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Portal:Tropical cyclones/Featured article/Hurricane Isis (1998)

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Rainfall summary for Hurricane Isis
Rainfall summary for Hurricane Isis


Hurricane Isis was the deadliest tropical cyclone and only hurricane to make landfall during the 1998 Pacific hurricane season. The ninth tropical storm and sixth hurricane of the season, Isis developed on September 1 out of the interaction between a tropical wave and a large low-level circulation to the southwest of Mexico. It moved northward, striking the extreme southeastern portion of the Baja California Peninsula before attaining hurricane status in the Gulf of California. Isis made landfall at Topolobampo in the state of Sinaloa on September 3 and quickly lost its low-level circulation. The remnants persisted for several days before dissipating in the U.S. state of Idaho.

In Mexico, Isis destroyed over 700 houses and killed 14 people, primarily due to its heavy rainfall which peaked at over 20 inches (500 mm) in southern Baja California Sur. The rainfall caused widespread damage to roads and railways, stranding thousands of people. Moisture from the remnants of Isis extended into the southwestern United States, resulting in light rainfall, dozens of traffic accidents, and power outages to thousands of residents in San Diego County.

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