Google Earth Water Supply Forecast Data Layer
Opening the water supply forecast data layer in
the Google Earth application allows you to view and zoom in on data in a three-dimensional view.
The Google Earth application requires a fast internet connection. Ensure your system matches the
requirements outlined by
2) Download and install the Google Earth application. If you have
any problems, consult the Google Earth Support webpage.
Note: There are alternatives to Google Earth, such as NASA's WorldWind and ESRI's
ArcExplorer, both of which are free.
3) Download the water supply forecast ".kmz" data file from the link
below. The application may automatically launch on opening the file.
Download KMZ File
4) Browse around or zoom in to your basin of interest. Click
individual sites for more information, both on the map and in the "Places"
frame on the left. Use the "Places" frame to find a specific water
supply forecast, organized by hydrologic region.
5) Anytime you use this application, come to this webpage and click
on the above links to the data files. Important!
If you save the ".kmz" file locally to your computer, it will only
contain the data from the day you acquired it and will not automatically
refresh. To ensure you have the latest data, always come back to this
These files are updated periodically as the forecasts are finalized and
published, typically less than five days after the
nominal issue date of the forecast. The symbols are color-coded by the
50% exceedence value of the forecast as a percent of the 1981-2010 normal.
This value does not represent the uncertainty of the forecast. For forecasts at other exceedence probabilities, refer to the individual state reports.
Clicking on a symbol will reveal additional
information, including details about the forecasts, and links to
additional reports and web pages.
Stations are organized in the “Places” tab by hydrologic region. Click on
the check box to display individual sites or entire
regions. The top folder also allows the addition (or removal) of the NRCS
logo and legend.