Example image of eyePlorer eyePlorer map for 'Tropical cyclone': Low-pressure area Storm Thunderstorm Condensation Earth's atmosphere Water vapor European windstorm Nor'easter Polar low Doldrums Equator Tropics Clockwise Cyclone Northern Hemisphere Southern Hemisphere Rain Storm surge Tornado Flood Drought Atmospheric circulation Latitude Temperateness Troposphere Tropical cyclogenesis El Niño-Southern Oscillation Madden–Julian oscillation Eye (cyclone) Atmospheric pressure Sea level Angular momentum Radius of maximum wind Contour line North Atlantic tropical cyclone Vorticity Solar heating Gravitation Heat engine Rotation Mesoscale convective complex Vertical draft Positive feedback Coriolis effect Tropical climate Extratropical cyclone Gradient Joule National Center for Atmospheric Research Nuclear weapon