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When Hurricane Ian made landfall along Florida's Gulf Coast on Sept. 28, 2022, Fort Myers, Florida, and surrounding areas were blasted by the right front quadrant and sustained catastrophic damage.
The strongest winds in a northern hemisphere tropical cyclone is located in the eyewall and the right front quadrant of the tropical cyclone. Severe damage is usually the result when the eyewall of a hurricane, typhoon or cyclone passes over land. The right front quadrant is also an area of a tropical cyclone were the winds are strongest.
Wind speed and the speed of a storm or hurricane's forward motion determine how much water accumulates ahead of a storm. Often the strongest winds are in the right front quadrant of a moving storm.
By 1922, it was known that the winds at 3 kilometres (9,800 ft) to 4 kilometres (13,000 ft) in height above the sea surface within the storms' right front quadrant were representative of a storm's steering, and that hurricanes tended to follow the outermost closed isobar of the subtropical ridge. [2]
He found that a larger proportion of rainfall falls in advance of the center (or eye) than after the center's passage, with the highest percentage falling in the right front quadrant. Father Viñes of Cuba found that some tropical cyclones have their highest rainfall rates in the rear quadrant within a training (non-moving) inflow band. [3]
Tornadoes spawned by hurricanes and tropical storms most often occur in the right-front quadrant of the storm, but sometimes they can also take place near the storm’s eyewall, according to NOAA.
Cross section of a mature tropical cyclone. A typical tropical cyclone has an eye approximately 30–65 km (20–40 mi) across at the geometric center of the storm. The eye may be clear or have spotty low clouds (a clear eye), it may be filled with low-and mid-level clouds (a filled eye), or it may be obscured by the central dense overcast.
"The right-front quadrant of the storm was in an abnormally primed environment to produce tornadoes." Since 1995, hurricanes and tropical storms have spawned more than 1,700 tornadoes, Edwards said.