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

NOAA / NWS News and Local CNRFC Information

Late December 2022-January 2023 and Late February-March 2023 Storm Summaries - The CNRFC has published two in-depth storm summaries documenting the historic period of storms affecting the region during the 2023 Water Year. The studies include a summary of winter conditions between December 2022 and March 2023, an analysis of observed precipitation data, a discussion of weather conditions and resulting hydrologic impacts, and a deep dive into precipitation verification. To view "Section 1: Late December 2022 and January 2023", visit the link here, and to view "Section 2: Late February and March 2023", visit the link here.

CNRFC ArcGIS StoryMap: 2023 Water Year Summary - The CNRFC has published an ArcGIS StoryMap reviewing the historic 2023 Water Year. This document provides a summary of the antecedent conditions, the series of winter storms to affect the region, the resulting impacts of these storms, and the prolonged spring and summer snowmelt period. To access this ArcGIS StoryMap, please visit the link here.

CNRFC Daily Briefing - View a graphical summary of current & forecast weather & hydrologic conditions. Updated by 10 AM PT.

Alert MessageAt Least One River Guidance (Flood Forecast) Point Is Currently or Forecast to Exceed Monitor StageAlert Message

 
Recently-Issued CNRFC Text Products:  
 

 Home Page Version:   Interactive Map  |  Legacy

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Observed River Conditions Point Locations Official River Guidance Point LocationsUnofficial River Guidance Point LocationsEnsemble Forecast Point Locations
Observed River Conditions
(Stage and Flow)





Graphical RVF Search






99 Gages Observed
Normal Conditions
(97.1% of Gages)
1 Gage Observed
Above Monitor Stage
(1.0% of Gages)
0 Gages Observed
Above Flood Stage
(0.0% of Gages)
0 Gages Observed
Above Danger Stage
(0.0% of Gages)
Last Map Update:   Friday May 24th 2024 at 9:50 AM PDT  (3 Minutes Old)
(Data is updated every 5 minutes)
 

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
HBMN2HUMBOLDT BATTLE MOUNTAIN 8.59.58.66  /  1,68205/24 09:15 AM PDT8.73  /  1,728Above Monitor
CMSN2HUMBOLDT COMUS 8.59.57.81  /  1,07305/24 09:15 AM PDT8.74  /  1,335Above Monitor

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

River Guidance Forecast Group Issuance and Next Update Times  (Select Forecast Group for Specified Text RVF)
FG IDForecast GroupIssuance TimeNext Update Time
SENorth Coast[ Alternate Link ]CSVMay 24 2024 at 7:38 AM PDTMay 25 2024 at 9:00 AM PDT
RNRussian Napa[ Alternate Link ]CSVMay 24 2024 at 7:43 AM PDTMay 25 2024 at 9:00 AM PDT
USAUpper Sacramento[ Alternate Link ]CSVMay 24 2024 at 7:40 AM PDTMay 25 2024 at 9:00 AM PDT
LSCLower Sacramento[ Alternate Link ]CSVMay 24 2024 at 8:00 AM PDTMay 25 2024 at 9:00 AM PDT
SJSan Joaquin[ Alternate Link ]CSVMay 24 2024 at 8:13 AM PDTMay 25 2024 at 9:00 AM PDT
CCCentral Coast[ Alternate Link ]CSVMay 24 2024 at 7:44 AM PDTMay 25 2024 at 9:00 AM PDT
SCASouthern California[ Alternate Link ]CSVMay 24 2024 at 7:59 AM PDTMay 25 2024 at 9:00 AM PDT
ESEastern Sierra[ Alternate Link ]CSVMay 24 2024 at 7:59 AM PDTMay 25 2024 at 9:00 AM PDT
HBTHumboldt[ Alternate Link ]CSVMay 24 2024 at 8:11 AM PDTMay 25 2024 at 9:00 AM PDT
SAC Sacramento Delta (Tides) [ Alternate Link ] May 24 2024 at 6:11 AM PDTMay 25 2024 at 9:00 AM PDT
 
** NOTE 1 **  The Klamath and North Coast river guidance points are included in the North Coast Forecast Group.
** NOTE 2 **  The Feather Yuba, American, and Cache Putah river guidance points are included in the Lower Sacramento River Forecast Group.
** NOTE 3 **  The Delta Region, Upper and Lower San Joaquin, and Tulare river guidance points are combined in the San Joaquin River Forecast Group.
** NOTE 4 **  The Salinas Pajaro and South Bay river guidance points are included in the Central Coast Forecast Group.
** NOTE 5 **  The Southern California and San Diego/Inland river guidance points are included in the Southern California Forecast Group.

CNRFC Daily Briefing
Observed Precipitation Graphical Discussion Forecast Precipitation
** Note ** Click on Indvidual Images to Expand.