Climate Diagnostics Center

http://www.cdc.noaa.gov

Climate Prediction Center

http://www.cpc.noaa.gov

Cooperative Institute for Mesoscale Meteorology Studies

http://www.cimms.ou.edu/

Cooperative Institute for Meteorological Satellite Studies

http://cimss.ssec.wisc.edu/

Cooperative Institute for Research in the Atmosphere

http://www.cira.colostate.edu

Cooperative Institute for Research in Environmental Sciences

http://cires.colorado.edu/

National Climate Data Center

http://www.ncdc.noaa.gov

National Hurricane Center

http:/www.nhc.noaa.gov

National Weather Service

http://www.nws.noaa.gov

National Weather Service, Tucson Office

http://www.nws.noaa.gov/twc/

Univ. Corporation for Atmospheric Research (UCAR)

http://www.ucar.edu

UCAR RAP Weather

http://www.rap.ucar.edu/weather

Univ. Arizona, Department of Atmospheric Sciences

http://www.atmo.arizona.edu

Weather Underground

http://www.wunderground.com

Weathernet (Univ. of Michigan)

http://cirrus.sprl.umich.edu/wxnet

UCAR Image Archive

http://www.mmm.ucar.edu/imagearchive/