1           5270         +              Normal
  04/20/2024 01 PM PDT            14.1           5270         0              Normal
  04/20/2024 02 PM PDT            14.1           5292         +              Normal
  04/20/2024 03 PM PDT            14.1           5303         +              Normal
  04/20/2024 04 PM PDT            14.1           5324         +              Normal
  04/20/2024 05 PM PDT            14.2           5346         +              Normal
  04/20/2024 06 PM PDT            14.2           5357         +              Normal
  04/20/2024 07 PM PDT            14.2           5390         +              Normal
  04/20/2024 08 PM PDT            14.2           5412         +              Normal
  04/20/2024 09 PM PDT            14.2           5445         +              Normal
  04/20/2024 10 PM PDT            14.2           5445         0              Normal
  04/20/2024 11 PM PDT            14.3           5467         +              Normal
  04/21/2024 12 AM PDT            14.3           5500         +              Normal
  04/21/2024 01 AM PDT            14.3           5533         +              Normal
  04/21/2024 02 AM PDT            14.3           5533         0              Normal
  04/21/2024 03 AM PDT            14.3           5545         +              Normal
  04/21/2024 04 AM PDT            14.3           5556         +              Normal
  04/21/2024 05 AM PDT            14.4           5589         +              Normal
  04/21/2024 06 AM PDT            14.4           5589         0              Normal
  04/21/2024 07 AM PDT            14.4           5611         +              Normal
  04/21/2024 08 AM PDT            14.4           5611         0              Normal
  04/21/2024 09 AM PDT            14.4           5634         +              Normal
  04/21/2024 10 AM PDT            14.4           5645         +              Normal
  04/21/2024 11 AM PDT            14.4           5667         +              Normal
  04/21/2024 12 PM PDT            14.4           5656         -              Normal
  04/21/2024 01 PM PDT            14.5           5701         +              Normal
  04/21/2024 02 PM PDT            14.5           5712         +              Normal
  04/21/2024 03 PM PDT            14.5           5723         +              Normal
  04/21/2024 04 PM PDT            14.5           5746         +              Normal
  04/21/2024 05 PM PDT            14.5           5746         0              Normal
  04/21/2024 06 PM PDT            14.6           5791         +              Normal
  04/21/2024 07 PM PDT            14.6           5813         +              Normal
  04/21/2024 08 PM PDT            14.6           5825         +              Normal
  04/21/2024 09 PM PDT            14.6           5847         +              Normal
  04/21/2024 10 PM PDT            14.6           5859         +              Normal
  04/21/2024 11 PM PDT            14.7           5904         +              Normal
  04/22/2024 12 AM PDT            14.7           5904         0              Normal
  04/22/2024 01 AM PDT            14.7           5950         +              Normal
  04/22/2024 02 AM PDT            14.7           5950         0              Normal
  04/22/2024 03 AM PDT            14.7           5984         +              Normal
  04/22/2024 04 AM PDT            14.7           5984         0              Normal
  04/22/2024 05 AM PDT            14.7           5984         0              Normal
  04/22/2024 06 AM PDT            14.8           6007         +              Normal
  04/22/2024 07 AM PDT            14.8           6007         0              Normal
  04/22/2024 08 AM PDT            14.8           6042         +              Normal
  04/22/2024 09 AM PDT            14.8           6042         0              Normal
  04/22/2024 10 AM PDT            14.8           6030         -              Normal
  04/22/2024 11 AM PDT            14.8           6019         -              Normal
  04/22/2024 12 PM PDT            14.8           6007         -              Normal
  04/22/2024 01 PM PDT            14.7           5973         -              Normal
  04/22/2024 02 PM PDT            14.7           5984         +              Normal
  04/22/2024 03 PM PDT            14.7           5961         -              Normal
  04/22/2024 04 PM PDT            14.7           5893         -              Normal
  04/22/2024 05 PM PDT            14.7           5893         0              Normal
  04/22/2024 06 PM PDT            14.7           5893         0              Normal
  04/22/2024 07 PM PDT            14.6           5882         -              Normal
  04/22/2024 08 PM PDT            14.6           5859         -              Normal
  04/22/2024 09 PM PDT            14.6           5847         -              Normal
  04/22/2024 10 PM PDT            14.6           5813         -              Normal
  04/22/2024 11 PM PDT            14.6           5813         0              Normal
  04/23/2024 12 AM PDT            14.6           5780         -              Normal
  04/23/2024 01 AM PDT            14.5           5746         -              Normal
  04/23/2024 02 AM PDT            14.5           5734         -              Normal
  04/23/2024 03 AM PDT            14.5           5701         -              Normal
  04/23/2024 04 AM PDT            14.5           5690         -              Normal
  04/23/2024 05 AM PDT            14.4           5645         -              Normal
  04/23/2024 06 AM PDT            14.4           5622         -              Normal
  04/23/2024 07 AM PDT            14.4           5611         -              Normal
  04/23/2024 08 AM PDT            14.4           5589         -              Normal
  04/23/2024 09 AM PDT            14.4           5567         -              Normal
  04/23/2024 10 AM PDT            14.3           5545         -              Normal
  04/23/2024 11 AM PDT            14.3           5522         -              Normal
  04/23/2024 12 PM PDT            14.3           5478         -              Normal
  04/23/2024 01 PM PDT            14.3           5467         -              Normal
  04/23/2024 02 PM PDT            14.2           5423         -              Normal
  04/23/2024 03 PM PDT            14.2           5401         -              Normal
  04/23/2024 04 PM PDT            14.2           5379         -              Normal
  04/23/2024 05 PM PDT            14.2           5368         -              Normal
  04/23/2024 06 PM PDT            14.1           5324         -              Normal
  04/23/2024 07 PM PDT            14.1           5303         -              Normal
  04/23/2024 08 PM PDT            14.1           5292         -              Normal
  04/23/2024 09 PM PDT            14.0           5216         -              Normal
  04/23/2024 10 PM PDT            14.1           5227         +              Normal
  04/23/2024 11 PM PDT            14.0           5216         -              Normal
  04/24/2024 12 AM PDT            14.0           5194         -              Normal
  04/24/2024 01 AM PDT            14.0           5151         -              Normal
  04/24/2024 02 AM PDT            14.0           5151         0              Normal
  04/24/2024 03 AM PDT            13.9           5119         -              Normal
  04/24/2024 04 AM PDT            13.9           5087         -              Normal
  04/24/2024 05 AM PDT            13.9           5055         -              Normal
  04/24/2024 06 AM PDT            13.9           5023         -              Normal
  04/24/2024 07 AM PDT            13.8           5001         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/24/2024 08 AM PDT            13.8           4970                        Normal
  04/24/2024 09 AM PDT            13.8           4948         -              Normal
  04/24/2024 10 AM PDT            13.8           4917         -              Normal
  04/24/2024 11 AM PDT            13.7           4896         -              Normal
  04/24/2024 12 PM PDT            13.7           4864         -              Normal
  04/24/2024 01 PM PDT            13.7           4843         -              Normal
  04/24/2024 02 PM PDT            13.7           4822         -              Normal
  04/24/2024 03 PM PDT            13.6           4791         -              Normal
  04/24/2024 04 PM PDT            13.6           4770         -              Normal
  04/24/2024 05 PM PDT            13.6           4749         -              Normal
  04/24/2024 06 PM PDT            13.6           4729         -              Normal
  04/24/2024 07 PM PDT            13.6           4697         -              Normal
  04/24/2024 08 PM PDT            13.5           4677         -              Normal
  04/24/2024 09 PM PDT            13.5           4656         -              Normal
  04/24/2024 10 PM PDT            13.5           4636         -              Normal
  04/24/2024 11 PM PDT            13.5           4615         -              Normal
  04/25/2024 12 AM PDT            13.4           4594         -              Normal
  04/25/2024 01 AM PDT            13.4           4574         -              Normal
  04/25/2024 02 AM PDT            13.4           4564         -              Normal
  04/25/2024 03 AM PDT            13.4           4543         -              Normal
  04/25/2024 04 AM PDT            13.4           4523         -              Normal
  04/25/2024 05 AM PDT            13.4           4503         -              Normal
  04/25/2024 06 AM PDT            13.3           4492         -              Normal
  04/25/2024 07 AM PDT            13.3           4472         -              Normal
  04/25/2024 08 AM PDT            13.3           4462         -              Normal
  04/25/2024 09 AM PDT            13.3           4452         -              Normal
  04/25/2024 10 AM PDT            13.3           4442         -              Normal
  04/25/2024 11 AM PDT            13.3           4432         -              Normal
  04/25/2024 12 PM PDT            13.3           4422         -              Normal
  04/25/2024 01 PM PDT            13.3           4422         0              Normal
  04/25/2024 02 PM PDT            13.3           4412         -              Normal
  04/25/2024 03 PM PDT            13.3           4401         -              Normal
  04/25/2024 04 PM PDT            13.3           4401         0              Normal
  04/25/2024 05 PM PDT            13.2           4391         -              Normal
  04/25/2024 06 PM PDT            13.2           4391         0              Normal
  04/25/2024 07 PM PDT            13.2           4391         0              Normal
  04/25/2024 08 PM PDT            13.2           4381         -              Normal
  04/25/2024 09 PM PDT            13.2           4381         0              Normal
  04/25/2024 10 PM PDT            13.2           4381         0              Normal
  04/25/2024 11 PM PDT            13.2           4371         -              Normal
  04/26/2024 12 AM PDT            13.2           4371         0              Normal
  04/26/2024 01 AM PDT            13.2           4371         0              Normal
  04/26/2024 02 AM PDT            13.2           4371         0              Normal
  04/26/2024 03 AM PDT            13.2           4371         0              Normal
  04/26/2024 04 AM PDT            13.2           4371         0              Normal
  04/26/2024 05 AM PDT            13.2           4371         0              Normal
  04/26/2024 06 AM PDT            13.2           4371         0              Normal
  04/26/2024 07 AM PDT            13.2           4381         +              Normal
  04/26/2024 08 AM PDT            13.2           4381         0              Normal
  04/26/2024 09 AM PDT            13.2           4391         +              Normal
  04/26/2024 10 AM PDT            13.3           4401         +              Normal
  04/26/2024 11 AM PDT            13.3           4412         +              Normal
  04/26/2024 12 PM PDT            13.3           4422         +              Normal
  04/26/2024 01 PM PDT            13.3           4432         +              Normal
  04/26/2024 02 PM PDT            13.3           4442         +              Normal
  04/26/2024 03 PM PDT            13.3           4462         +              Normal
  04/26/2024 04 PM PDT            13.3           4472         +              Normal
  04/26/2024 05 PM PDT            13.3           4482         +              Normal
  04/26/2024 06 PM PDT            13.4           4503         +              Normal
  04/26/2024 07 PM PDT            13.4           4513         +              Normal
  04/26/2024 08 PM PDT            13.4           4523         +              Normal
  04/26/2024 09 PM PDT            13.4           4533         +              Normal
  04/26/2024 10 PM PDT            13.4           4554         +              Normal
  04/26/2024 11 PM PDT            13.4           4564         +              Normal
  04/27/2024 12 AM PDT            13.4           4574         +              Normal
  04/27/2024 01 AM PDT            13.4           4584         +              Normal
  04/27/2024 02 AM PDT            13.5           4605         +              Normal
  04/27/2024 03 AM PDT            13.5           4615         +              Normal
  04/27/2024 04 AM PDT            13.5           4625         +              Normal
  04/27/2024 05 AM PDT            13.5           4636         +              Normal
  04/27/2024 06 AM PDT            13.5           4656         +              Normal
  04/27/2024 07 AM PDT            13.5           4666         +              Normal
  04/27/2024 08 AM PDT            13.5           4677         +              Normal
  04/27/2024 09 AM PDT            13.6           4697         +              Normal
  04/27/2024 10 AM PDT            13.6           4708         +              Normal
  04/27/2024 11 AM PDT            13.6           4729         +              Normal
  04/27/2024 12 PM PDT            13.6           4739         +              Normal
  04/27/2024 01 PM PDT            13.6           4749         +              Normal
  04/27/2024 02 PM PDT            13.6           4770         +              Normal
  04/27/2024 03 PM PDT            13.6           4781         +              Normal
  04/27/2024 04 PM PDT            13.6           4791         +              Normal
  04/27/2024 05 PM PDT            13.7           4812         +              Normal
  04/27/2024 06 PM PDT            13.7           4822         +              Normal
  04/27/2024 07 PM PDT            13.7           4833         +              Normal
  04/27/2024 08 PM PDT            13.7           4854         +              Normal
  04/27/2024 09 PM PDT            13.7           4864         +              Normal
  04/27/2024 10 PM PDT            13.7           4875         +              Normal
  04/27/2024 11 PM PDT            13.7           4885         +              Normal
  04/28/2024 12 AM PDT            13.7           4896         +              Normal
  04/28/2024 01 AM PDT            13.8           4906         +              Normal
  04/28/2024 02 AM PDT            13.8           4917         +              Normal
  04/28/2024 03 AM PDT            13.8           4927         +              Normal
  04/28/2024 04 AM PDT            13.8           4938         +              Normal
  04/28/2024 05 AM PDT            13.8           4948         +              Normal
  04/28/2024 06 AM PDT            13.8           4970         +              Normal
  04/28/2024 07 AM PDT            13.8           4980         +              Normal
  04/28/2024 08 AM PDT            13.8           4991         +              Normal
  04/28/2024 09 AM PDT            13.8           5001         +              Normal
  04/28/2024 10 AM PDT            13.8           5012         +              Normal
  04/28/2024 11 AM PDT            13.9           5023         +              Normal
  04/28/2024 12 PM PDT            13.9           5044         +              Normal
  04/28/2024 01 PM PDT            13.9           5055         +              Normal
  04/28/2024 02 PM PDT            13.9           5065         +              Normal
  04/28/2024 03 PM PDT            13.9           5076         +              Normal
  04/28/2024 04 PM PDT            13.9           5087         +              Normal
  04/28/2024 05 PM PDT            13.9           5097         +              Normal
  04/28/2024 06 PM PDT            13.9           5119         +              Normal
  04/28/2024 07 PM PDT            14.0           5130         +              Normal
  04/28/2024 08 PM PDT            14.0           5140         +              Normal
  04/28/2024 09 PM PDT            14.0           5151         +              Normal
  04/28/2024 10 PM PDT            14.0           5162         +              Normal
  04/28/2024 11 PM PDT            14.0           5173         +              Normal
  04/29/2024 12 AM PDT            14.0           5183         +              Normal
  04/29/2024 01 AM PDT            14.0           5183         0              Normal
  04/29/2024 02 AM PDT            14.0           5194         +              Normal
  04/29/2024 03 AM PDT            14.0           5205         +              Normal
  04/29/2024 04 AM PDT            14.0           5216         +              Normal
  04/29/2024 05 AM PDT            14.1           5227         +              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.