NOAAWatch - Offeris information about ongoing environmental events, and explains the role of NOAA in prediction, monitoring, and recovery from environmental hazards.
NWS/SPC's Severe Weather Information - By organizing information from the National Weather Service and the Storm Prediction Center, Tom Priddy (EDEN POC for the University of Kentucky) has made it possible for you to easily access real time severe weather information for your state.
USGS - Latest Earthquakes in the USA http://earthquake.usgs.gov/eqcenter/recenteqsus/
USGS WaterWatch - Map of real-time streamflow compared to historical streamflow for the day of the year (United States) - http://waterwatch.usgs.gov/
NOAA-NWS Floods and Flood Prediction - - http://www.weather.gov/ahps/hic/index.php/index/
NOAA-NWS National Flood Outlook - - http://www.hpc.ncep.noaa.gov/nationalfloodoutlook/
NOAA-NWS National Hurricane Center - Tropical Storm Prediction - http://www.nhc.noaa.gov/
USGS Volcanic Activity - - http://volcano.wr.usgs.gov/activity/index.php
USGS Fire Weather - - http://www.spc.noaa.gov/products/fire_wx/overview.html
Forest Service Active Fires - - http://activefiremaps.fs.fed.us/