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The Lockheed Martin/Boeing F-22 Raptor is an American twin-engine, all-weather, supersonic stealth fighter aircraft.As a product of the United States Air Force's Advanced Tactical Fighter (ATF) program, the aircraft was designed as an air superiority fighter, but also incorporates ground attack, electronic warfare, and signals intelligence capabilities.
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For purposes such as tornado climatology studies, Enhanced Fujita scale ratings may be grouped into classes. [52] [53] [54] Classifications are also used by NOAA's Storm Prediction Center to determine whether the tornado was "significant". This same classification is also used by the National Weather Service.
Hurricane warning HUW – Hurricane conditions (sustained winds of 64 knots [74 mph; 119 km/h] or greater) are expected within the specified coastal or inland area within 36 hours in advance of the forecast onset of tropical-storm-force winds. A Hurricane Warning can remain in effect if dangerously high storm surge, or a combination of ...
Plot of tornadoes by F-scale and severe thunderstorms of the Agnes outbreak. June 19, 1972– Hurricane Agnes strikes Panama City with minimal hurricane-force winds and a storm surge peaking at 7 feet (2.1 m) in Cedar Key. Agnes produces moderate rainfall throughout the state, amounting to a maximum of 8.97 inches (228 mm) in Naples. [48]
An EF5 tornado can generate ground winds of unbelievable speed; common sense dictates that an aircraft should never be close to such a meteorological phenomenon. Indeed the wind speed can reach 130 metres per second (250 kn), and one can easily guess that the aircraft can be torn into pieces in such conditions.
The smaller Tornado has many similarities with the F-111, however the Tornado differs in being a multi-role aircraft with more advanced onboard systems and avionics. [ 60 ] The level of wing sweep (i.e. the angle of the wings in relation to the fuselage) can be altered in flight at the pilot's control.
The International Fujita scale (abbreviated as IF-Scale) rates the intensity of tornadoes and other wind events based on the severity of the damage they cause. [1] It is used by the European Severe Storms Laboratory (ESSL) and various other organizations including Deutscher Wetterdienst (DWD) and State Meteorological Agency (AEMET).