Tornadoes are some of the deadliest and most damaging weather phenomena. With several different tornado classifications, some types can cause more damage than others.
Still, no tornado threat should be taken lightly. With approximately 1,200 striking the United States every year, the risk of destruction is possible when a twister touches down. Damage is ranked on a scale of EF0 to EF5, with EF5 being the most catastrophic.
Damage varies between types as the strength of the storms produces different shapes, sizes and intensity.
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The humidity, temperature, terrain and other factors cause the development of various types.
Tornado warnings should always be taken seriously and the best way to be safe from incoming devastation is to be prepared and have a safety plan in place.
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Repeating and slow-moving storms will raise the risk of flash flooding and damaging winds over the northern and central High Plains into Thursday night.
Thunderstorms that have already brought the risk of severe weather to a portion of the mid-Atlantic states will continue track into the Northeast through Thursday night.
As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave.
Rounds of showers and thunderstorms moving westward off the coast of Africa may pave the way for future tropical systems over the Atlantic Ocean in the weeks ahead.
Highs will run between 10 and 15 degrees Fahrenheit above average across much of the interior western United States into the upcoming weekend.
A budding tropical system threatens to bring flooding rain to the Philippines into this weekend with potential future impacts on China and Taiwan.
Marquette, Il (1988)
99 degrees for a date record.
Hurricane Bertha formed 450 miles east of Jacksonville, FL. Maximum sustained winds of 75 mph with gusts to 90 mph.
Western Pacific (1990)
Typhoon Steve east of Iwo Jimo. Peak winds of 125 mph sustained gusts to 155 mph.