National Weather Service GIS - AWIPS Shapefile Database

ArcView/ArcGIS Tutorials - How to edit shapefiles
AWIPS ArcView FAQ - Frequently Asked Questions to the AWIPS GIS Map Group regarding ArcView/ArcGIS and AWIPS
AWIPS Shapefile Status - For AWIPS users, information about AWIPS Specific Shapefiles
GIS Weather Data - Links to NWS weather data for GIS users

AWIPS Shapefile Clearinghouse - NOTE: The Department of Commerce, National Oceanic and Atmospheric Administration, and National Weather Service do not endorse any particular product, company, information provider, or content on referenced sites.
NWSM Libraries	Hydrologic Libraries	Code Listings for Special Applications
County Warning Area Boundaries (Source: NWSM 10-507) Public Zone Boundaries (Source: NWSM 10-507) Coastal and Offshore Marine Zones (Source: NWSM 10-302) Fire Weather Zone Boundaries (Source: WFOs and Regional HQ)	River Forecast Center Regions (Source: NOHRSC) River Basins (Source: NOHRSC) Lakes (Source: USGS National Map) Rivers and Streams (Source: NOHRSC) HSA Boundaries (Source: CWA and river basin boundaries)	Coastal and Offshore Marine Codes Listings for EAS and NWR Applications Public Forecast Zone-County Correlation File (Source: County and Public Zones shapefiles)
Utilities/Tools	Cities and Urban Areas	States, Provinces & Counties
Data Conversion, Map Editing Utilities (Free software for file conversion to/from various formats and ArcView map editing utility extensions and scripts) ArcExplorer™ for Windows™,UNIX, Linux (A free lightweight GIS data viewer from ESRI* allows you to download and view Shapefiles) NWS GIS Mailing List (For NOAA/NWS Users Only)	Cities (Source: FSL, Census, GNIS) Urban Boundaries (Source: TIGER 2000)	U.S. States and Territories (Source: USGS DLG, Census TIGER95) Canadian Provinces (Source: Natural Resources Canada, Nunavut Planning Commission) NWS Regions (Source: U.S. States) AWIPS Counties Source: USGS DLG, TIGER Counties at 1:100K Source: Census TIGER2000
	Misc. Data
	CONUS Digital Terrain (Source: NGDC DTM [30 arcsec], extracted from WFO-Advanced, Jul 97) Basemap data from NOHRSC

Following resources will help you view these GIS files.
	NASA World Wind viewer (latest version 1.4 released February 14, 2007) - free download from NASA
	GoogleEarth viewer - KML file format support - free download from Google.com
	ESRI's ArcGIS Explorer - KML file format support - free download from ESRI.com
	FME (Feature Manipulation Engine) that converts data in one format to another - KML file format support - (Purchase) - download from Safe.com
	ArcGIS extension that allows ESRI software to read KML until the next full release of ESRI software that will natively support KML/KMZ - (Purchase) - download from KMLer.com