Tropical Rainfall Measuring Mission:
http://trmm.gsfc.nasa.gov/
http://disc.sci.gsfc.nasa.gov/precipitation/trmm_intro.shtml
NASA's Hurricane Mission
http://www.nasa.gov/mission_pages/hurricanes/main/index.html
NASA's Scientific Visualization Studio - Hurricane Resource
http://svs.gsfc.nasa.gov/Gallery/HurricaneResources.html
National Hurricane Center - Tropical Prediction Center (NOAA):
http://www.nhc.noaa.gov/
Atlantic Oceanographic and Meteorological Laboratory
http://www.aoml.noaa.gov/themes/Hurricanes/hurricanes.html
General hurricane information
http://observe.arc.nasa.gov/nasa/earth/hurricane/creation.html
WINDS - Measuring ocean winds from space
http://winds.jpl.nasa.gov/
PODAAC - data access to ocean surface topography, vector winds, sea surface temperatures and more!
http://podaac.jpl.nasa.gov/cgi-bin/hurr/globe.pl
FNMOC -Fleet Numerical Meteorology and Oceanography Center
https://www.fnmoc.navy.mil/tcweb/cgi-bin/tc_home.cgi
CAMEX Campaign at Marshall Space Flight Center - Originally created as part of the NASA's CAMEX for Hurricane study, it provides a great resource for current and historical NASA images of hurricanes and tropical storms.
http://www.nasa.gov/centers/marshall/news/camex/index.html
CAMEX 1998 Campaign - Hurricane Georges (with links to all previous 1998 CAMEX-3 reports):
http://science.nasa.gov/newhome/headlines/essd23sep98_1.htm
Hurricane Hunters:
http://www.hurricanehunters.com/