National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

CNRFC Daily Briefing
Last issued: Tue Mar 28, 2023 at 08:54 AM PST (updated daily by 10 AM Pacific Time).
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Summary:
  • Slow moving weather system forecast to bring moderate to locally heavy precip today through Wednesday as it moves southward along the CA coast.
  • Highest precip totals expected along the northern/central CA coast, and then inland over the Shasta Lake drainage and down the length of the Sierra with totals generally ranging from an additional 1" to 4". Freezing levels from 3 kft north to 9 kft south, dropping to 2 kft north to 5 kft south as the cooler airmass moves in.
  • High flow will continue throughout the San Joaquin system due to reservoir releases.
  • Minor river rises are expected starting today throughout most of CA due to the current storm.
Confidence: Medium

Staffing Level: Normal

Detailed Hydrometeorological Discussion: cnrfc.noaa.gov/discussion

River Guidance Points Forecast Above Specified Stage Definitions  (Select NWS ID for Specified Graphical RVF)
NWS IDRiver / CreekGage / StationMonitor
Stage
Flood
Stage
Danger
Stage
Latest Observed
Stage / Flow
Latest Observed
Date / Time
Max Forecast
Stage / Flow
Forecast
Status
YDRC1SANTA MARGARITA YSIDORA 8.211.27.90  /  16603/28 09:15 AM PDT8.3  /  509Above Monitor
CLAC1SACRAMENTO COLUSA WEIR 60.970.171.159.87  /  003/28 10:00 AM PDT63.9  /  5,193Above Monitor
CLUC1SACRAMENTO COLUSA BR 63.070.071.052.21  /  18,22603/28 09:45 AM PDT63.9  /  39,044Above Monitor
TISC1SACRAMENTO TISDALE WEIR 44.151.652.642.94  /  003/28 09:15 AM PDT47.2  /  16,125Above Monitor
FMWC1SACRAMENTO FREMONT WEIR 32.039.540.531.47  /  53,90003/28 09:15 AM PDT33.0  /  68,547Above Monitor
LSBC1YOLO BYPASS LISBON 13.019.026.213.1  /  NA03/28 09:15 AM PDT13.6  /  NAAbove Monitor
CLKC1CLEAR LAKE LAKEPORT 8.09.07.95  /  331,99603/28 09:15 AM PDT8.2  /  343,880Above Monitor
MEEC1BEAR CK MCKEE ROAD 17.023.08.63  /  49503/28 09:45 AM PDT19.8  /  3,686Above Monitor
STVC1MERCED STEVINSON 68.071.071.23  /  5,87303/28 10:00 AM PDT71.3  /  5,885Above Flood
NWMC1SAN JOAQUIN NEWMAN 63.069.470.465.42  /  16,56903/28 09:45 AM PDT65.6  /  17,725Above Monitor
PATC1SAN JOAQUIN PATTERSON 48.054.755.749.56  /  17,70503/28 09:45 AM PDT50.0  /  18,824Above Monitor
MDSC1TUOLUMNE MODESTO 50.555.054.38  /  10,37303/28 09:45 AM PDT54.5  /  10,490Above Monitor
VNSC1SAN JOAQUIN VERNALIS 24.529.029.529.38  /  35,34303/28 09:45 AM PDT29.5  /  35,634Above Flood
MOSC1SAN JOAQUIN MOSSDALE 19.528.529.520.2  /  NA03/28 09:45 AM PDT20.2  /  NAAbove Monitor
MHBC1COSUMNES MICHIGAN BAR 7.012.06.02  /  2,02903/28 09:30 AM PDT7.6  /  5,307Above Monitor
MCNC1COSUMNES MCCONNELL 36.042.030.8  /  NA03/28 09:15 AM PDT38.4  /  NAAbove Monitor
THTC1MOKELUMNE BENSON'S FERRY 12.017.010.5  /  NA03/28 09:15 AM PDT12.4  /  NAAbove Monitor

** NOTE **  Stage is presented in "Feet" while Flow (Storage at CLKC1) is presented in "cfs" ("Acre-Feet").