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USPS® Weather Course
Supplemental Slide Set
Thunderstorms
& Tornadoes
Supercell
Copyright National Oceanic and Atmospheric Administration.
Supercell
Copyright National Oceanic and Atmospheric Administration.
Supercell
Copyright National Oceanic and Atmospheric Administration.
Isolated Severe Thunderstorm
Copyright National Oceanic and Atmospheric Administration.
Severe Thunderstorm
Copyright National Oceanic and Atmospheric Administration.
Thunderstorm Outflow
Copyright National Oceanic and Atmospheric Administration.
Wall Cloud
Copyright National Oceanic and Atmospheric Administration.
Wall Cloud
Copyright National Oceanic and Atmospheric Administration.
Wall Cloud with Tail Cloud
Copyright National Oceanic and Atmospheric Administration.
Circular Base of Rotating Wall Cloud
Copyright National Oceanic and Atmospheric Administration.
Approaching Thunderstorm
Copyright National Oceanic and Atmospheric Administration.
Lead Gust Front & Shelf Cloud
Approaching Thunderstorm
Copyright National Oceanic and Atmospheric Administration.
Lead Gust Front & Shelf Cloud
Turbulent Gust Front Clouds
Copyright National Oceanic and Atmospheric Administration.
Funnel Cloud Approaching Ground
Copyright National Oceanic and Atmospheric Administration.
Developing Tornado
Copyright National Oceanic and Atmospheric Administration.
Early Stage Development Continues
Mature Stage Very Mature Stage
Union City Tornado - 1973
Copyright National Oceanic and Atmospheric Administration.
Arcadia Tornado - 1974
Copyright National Oceanic and Atmospheric Administration.
Lakeview, Texas - 1977
Copyright National Oceanic and Atmospheric Administration.
Mayfield Tornado - 1977
Copyright National Oceanic and Atmospheric Administration.
Shamrock Tornado - 1977
Copyright National Oceanic and Atmospheric Administration.
Wichita Falls Tornado - 1979
Copyright National Oceanic and Atmospheric Administration.
Tornado with Associated Dust Cloud
Copyright National Oceanic and Atmospheric Administration.
“Rope” or Decay Stage of Tornado
Copyright National Oceanic and Atmospheric Administration.
Project VORTEX
Copyright National Oceanic and Atmospheric Administration.
Waterspouts in the Bahamas
Copyright National Oceanic and Atmospheric Administration.
Waterspout off Florida Keys - 1969
Copyright National Oceanic and Atmospheric Administration.