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Sierra Snowpack and Stream Flow Data / Maps

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Sierra Snowpack and Stream Flow Data / Maps

Postby ERIC » Fri Feb 27, 2009 11:32 am

This thread lists some of the available online resources for obtaining Sierra Nevada snow pack, river and stream flow data/info:

DWR Bulletin 120

National Snow Analyses - NOHRSC - Sierra Nevada Maps

National Snow Analyses 3D Interface - NOHRSC - Sierra Nevada GoogleEarth kmz files

Daily regional snowpack plots

Current Snowpack by Watershed

Most Recent Snow ( Water Content ) Data by Location

Active Snow Depth Sensors in California

River Flows

Avalanche Information: viewtopic.php?f=5&t=3640" onclick="window.open(this.href);return false;

Good List of Snow Hydrology Links: http://www.westernsnowconference.org/snowLinks.html" onclick="window.open(this.href);return false;

DWR Current Water Conditions Website: http://www.water.ca.gov/waterconditions/" onclick="window.open(this.href);return false;


Please post any useful resources I've missed to this thread and I'll update the list.
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Re: Sierra Snowpack Data & Maps

Postby paul » Mon Mar 02, 2009 8:59 pm

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Re: Sierra Snowpack Data & Maps

Postby hikehigh » Tue Mar 03, 2009 5:08 pm

Cool website. That has a lot more information than the State of California site.
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Re: Sierra Snowpack and Stream Flow Data / Maps

Postby ERIC » Sun May 15, 2011 8:11 am

I've seen a number of people posting snowpack links recently in other threads. Think most have been CDEC (by the way, CDEC is in fact a State of California site). CDEC is listed multiple times above, but if there are any other links besides CDEC that need to be added to this list please let me know.
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Re: Sierra Snowpack and Stream Flow Data / Maps

Postby ERIC » Fri Jan 27, 2012 9:38 am

A new tool from California Department of Water Resources...

Water Conditions Website: http://www.water.ca.gov/waterconditions/
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Re: Sierra Snowpack and Stream Flow Data / Maps

Postby tomba » Tue Apr 30, 2013 9:52 pm

http://postholer.com/gmap/gmap.php
Select "Snow Depth" from "Map Skins".
Zoom in to the area of interest.
Chose MyTopo map type.
If the snow data obscures the map, select "Clear Skin" from "Map Skins".
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Re: Sierra Snowpack and Stream Flow Data / Maps

Postby Fly Guy Dave » Wed May 01, 2013 7:18 am

tomba wrote:http://postholer.com/gmap/gmap.php
Select "Snow Depth" from "Map Skins".
Zoom in to the area of interest.
Chose MyTopo map type.
If the snow data obscures the map, select "Clear Skin" from "Map Skins".


Wow! That is SUPER useful. I have been looking for something like this for a long time. Thanks for passing that along.

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Re: Sierra Snowpack and Stream Flow Data / Maps

Postby KathyW » Tue Sep 03, 2013 7:17 pm

Here are drought forecasts:

http://www.cpc.ncep.noaa.gov/index.php

It's not looking so great.
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Re: Sierra Snowpack and Stream Flow Data / Maps

Postby Joseph » Sat Apr 04, 2015 5:03 am

Below is a link to an online map that displays all of the California weather and stream data collection stations. Many stations in the mountains collect data on snow depth and water equivalent.

This station data is hosted on a GIS (Geographical Information System) server operated by the state. If you click on a symbol then all the attribute data for the thing that you clicked will be delivered from the GIS server to your screen.

The attribute data includes a link that leads to detailed information for that station. For stations that collect snow data you will be able to display a graph showing snow depth or water equivalent over time. You can also play with various settings and produce custom graphs.

I wish there was a way to produce a map that only showed stations with snow data but, alas, to the best of my knowledge the data currently available on the state’s GIS server does not make that possible.

For an example of a station that has snow data, click the symbol directly below the center of the map.

For tips on using the map, click the “About this map” link in the upper left corner.

http://www.mappingsupport.com/p/gmap4.p ... rought.txt

Joseph, the Gmap4 guy
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Re: Sierra Snowpack and Stream Flow Data / Maps

Postby markskor » Tue Apr 07, 2015 2:42 pm

FWIW, just shoveled a foot of heavy snow off my jeep. O:)
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