NOAA / NWS News and Local CNRFC Information

NOAA's Climate Prediction Center Winter Outlook - NOAA's Climate Prediction Center has issued its US Winter Outlook for 2020-2021. Check out what is expected for the country this winter at the following NOAA Winter Outlook media release.

2020 Tide Tables Available - The 2020 tide tables are now available on our river forecast page.

All River Guidance (Flood Forecast) Points Are Currently and Forecast to Remain Below Critical Stages

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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.

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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.

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Peak Exceedance Probabilities*
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*Exceedance probabilities are only available for selected forecast points.

Observed Data
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Show only critical stages (applies to fcst pts only)

	Latest Hour	1 Hr Ago	2 Hrs Ago	3 Hrs Ago
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Observed Water Year Flow To Date (WY2021)

Previous Water Year Flow for WY:

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Month/Year:

Monthly Accumulated Flow (Data to Apr 2011)

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

% Normal		% Capacity
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Snow Data

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SWE	Tue 10/20	Mon 10/19
Sun 10/18	Sat 10/17	Fri 10/16
Thu 10/15	Wed 10/14	Tue 10/13

SWE Change

1 Day

5 Day

7 Day

Current Day SWE % of Normal

Current Day SWE % of Apr 1 Normal

Data updated:

Snow Depth	Tue 10/20	Mon 10/19
Sun 10/18	Sat 10/17	Fri 10/16
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Snow Depth Change

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Daily Archive (Data back to Apr 2014)
M/D/Y:

Monthly Archive (Data back to Jan 1998)
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	% Avg	Value
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Raw data updated:
QC data updated:

Most Recent Hours (Raw):
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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)
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QC'd	QC'd	QC'd	QC'd

24-Hour Totals (QC'd = Quality-Controlled)

Raw - Ending 12 UTC (5 AM PDT)

QC'd - Ending 12 UTC (5 AM PDT)

Short-Range Gridded Data
Images created:

6-Hour

24-Hour

48-Hour

72-Hour

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Monthly/Water Year Archive (starts Oct 1996)
Month/Year:

		% Avg	Value	Departure	Normal
Point	Monthly
Point	WY
Grid	Monthly
Grid	WY
Basin Avg	Monthly
Basin Avg	WY
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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
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Max T	Departure	24hr Chg	Normal


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Basin Obs/Fcst Temperature Plots

Forecast Temperature Grids
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Max T

Departure

24hr Chg

Normal

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Min T	Departure	24hr Chg	Normal

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Observed Freezing Levels
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Forecast Freezing Levels
Forecast issued:

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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)

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More info: USGS post-wildfire debris-flow hazards

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River Guidance Points Forecast Above Specified Stage Definitions (Select NWS ID for Specified Graphical RVF)

NWS ID	River / Creek	Gage / Station	Monitor 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 ID	Forecast Group		Issuance Time	Next Update Time
SE	North Coast	[ Alternate Link ]	Oct 20 2020 at 7:50 AM PDT	Oct 21 2020 at 9:00 AM PDT
RN	Russian Napa	[ Alternate Link ]	Oct 20 2020 at 8:05 AM PDT	Oct 21 2020 at 9:00 AM PDT
USA	Upper Sacramento	[ Alternate Link ]	Oct 20 2020 at 7:33 AM PDT	Oct 21 2020 at 9:00 AM PDT
LSC	Lower Sacramento	[ Alternate Link ]	Oct 20 2020 at 7:41 AM PDT	Oct 21 2020 at 9:00 AM PDT
SJ	San Joaquin	[ Alternate Link ]	Oct 20 2020 at 7:50 AM PDT	Oct 21 2020 at 9:00 AM PDT
CC	Central Coast	[ Alternate Link ]	Oct 20 2020 at 8:05 AM PDT	Oct 21 2020 at 9:00 AM PDT
SCA	Southern California	[ Alternate Link ]	Oct 20 2020 at 8:05 AM PDT	Oct 21 2020 at 9:00 AM PDT
ES	Eastern Sierra	[ Alternate Link ]	Oct 20 2020 at 8:19 AM PDT	Oct 21 2020 at 9:00 AM PDT
HBT	Humboldt	[ Alternate Link ]	Oct 20 2020 at 8:07 AM PDT	Oct 21 2020 at 9:00 AM PDT
SAC	Sacramento Delta (Tides)	[ Alternate Link ]	Oct 20 2020 at 6:15 AM PDT	Oct 21 2020 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.

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