a five-day shutdown of its operations. Rosa caused widespread coastal flooding near San Felipe and damaged archaeological sites. In Los Cabos, Baja California Sur, rainstorms triggered power outages and floods swept away vehicles. In Puerto Peñasco, Sonora, dozens of homes and businesses suffered from flooding after an estimated of rain fell. Many of the town's roads were closed, and four bridges became impassable. A woman drowned in Caborca, Sonora, after being swept away by floodwaters. Farther south, in the state of Colima, floodwaters swept through the city of Manzanillo, causing sinkholes, rupturing underground pipes, and inundating buildings. Landslides in and around the city blocked roads and buried three vehicles in mud. Throughout the state of Michoacán, the combined effects from Rosa and nearby Tropical Storm Sergio destroyed of crops. After Rosa's passage, states of emergency were issued for the cities of Ensenada, Mexicali, and Puerto Peñasco. United States Exiting the Gulf of California, the remnants of Rosa tracked northward, spawning showers and thunderstorms in the Four Corners region. Damage from flooding in the Southwestern United States totaled about $50 million (USD). Flood watches and warnings were issued on September 30 for Southern California, Arizona, southwest Colorado, Utah, central Nevada, and a small portion of southeast Idaho. Rosa dropped of rain on a two week old, burn scar in central Utah. Samples taken from streams that received rainfall from Rosa showed that the wildfires had lowered the level of carbon, nitrogen, and phosphorus. On October 1, an interaction between Rosa's remnants and a Pacific low produced severe thunderstorms in San Bernardino County, California. Surging floodwaters carried rocks onto portions of U.S. Route 95 and coated parts of state routes 62 and 127 in mud and debris. Effects from the severe weather extended into Nevada, where flash floods inundated buildings and deposited rubble along Pioche's Main Street. By the time of Rosa's absorption on October 3, a total of of rain was recorded at Towers Mountain, Arizona, located about north of Phoenix; other areas throughout the state reported up to of rain. The remnants of Rosa caused flash floods throughout the communities of Guadalupe, Glendale, Scottsdale, Fountain Hills, Deer Valley, and Sun City and knocked out power in Yuma. As rainfall exceeded , the National Weather Service issued a flash flood warning for the Phoenix area. Though over two dozen roads, as well as schools and businesses, had been closed, 80 car