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Hurricane Gladys (1964)
Hurricane Gladys was a tropical cyclone that caused minor impact along the East Coast of the United States and in Bermuda and Atlantic Canada. The ninth named storm and fifth hurricane of the 1964 Atlantic hurricane season, Gladys developed from a tropical wave located east of the Lesser Antilles on September 13. Shortly thereafter, it strengthened into a tropical storm. On September 14, Gladys abruptly intensified into a Category 2 hurricane on the Saffir–Simpson hurricane wind scale. However, early on the following day, Gladys weakened slightly to a Category 1 hurricane. Between late on September 16 and late on September 17, the storm rapidly strengthened, peaking as a 145 mph (230 km/h) Category 4 hurricane on the latter. Gladys began weakening on the following day and curved northward on September 19.
The storm turned northwestward on September 22 and briefly threatened the East Coast of the United States. However, it veered northeastward on September 23 and moved rapidly toward Atlantic Canada. By 0000 UTC on September 25, Gladys became extratropical while centered between Sable Island and Nova Scotia. Along the East Coast of the United States, Gladys produced light rainfall, gusty winds, and storm surge. Coastal flooding was reported in North Carolina and Virginia. In the former, high tides inundated homes and buildings with of water in two small villages on the Outer Banks and flooded a highway to Manteo. In the state of Virginia, one death occurred when a man was fatally struck in the throat by debris. Tides also effected the Mid-Atlantic, New England, and Atlantic Canada.
==Meteorological history==
A tropical wave was first observed over western Africa on September 8 and moved offshore in the vicinity of Dakar, Senegal on the following day. At 0600 UTC on September 13, a tropical depression developed while centered about halfway between Cape Verde and the Lesser Antilles. Later that day, the ''S.S. Gerwi'' reported heavy rain and winds of , confirming the existence of Tropical Storm Gladys at 1200 UTC on September 13. Four hours later, the Weather Bureau Office in San Juan, Puerto Rico initiated advisories on Gladys. A hurricane hunter plane flew into Gladys on the afternoon of September 13 was unable to obtain wind data due to darkness.〔 A reconnaissance flight into the storm on September 14 noted that it had strengthened into a hurricane, while moving west-northwestward at about .〔 HURDAT records indicate that around that time, Gladys became a Category 2 hurricane as winds reached 100 mph (155 km/h). However, early on September 15, Gladys weakened slightly to a Category 1 hurricane.
Early on September 17, the storm began to rapidly intensify. By 1800 UTC, Gladys attained its peak intensity with maximum sustained winds of 145 mph (230 km/h) and a minimum barometric pressure of . The storm later began to weaken and fell to a Category 3 hurricane early on September 19. Around that time, Gladys curved northward in response to a weak trough in the westerlies.〔 Early on September 20, it further weakened to a Category 2 hurricane. Rising atmospheric pressures to the north forced the storm to curve northwestward on September 21.〔 Later that day, Gladys weakened to a Category 1 hurricane. The storm posed a threat to the East Coast of the United States, and passed about east of Cape Hatteras, North Carolina, before a deepening low pressure area over the Great Lakes region caused it to veer northeastward.〔 Gladys then accelerated and approached Atlantic Canada, before transitioning into an extratropical cyclone at 0000 UTC on September 25, while located between Nova Scotia and Sable Island. The extratropical remnants continued northeastward into Newfoundland and dissipated later on September 25.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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