Weather Data
ATOC Weather Network
ATOC CU-Boulder Weather Observations
ATOC Lafayette, CO Weather Observations
NCAR Real-time Weather Data - nice satellite images and loops, radar data, and weather maps
Univeristy of Wyoming Weather Web - lots of weather data here
Plymouth State - excellent archived data and make-your-own weather maps
WW2010 - good current and archived surface and satellite data
Unisys - lots of weather data (model, obs, etc.)
University of Wisconsin
Interesting Weather Events
AMS DataStreme Page - good daily weather summaries
National Weather Service
Boulder National Weather Service - local forecasts
National Weather Service Main Page - get forecasts from NWS offices all over the country
NCEP Daily Weather Map
NWS Model Output Statistics
NCEP Ensemble Forecasts
NCAR Foothills Lab - weather data from NE Boulder
NCAR Mesa Lab - weather data from Table Mesa
Niwot Ridge - weather data from 12,264 feet
Severe Weather
Storm Prediction Center - severe thunderstorm forecasts, severe weather reports
IWIN National Warnings - read the text of warnings issued by the NWS for the US
National Hurricane Center - tropical weather information from the NWS
CIMSS Tropical Cyclones - tropical weather information from the Univ. of Wisconsin
Climate Data
Climate Data Center - US climate data
Climate Data Center / Boulder Data - climate information for Boulder
Western Regional Climate Center - climate data for the Western US
Snow
Colorado Road Conditions
SNOTEL Individual Station plots - snow and temperature data from mountain locations in the Western US
SNOTEL Basin Average Data
Colorado Avalanche Center
National Snow and Ice Data Center - polar data
Clouds
John Cassano's photos
Greg Thompson's In the Clouds Photography
Cloud Gallery
Plymouth State College Cloud Boutique
Univ. of Illinois WW2010 Cloud Types
Univ. of Guelph Identification of Clouds