Dvorak technique
...that the intensity of a tropical cyclone is usually determined by the Dvorak technique using only visible and infrared satellite images?
...that the intensity of a <a href="./Tropical_cyclone" id="mwAQ4" rel="mw:WikiLink" title="Tropical cyclone">tropical cyclone</a> <i id="mwAQ8">(pictured)</i> is usually determined by the <b id="mwARA"><a href="./Dvorak_technique" id="mwARE" rel="mw:WikiLink" title="Dvorak technique">Dvorak technique</a></b> using only visible and infrared <a href="./Weather_satellite" id="mwARI" rel="mw:WikiLink" title="Weather satellite">satellite images</a>?