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Wildfires rip through Victoria, Australia. In Texas, a skydiving training session ends in disaster when there's a major midair collision at 30,000 feet.
In Arkansas, two storm chasers help warn people that a tornado is barrelling towards them, wreaking havoc on downtown Jonesboro and leaving a trail of destruction. In Idaho, a daredevil adventurer decides to swim beneath a frozen lake.
In Australia, the worst bushfires in recent history attack multiple towns - overwhelming firefighters and trapping tourists; The Philippines is usually resilient to natural disasters, but a 6.4 magnitude earthquake catches everyone off-guard.
A record-breaking cyclone wrecks South Pacific islands; a cruise ship becomes stranded in a storm; two friends get caught in a deadly avalanche.
Hurricane Florence causes biblical-level flooding in North Carolina; a magnitude seven earthquake rocks Anchorage, Alaska; a colossal wave swamps a surfer in Nazaré, Portugal.
Wildfires devastate the seaside village of Mati in Greece; monster hail pummels tourists and zoo animals in Colorado; hikers in Turkey fight for survival after they're stranded by a flash flood; a tornado rips off roofs and catapults cars in Canada.
Hurricane Michael rips across the Florida panhandle, trapping a storm chaser; the UK coast guard battles gale force winds to save fishermen stranded on the hull of their capsized trawler; an adventurer suffers extreme heat stroke in the Gobi Desert.
As the deadliest wildfire in Californian history tears across the state, one man battles the flames in a bid to save his home; a tornado tears apart a woman's home in Arkansas; in Uruguay, a helicopter rescue team tries to reach a trapped canoeist.