The following events were reported: Flash Flood, Heavy Rain, Thunderstorm Wind. These occurred near station USW00023183, approximately 26.3844 km away, between 2021-08-13 21:43:00 and 2021-08-14 07:10:00.Thankfully, no injuries or fatalities were reported. The events caused property damage valued at 1366500.0 and crop damage of 0.0. Episode Narrative: A classic bow echo developed along the Mogollon Rim in central Arizona around 1900MST on the 13th and merged with thunderstorm clusters that developed in south-central Arizona around 2030MST to form one southwestward-moving MCS that progressed all the way to the town of Yuma in far southwest Arizona by 0230MST on the 14th. The MCS produced widespread strong winds with localized damaging winds from individual microbursts across the region. The strong winds also generated dense blowing dust in southwest Arizona. In addition to the wind, storms were producing average rain rates of 1 to 2 inches per hour with briefly higher rates in the strongest cells. This led to flash flooding in multiple areas. The town of Gila Bend suffered catastrophic flash flooding after 2 to 4 inches of rain fell over a large portion of the basin containing Sand Tank and Bender Washes, which flow into Gila Bend. A breach of the canal in town due to erosion added to the flash flooding. Significant flow through the washes impacted numerous homes and businesses and there were 2 fatalities. A state of emergency was declared for this event. A classic bow echo developed along the Mogollon Rim in central Arizona around 1900MST on the 13th and merged with thunderstorm clusters that developed in south-central Arizona around 2030MST to form one southwestward-moving MCS that progressed all the way to the town of Yuma in far southwest Arizona by 0230MST on the 14th. Event Narrative: Public report, confirmed by police, that a road was blocked by downed power lines at 83rd Avenue and Broadway Road. Winds estimated around 55-65 mph and timing estimated from radar. No injuries reported. Numerous tree branches of varying sizes blown down. Wind gusts estimated 50 to 60 mph. A 40 foot tree fell through a 5 foot cinderblock wall and onto a chicken coop at a home near University Drive and 96th Street. There were no chickens in the coop at the time and no injuries were reported. Winds were estimated around 55 to 65 mph. Timing estimated from radar. Multiple large trees were blown over due to strong winds at Latitude Apartment Complex near 19th Avenue and Thunderbird Road. One tree fell on a second story unit, causing unknown damage. Another couple fell on portions of carports that caused the carports to collapse and damage an unknown number of cars that were parked underneath. A separate carport also experienced damage. Winds were estimated up to 55 to 65 mph based on radar and timing was based on radar as well. No injuries were reported. The SRP32 mesonet station near 43rd Avenue and Lower Buckeye Road measured a 61 mph wind gust. A microburst signature was observed on radar in this area. The Phoenix terminal doppler weather radar TPHX, near 51st Avenue and Lower Buckeye Road, took a direct hit and stopped transmitting after its 1039MST scan. There were no damages to TPHX reported and it was restored by 1000MST  on the 14th. Video on social media shows at least 6 inches of swift-moving water flowing down 96th Street near Duncan Street. No damages of injuries were reported. Public report of flooding along 23rd Avenue between Dunlap Avenue and Northern Avenue. Video shows the intersection of 23rd Avenue and Butler Drive flooded with at least 6 inches of water. No damages or injuries were reported. A streamflow gage on the Agua Fria River at Buckeye Road exceeded alarm stage at 0241MST with peak flow of 1932 cfs and a crest height of 0.79 feet. Impacts to the low water crossing at Lower Buckeye Road are common with this flow level, but no impacts were reported. A strong downburst knocked over or broke 20 to 30 trees and a few saguaro cacti along Brown Road and Ellsworth Road. Winds estimated around 55-65 mph and timing based on radar. Photos from APS utility company on social media show several downed or snapped wooden and metal power poles along 27th Avenue just north of Durango Street. A microburst signature was evident on radar in this area. Winds were estimated around 60-65 mph based on a 61 mph measured gust a few blocks away. A tattoo shop at a strip mall near University and Recker flooded with 16 inches of water after the roof of the adjacent vacant shop fully collapsed. The tattoo shop owners estimated the cost of their damaged or destroyed interior belongings at $17,000. There were no injuries. Timing based on heaviest rainfall in the area. A few rain gages in the area measured around 1.5 to 2.5 inches in roughly 1 hour. The Greenway Road underpass at Interstate-17 flooded with a few feet of standing water and was closed as a result. Before being closed, a reported 5 vehicles stalled in the flood water, requiring a rescue. The underpass did not reopen until roughly noon on the 14th. Interstate-17 was closed in both directions at the Durango Street curve due to standing water on the freeway, making it impassable. Interstate-17 did not fully reopen until approximately 0100MST on the 14th. Roof partially torn off in strong winds near Interstate-17 and Thunderbird Road. Winds estimated around 55 to 65 mph. Timing based on radar. Video on social media showed significant flow in Ashbrook Wash over El Pueblo Boulevard just north of Grande Boulevard. In the video an uprooted mature palo verde tree was flowing across the road. The following morning it was found that a sedan had been swept off the road at some point during the night and crushed by debris, but the owner of the vehicle was able to escape. Video shows a large tree snapped near the base and fell on a home near University Drive and Lindsey Road causing damage. The extent of the damage was not reported. Winds were estimated around 50 to 60 mph based on radar. A photo on social media shows a metal patio awning blew down in strong winds near 19th Avenue and Bell Road. Winds estimated around 50 to 55 mph and timing based on radar. City of Surprise closed Cotton Lane between Peoria Avenue to Cactus Road due to flooding. Thunderbird Road from Interstate-17 to 35th Avenue flooded with 1 to 3 feet of standing water. At least one car became stranded in the underpass below Interstate-17. The underpass was closed for several hours. Interstate-17 was closed in both directions due to significant standing water on the freeway near Indian School Road. Multiple cars also became stalled in the standing water. Interstate-17 was not fully reopened until approximately 0115MST on the 14th. The City of Surprise closed Jomax Road between 147th Avenue and El Granada Road due to flooding. Report through mPing of impassable street flooding in the town of Maricopa. Additional details not reported. Multiple streamflow gages along Indian Bend Wash exceeded action or alarm stage, particularly between Highway-51 and Scottsdale Road. Streamflow gages crested around 3 to 5 feet and most did not fall below action or alarm until midday on the 14th. The USGS gage at Sweetwater Avenue recorded a roughly 4 foot rise in 30 minutes and crested at 3.95 feet. Rainfall amounts between 1.5 to 2.5 inches were measured upstream just west of Highway-51. Photo on social media shows two unoccupied sedans floating in flood water near Helena Drive and 2nd Street. Flood water continued down the water channel and spilled into the apartment complex on Bell Road and Central Avenue. Broadcast media reported multiple ground floor apartments experienced flood damage with an estimated 4 feet of water moving through them. Extent of the damages and number of apartments affected was not reported. Time estimated from radar. Arizona Department of Transportation reported via social media at 0202MST on the 14th that Highway-238 was closed in both directions between milepost 40 near Maricopa and State Route 85 near Gila Bend due to flooding. Heaviest rain, estimated around 2 to 3 inches, fell from the Maricopa mountains west toward Gila Bend. Highway-238 would remain closed through the 14th. Timing of impacts adjusted based on radar. Heavy rain led to a partial roof collapse of the Moon Valley Bible Church. The roof collapsed in the storage area and broke the main water pipe which flooded the entire roughly 30,000 square foot building with an estimated 4 inches of water. Rainfall amounts around 1.5 to 2.0 inches were measured in roughly an hour or less by many gages in the area. The church was hit by another storm a few days later that flooded the building again. No one was in the building at the time of the collapse and there were no injuries. Damage costs were estimated to be around $1 million.