Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

ESRI Shapefiles are offered for GIS analysts and agencies looking to create their own maps in ArcGIS and perform spatial modeling/analysis.

Interactive web maps are also available through the use of ArcGIS Online & the NOAA GeoPlatform for those that don't have GIS software installed on their PC, but would still like to view detailed GIS information from the convenience of their web browser or mobile device.

What is a GIS?

A Geographic Information System (GIS) integrates hardware, software, and data for capturing, managing, analyzing, and displaying all forms of geographically referenced information. GIS allows us to view, understand, question, interpret, and visualize data in many ways that reveal relationships, patterns, and trends in the form of maps, globes, reports, and charts.