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    Watch: Drone footage captures devastation after deadly tornadoes in Mississippi

    02:00
  • Tornadoes kill dozens across Mississippi and Alabama

    04:59
  • Deadly tornadoes in Mississippi leave behind path of destruction

    01:21
  • Small tornado touches down outside Los Angeles

    02:04
  • Sandstorm puts Beijing's air quality at very hazardous level

    00:55
  • California hit with another storm bringing heavy rains and high winds

    01:16
  • Millions of dead fish clog Australian river after floods and hot weather

    01:00
  • Deadly earthquake shakes Ecuador

    01:30
  • Heavy rain in California easing historic drought

    01:27
  • Deadly flooding hits Turkey still recovering from earthquakes

    01:38
  • Tornado watches in effect for parts of the South

    01:59
  • Two dead after flooding fills canyons along Utah-Arizona border

    01:00
  • Video captures daring helicopter rescue of man trapped in LA river

    01:48
  • Watch: Man rescued from raging Los Angeles River

    00:59
  • Northeast hit with winter storm, California recovering from record rainfall

    02:07
  • Deadly flash floods hit parts of Turkey recovering from earthquake

    01:57
  • Thousands without power as winter storms slam Northeast

    03:43
  • Cyclone Freddy continues to wreak havoc in Southeastern Africa

    02:15
  • California braces for flooding while snow halts East Coast travel

    03:39
  • Northeast braces for heavy snowfall amid slow-moving nor’easter

    04:44

Tornado devastation ‘the worst I’ve ever seen’

01:59

The destruction in Moore, Okla., was over such an expansive area it rendered nearly every structure unrecognizable. The Weather Channel’s Mike Bettes speaks with Dr. Greg Forbes, severe weather expert, who says the stunning scene is the worst he’s ever seen.