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Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind; spindrift begins to be seen Whole trees in motion; inconvenience felt when walking against the wind 8 Gale, fresh gale 34–40 knots 39–46 mph 62–74 km/h 17.2–20.7 m/s 18–25 ft 5.5–7.5 m
The old scale lists an F5 tornado as wind speeds of 261–318 mph (420–512 km/h), while the new scale lists an EF5 as a tornado with winds above 200 mph (322 km/h), found to be sufficient to cause the damage previously ascribed to the F5 range of wind speeds.
The National Weather Service issues a similar high wind warning (Specific Area Message Encoding code: HWW) for high winds on land. The criteria vary from place to place; however, in most cases, the warning applies to winds of 40 miles per hour (64 km/h) to 73 miles per hour (117 km/h) for at least 1 hour; or any gusts of 58 miles per hour (93 km/h) to 114 miles per hour (183 km/h) on land.
Peak gusts of 50 mph to 70 mph are possible along the coast and valleys, while sustained winds are expected to be between 25 mph to 40 mph. Isolated gusts of up to 100 mph are possible in the ...
Frame-home structural damage cannot exceed total destruction and debris dispersal, which constitutes F5 damage. A tornado with wind speeds greater than 319 miles per hour (513 km/h) is possible, as the 1999 Bridge Creek-Moore Tornado did have 321 mph (517 km/h) winds, but that measurement was not near ground level.
With more dangerous winds coming, ... while sustained winds are expected to be 25 mph to 40 mph. Ahead of Jan. 7, the weather service warned of damaging wind gusts of 50 mph to 80 mph, with ...
The most extreme tornadoes can attain wind speeds of more than 480 kilometers per hour (300 mph), can be more than 3 kilometers (2 mi) in diameter, and can stay on the ground for more than 100 km (62 mi). [3] [4] [5] Various types of tornadoes include the multiple-vortex tornado, landspout, and waterspout. Waterspouts are characterized by a ...
A fast-moving storm system is rapidly ... Strong winds gusting up to 45 mph will make travel ... Clipper system dives through Northeast bringing dangerous snow squalls, high winds. Show comments.