Sirens will sound and alerts will be broadcast in bid to make residents and businesses aware of planning for a natural ...
The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.
It is a century since a powerful tornado ripped through three U.S. states, killing hundreds and injuring thousands.
Most tornadoes have wind speeds well under the 201 mph threshold for EF5 ... to attain an EF5 rating as the EF scale is ...
Most tornadoes have wind speeds well under the 201 mph threshold ... the EF scale is designed right now than it was to attain an F5 rating on the legacy Fujita scale," Lyza said.
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