CDR Robert L. Calhoun, USN Aviation and Weather The Turbomentor The Orion The Skyhawk USS Eisenhower Aircraft and Ships Desert to Tropics Suez Canal Canal Zone, Panama Andoya, Norway Thule, Greenland Hot to Cold Negev Desert, Israel Andya, Norway Calm and Stormy Seas Eastern Pacific North Atlantic Glaciers and Volcanoes Mt Aetna, Sicily Vatnajokull, Iceland The atmosphere affects you on the ground and in the air Hazards0Lightning.html Atmosphere Earth-Atmosphere Energy Balance Diagram Hydrologic Cycle Diagram Movement Seasons Circulation More Circulation How clouds are made Lifting More Lifting Cloud Types Nimbo-form Cirro-form Cumulo-form Strato-form National Weather Service tools Radar Satellite Graphics Built by thousands of reporting stations Winds Turbulence Whats a TAF? KAUS Z G22KT P6SM SCT025 BKN035 FM KT P6SM SCT050 SCT250 FM KT P6SM OVC025 FM KT 5SM BR OVC009 FM G25KT P6SM BKN025 The Code Obscuration BR Mist (Foggy conditions with visibilities greater than 5/8 statute mile) FG Fog (visibility 5/8 statute mile or less) FU Smoke DU Dust SA Sand HZ Haze PY Spray VA Volcanic AshPrecipitation DZ Drizzle RA Rain SN Snow SG Snow Grains IC Ice Crystals PE Ice Pellets GR Hail GS Small Hail or Snow Pellets (less than 1/4 inch in diameter) Instrument Approach Quiz Lajes, Azores Keflavik, Iceland Questions?