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2022 Tide Tables Available - The 2022 tide tables are now available on our river forecast page.

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

Alert MessageAll River Guidance (Flood Forecast) Points Are Currently and Forecast to Remain Below Critical StagesAlert Message

 
Recently-Issued CNRFC Text Products:  
 

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The number inside each circle above represents the number of gages with observed conditions inside that category.
The number inside each circle above represents the number of gages with forecast conditions inside that category.
The number inside each circle above/below represents the number of gages with conditions inside that category.
Forecast
(large dots)
The number inside each circle above represents the number of gages with observed conditions inside that category.
The number inside each circle above represents the number of gages with forecast conditions inside that category.
The number inside each circle above/below represents the number of gages with conditions inside that category.
Observed
(small dots)



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Rivers/Reservoirs

Deterministic Forecasts 

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Ensemble Forecasts
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Peak Exceedance Probabilities*
Data updated:
10%25%50%75%90%
5-Day Peak
10-Day Peak
*Exceedance probabilities are only available for selected forecast points.
Observed Data
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Latest Hour 1 Hr Ago 2 Hrs Ago 3 Hrs Ago
Forecast Points
Other Points
Reservoirs
Deterministic Forecast + Observed Data
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Obs data updated:
Forecast Points 
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Significant River Flood Outlook
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Valid:

      National Significant River Flood Outlook

Water Resources

Data updated (unless otherwise noted):


 

 







Monthly Archive
Month/Year:     

Reservoir Storage
(Data to 1925 for all reservoirs/1951 for "major")
% Normal % Capacity

Snow Data

National Gridded Data



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Point Data
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SWE
SWE Change


Data updated:
Snow Depth
Snow Depth Change
Daily Archive (Data back to Apr 2014)
M/D/Y:     
    % Avg % Apr 1
Avg		 Value
Simulated
Basin
Avg		 Mid-Upper
Lower
Monthly Archive (Data back to Jan 1998)
Month/Year:     
  % Avg Value
Point*
* Jan-Jun only prior to 2019.

Observed Precipitation (QPE)

Radar Data
 
 


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Short-Range Point Data

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QC data updated:   
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6-Hour Totals (QC'd = Quality-Controlled)
Ending 18Z (10 AM PST) Ending 00Z (4 PM PST) Ending 06Z (10 PM PST) Ending 12Z (4 AM PST)
 
  
  
  
24-Hour Totals (QC'd = Quality-Controlled)


Short-Range Gridded Data
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Monthly/Water Year Archive (starts Oct 1996)
Month/Year:     
Note: The water year starts on October 1 of the previous reference year and ends on September 30 of the reference year. For example, the 2020 Water Year began on October 1, 2019 and ended on September 30, 2020.
    % Avg Value Departure Normal
Point Monthly
   
WY
   
Grid Monthly
WY
Basin
Avg		 Monthly
     
WY
     
Forecast
Group		 WY
     


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Forecast Precipitation (QPF)

CNRFC Forecast Data
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WPC Forecast Data
Day 1 issued:
Day 2 issued:
Day 3 issued:
Days 1-3 issued:
Days 1-7 issued:
WPC 6-Hourly QPF
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WPC 24-Hourly QPF
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WPC 72-Hourly QPF

WPC 7-Day QPF

Observed Temperatures

Point Data
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QC data updated:
Instantaneous Temperatures
Temp Change:
Max/Min Temperatures
24-Hour Max
Ending 12Z
(4 AM PST)		 24-Hour Min
Ending 12Z
(4 AM PST)		 Daytime
Max *		 Overnight
Min **
* Updated: 9 PM   **Updated: 9 AM  
Gridded Data
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Forecast Temperatures

Basin Temperature Plots
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Forecast Temperature Grids
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Freezing Levels

Observed Freezing Levels
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Forecast Freezing Levels
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Flash Flood Guidance/Debris Flow

Flash Flood Guidance Grids
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Post-Wildfire Debris-Flow Basin Probability
Debris Flow Probability (peak 15-min rainfall intensity of 24 mm/hr)

More info: USGS post-wildfire debris-flow hazards

Water Temperatures

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Climate/Drought

U.S. Drought Monitor

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Climate Prediction Center Outlooks
Drought Outlooks
Extended Range Outlooks
Precipitation
Temperatures
Long Lead Outlook
Precipitation
Temperatures

QPF Verification

24-Hour QPF Verification Grids
Images created:
Date: (ending 4am PST / 5am PDT) Select forecast to verify:
Day 1 forecast created Tue Jan 25, 2022


    QPE    
QPF

Watches/Warnings/Advisories

Last updated:
 

Mid-Atlantic RFCOhio RFCNortheast RFCNorth-Central RFCMissouri Basin RFCLower Mississippi RFCWest Gulf RFCArkansas-Red Basin RFCSoutheast RFCNorthwest RFCColorado Basin RFCCalifornia-Nevada RFCAlaska-Pacific RFCMap showing all 13 RFCs
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River Guidance Points Forecast Above Specified Stage Definitions  (Select NWS ID for Specified Graphical RVF)
NWS IDRiver / CreekGage / StationMonitor
Stage		Flood
Stage		Danger
Stage		Max Forecast
Stage		Max Forecast
Flow		Forecast
Status

*** NO River Guidance (Flood Forecast) Points Currently Forecast At Or Above Critical Stage Definitions ***

** NOTE **  Stage is presented in "Feet" while Flow is presented in "cfs".
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 ]Jan 26 2022 at 7:42 AM PSTJan 26 2022 at 3:00 PM PST
RNRussian Napa[ Alternate Link ]Jan 26 2022 at 7:42 AM PSTJan 26 2022 at 3:00 PM PST
USAUpper Sacramento[ Alternate Link ]Jan 26 2022 at 7:55 AM PSTJan 26 2022 at 3:00 PM PST
LSCLower Sacramento[ Alternate Link ]Jan 26 2022 at 8:11 AM PSTJan 26 2022 at 3:00 PM PST
SJSan Joaquin[ Alternate Link ]Jan 26 2022 at 8:22 AM PSTJan 26 2022 at 3:00 PM PST
CCCentral Coast[ Alternate Link ]Jan 26 2022 at 7:42 AM PSTJan 26 2022 at 3:00 PM PST
SCASouthern California[ Alternate Link ]Jan 26 2022 at 7:43 AM PSTJan 26 2022 at 3:00 PM PST
ESEastern Sierra[ Alternate Link ]Jan 26 2022 at 7:46 AM PSTJan 26 2022 at 3:00 PM PST
HBTHumboldt[ Alternate Link ]Jan 26 2022 at 7:47 AM PSTJan 26 2022 at 3:00 PM PST
SAC Sacramento Delta (Tides) [ Alternate Link ]Jan 26 2022 at 6:43 AM PSTJan 27 2022 at 9:00 AM PST
 
** NOTE 1 **  The Klamath and North Coast river guidance points are included in the North Coast Forecast Group.
** NOTE 2 **  The Feather Yuba and American river guidance points are included in the Lower Sacramento River Forecast Group.
** NOTE 3 **  The Delta Region, Upper and Lower San Joaquin river guidance points are combined in the San Joaquin River Forecast Group.
CNRFC Daily Briefing
Observed Precipitation Graphical Discussion Forecast Precipitation
** Note ** Click on Indvidual Images to Expand.
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
California Nevada River Forecast Center
3310 El Camino Avenue, Room 227
Sacramento, CA 95821-6373
(916) 979-3056

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