Hurricane Simon and Post-Tropical Storm Rachel Bring Flood Risks to Mexico and Southwestern U.S.
New York Times · LC · trust 36/100

Hurricane Simon was hugging the west coast of Mexico on Sunday, while the remnants of Post-Tropical Storm Rachel churned inland, bringing heavy rain and high winds.
Listen · 8:48 min Share full article William B. Davis and John Keefe/The New York Times
Nazaneen Ghaffar is a reporter on The Times’s weather team.
Rachel moved inland across northern Baja California late Saturday night local time, the National Hurricane Center said, but dissipated over the Southwestern United States on Sunday morning. Its remnants were expected to continue producing heavy rain and gusty winds across parts of the region, with the potential for significant flash flooding.
Rachel was closely followed by Hurricane Simon, which forecasters at the National Hurricane Center described as an extremely dangerous Category 4 storm late Saturday. Early on Sunday, Simon was moving toward the coast of west-central Mexico and was expected hug the coast later in the day. Forecasters said it remained uncertain whether Simon would make landfall, with even a small shift in its track potentially affecting how quickly it weakened.
Post-Tropical Storm Rachel dissipated on Sunday morning but its remnants continue to bring heavy rain and gusty winds to the Southwest. The storm’s widespread showers brought cooler conditions to the region, but its rains also pose da moderate risk of flash flooding from San Diego to Las Vegas.
Hurricane Simon has rapidly intensified off the west coast of Mexico, threatening the shoreline with dangerous winds, storm surge and heavy rainfall. The U.S. National Hurricane Center said Sunday that Simon was expected to follow the coast of west-central Mexico for days.
The remnants of Rachel brought flooding, debris flows and strong winds to parts of Southern California late Saturday, as the system moved inland across northern Baja California. The National Weather Service had issued a tropical storm watch for San Diego County, only the second time the county had been placed under such a watch, following Hurricane Hilary in 2023. The watch was called off early Sunday.
William B. Davis and John Keefe/The New York Times
The system also brought relief from the recent brutal heat wave across parts of Southern California, dropping temperatures into the high 40s or low 50s Fahrenheit.
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