There are the sites I use to check out tropical cyclone activity. You may also be interested in looking at my list of links for weather models.
- National Hurricane Center
- Japan Meteorological Agency
- Colorado State
- Real-Time Tropical Cyclone Products
- Real-Time North Atlantic Statistics – Shows ACE ratings of storms. ACE is a measure of how much energy a cyclone exerts based on its wind speed measured every six hours.
- Aircraft Reconnaissance – Real-time data being collected by active hurricane hunter flights.