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NOAA / NWS News and Local CNRFC Information

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

Data updated:
Ensemble Forecasts
Data updated:


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
Data updated:

Latest Hour 1 Hr Ago 2 Hrs Ago 3 Hrs Ago
Forecast Points
Other Points
Reservoirs
Deterministic Forecast + Observed Data
Fcst data updated:
Obs data updated:
Forecast Points 
Link to




Significant River Flood Outlook
Data updated:
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



Select date:     To:
Point Data
Data updated:
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

Raw data updated:
QC data updated:   
Most Recent Hours (Raw):












6-Hour Totals (QC'd = Quality-Controlled)
Ending 18Z (11 AM PDT) Ending 00Z (5 PM PDT) Ending 06Z (11 PM PDT) Ending 12Z (5 AM PDT)
 
  
  
  
24-Hour Totals (QC'd = Quality-Controlled)


Short-Range Gridded Data
Images created:






     
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
     


 From Water Year:   to: 

Forecast Precipitation (QPF)

CNRFC Forecast Data
Forecast issued:
 
 

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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
Select forecast time:  


WPC 24-Hourly QPF
Select forecast time:  


WPC 72-Hourly QPF

WPC 7-Day QPF

Observed Temperatures

Point Data
Data updated:
QC data updated:
Instantaneous Temperatures
Temp Change:
Max/Min Temperatures
24-Hour Max
Ending 12Z
(5 AM PDT)		 24-Hour Min
Ending 12Z
(5 AM PDT)		 Daytime
Max *		 Overnight
Min **
* Updated: 10 PM   **Updated: 10 AM  
Gridded Data
Images created:
 
 

Select obs time:  







Forecast Temperatures

Basin Temperature Plots
Images created:


Forecast Temperature Grids
Images created:




  







  




Freezing Levels

Observed Freezing Levels
Images created:
  

Select forecast time:  


Forecast Freezing Levels
Forecast issued:
  

Select forecast time:  


Flash Flood Guidance/Debris Flow

Flash Flood Guidance Grids
Images created:



Note: Recent burn areas are typically more vulnerable to flash flooding and debris flows. Check with your local NWS Forecast Office for fire specific guidance.

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

Data updated:






Climate/Drought

U.S. Drought Monitor

Select issuance date range:
From:     To:

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 Sun Aug 7, 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
RVBC1SACRAMENTO RIO VISTA 7.411.912.98.0N/AAbove Monitor

** 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 ]Aug 08 2022 at 7:14 AM PDTAug 09 2022 at 9:00 AM PDT
RNRussian Napa[ Alternate Link ]Aug 08 2022 at 7:13 AM PDTAug 09 2022 at 9:00 AM PDT
USAUpper Sacramento[ Alternate Link ]Aug 08 2022 at 7:08 AM PDTAug 09 2022 at 9:00 AM PDT
LSCLower Sacramento[ Alternate Link ]Aug 08 2022 at 7:18 AM PDTAug 09 2022 at 9:00 AM PDT
SJSan Joaquin[ Alternate Link ]Aug 08 2022 at 7:56 AM PDTAug 09 2022 at 9:00 AM PDT
CCCentral Coast[ Alternate Link ]Aug 08 2022 at 7:17 AM PDTAug 09 2022 at 9:00 AM PDT
SCASouthern California[ Alternate Link ]Aug 08 2022 at 7:28 AM PDTAug 09 2022 at 9:00 AM PDT
ESEastern Sierra[ Alternate Link ]Aug 08 2022 at 7:29 AM PDTAug 09 2022 at 9:00 AM PDT
HBTHumboldt[ Alternate Link ]Aug 08 2022 at 7:21 AM PDTAug 09 2022 at 9:00 AM PDT
SAC Sacramento Delta (Tides) [ Alternate Link ]Aug 08 2022 at 6:40 AM PDTAug 09 2022 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 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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