The following events were reported: Flash Flood. These occurred near station USW00023183, approximately 31.7111 km away, between 2018-10-13 09:00:00 and 2018-10-13 16:00:00.Thankfully, no injuries or fatalities were reported. The events caused property damage valued at 58000.0 and crop damage of 0.0. Episode Narrative: A strong Pacific upper level low pressure system moved into Arizona during the morning hours on October 13th and triggered the development of widespread moderate to heavy showers across the south-central deserts. The heavy rain resulted in numerous episodes of flash flooding during the day. Southerly flow ahead of the low advected in some tropical moisture being shed from Tropical Storm Sergio which recently passed by to the south of Arizona, and this infusion of tropical moisture helped to support the very heavy rain that occurred. Many of the flash flood events took place across the entire greater Phoenix metropolitan area but some events took place as far south as Casa Grande and as far southwest as Gila Bend. Most of the flash flood events resulted in road closures due to the heavy rain and flooding. No reports of accidents or injuries were received. Multiple Flash Flood Warnings were issued during the days due to the flooding. A strong Pacific upper level low pressure system moved into Arizona during the morning hours on October 13th and triggered the development of widespread moderate to heavy showers across the south-central deserts. Event Narrative: Widespread moderate to heavy showers developed across the lower deserts southeast of Phoenix during the morning hours on October 13th. Some of the heavy rain led to flash flooding south of Sacaton and north of Casa Grande. At 0916MST, the Arizona Department of Transportation reported that flash flooding stopped traffic on State Route 187 in areas between State Route 87 and State Route 387. The heavy rain was triggered by the approach of a strong Pacific low pressure system from the west, coupled with an infusion of deeper moisture shed from Tropical Storm Sergio which passed by earlier to the south of Arizona. A Flash Flood Warning was in effect at the time of the flash flooding and fortunately no accidents were reported. Widespread moderate to heavy showers developed across the central portions of the greater Phoenix metropolitan area during the morning hours on October 13th, and they continued into the afternoon hours. The heavy showers impacted communities such as Scottsdale. Peak rain rates were in excess of one inch per hour and this resulted in episodes of flash flooding. According to local law enforcement, at 1400MST flash flooding resulted in the closure of Oak Street at 77th Street. The flooding occurred about 2 miles southeast of Scottsdale. A Flash Flood Warning was in effect at the time of the flooding and no accidents were reported due to the flooded roads and hazardous driving conditions. Widespread moderate to heavy showers developed across the western portions of the greater Phoenix metropolitan area during the morning and early afternoon hours on October 13th. Some of the heavy showers affected the areas around the community of Goodyear. Peak rain rates were in excess of one inch per hour and resulted in episodes of flash flooding. According to the City of Goodyear Emergency Manager, at 1234MST flash flooding resulted in the closure of Citrus Road between McDowell Road and Van Buren Road. The road was closed in both directions due to the flooding. The flooding occurred just west of the intersection of the Loop 303 highway and Interstate 10, about 2 miles northwest of Goodyear. A Flash Flood Warning was in effect at the time of the flooding; there were no reports of accidents due to the flooded roads and hazardous driving conditions. Widespread moderate to heavy showers developed across the eastern portion of the greater Phoenix metropolitan area during the morning hours on October 13th. Some of the heavier showers affected communities such as Apache Junction; peak rain rates were in excess of one inch per hour and led to episodes of flash flooding, including the rapid flooding of washes such as the Palm Wash. According to a report from the Arizona Department of Highways, at 1000MST 16th Avenue between Ironwood Drive and Saguaro Drive was closed due to flash flooding from the Palm Wash. The water depth at the crest was estimated at 2 feet. No accidents or injuries were reported due to the flash flooding. Widespread moderate to heavy showers developed across the central portion of the greater Phoenix metropolitan area during the morning hours on October 13th, and the showers continued into the afternoon. The heavy showers impacted the downtown Phoenix area including the Arizona State Fair. Peak rain rates were in excess of one inch per hour and this led to episodes of flooding and flash flooding. According to a report in a local newspaper, flash flooding occurred at the state fair fairgrounds as well as area roads surrounding the fair. Due to the flooded fairgrounds and surrounding roads, the state fair was closed at 1430MST. A Flash Flood Warning was in effect at the time of the flooding. Fortunately there were no reports of accidents or injuries at the fair. Widespread moderate to heavy showers developed over the western portions of the greater Phoenix metropolitan area during the morning and early afternoon hours on October 13th. Peak rain rates with the heavier showers were in excess of one inch per hour and resulted in episodes of flash flooding that affected communities such as Buckeye. According to the Maricopa County Department of Transportation, at 1311MST flash flooding resulted in the closure of Narramore Road to the west of Airport Road. This was approximately 6 miles to the southeast of Buckeye. There were no accidents reported due to the flooded roads and hazardous driving conditions. Widespread moderate to heavy showers developed over the central portion of the greater Phoenix area during the morning hours on October 13th; the showers persisted into the afternoon hours and affected communities such as Ahwatukee and Guadalupe. According to the Phoenix Police Department, flash flooding resulted in the closure of south 48th Street from East Warner Road to East Hoh Way. The flooding was located roughly 3 miles southwest of the town of Guadalupe. No accidents were reported due to the flooded roads and the hazardous driving conditions. Widespread moderate to heavy showers developed south of Phoenix during the morning hours on October 13th, affecting areas around the town of Maricopa. Peak rain rates were in excess of one inch per hour and led to episodes of flash flooding. At 0939MST the City of Maricopa Emergency Manager reported that flood gates were closed in Rancho El Dorado and flash flooding was occurring near the intersection of Porter Road and Farrell Road. The flooding was occurring about 3 miles southeast of the town of Maricopa. A Flash Flood Warning was in effect at the time of the flooding; it was issued at 0914MST and remained in effect until 1315MST. No accidents were reported.