Interactive Map Upgrade

Open the Map

On August 1, 2019, the National Water and Climate Center upgraded to a new, improved version of the interactive map. As part of this upgrade, older versions of the map are no longer supported.

If you have bookmarked map URLs, some of your bookmarks may no longer resolve. However, it's easy to convert the older URLs to the new map format.  Here’s a quick tutorial on How to Convert Bookmarks.

New Features in this Release

Water Supply Forecast Charting Tool

Open the Tool

Create regional water supply forecast exceedance probability charts using the Water Supply Forecast Charting Tool. This tool provides a visual representation of the streamflow forecast range showing the five exceedance probabilities compared to the 30-year average. More on water supply forecast charts.

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