National Weather Service United States Department of Commerce

Powerful Storms Impacting both the West and East Coasts

A heavy precipitation event is expected in California over the next couple days. Several inches of rain may lead to flash flooding in southern/central California, including debris flows from burn scars. Up to 5 feet of snowfall is expected in the Sierra Nevada. Meanwhile, the 4th Nor'easter of March will bring heavy snow, wind, and coastal flooding to the Mid-Atlantic and New England. Read More >

Many of the National Weather Service data sets are available in formats that are able to be imported directly into Geographic Information Systems (GIS) or your own custom map viewers or web pages.  Data formats include downloadable shapefiles, web services, KML files and geo-referenced images.

As more data is made available in these formats, links to the data will be added to these pages. Click one of the GIS format links above to start exploring the NWS GIS data currently available!

The display below utilizes an ESRI Story Map to show various types of NWS data that are available for public use.  There are many links within the Story Map that can provide you with additional information about how you can use NWS data for yourself.

Please email us if you have any comments or questions.

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