Scattered thunderstorms developed across portions of the greater Phoenix metropolitan area during the evening hours on August 28th. Some of the stronger storms generated locally heavy rainfall sufficient to result in episodes of both street flooding as well as flash flooding.  A variety of trained storm spotters as well as mesonet observations reported rain rates of at least one inch per hour with the heavier showers. At 2225MST a mesonet report 5 miles southeast of Deer Valley measured 1.22 inches of rain in one hour. At 2125MST a trained spotter in Paradise valley reported heavy rain with street flooding; water was reported to be overflowing the curbs. At 2215MST, broadcast media 4 miles south of Deer Valley reported the road closed due to flooding on Thunderbird road eastbound near 26th avenue. Vehicles were reported to be stranded due to the flooding. No injuries were reported due to the flash flooding.

Heavy Rain in MARICOPA, ARIZONA
From 28-AUG-19 22:00:00 to 28-AUG-19 23:30:00 (MST-7)
Location: GLENDALE MUNI ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Scattered thunderstorms developed across the north and northwest portions of the greater Phoenix area during the evening hours on August 28th. Some of the stronger storms produced locally heavy rain with peak rain rates in excess of one inch per hour. The heavy rain resulted in episodes of street flooding, which impacted communities such as Peoria. According to a report from local broadcast media, at 2252MST heavy rain resulted in curb to curb street flooding 4 miles northeast of the town of Peoria. The flooding was occurring at 67th Avenue and Greenway Road. No accidents were reported as a result of the flooding.

Flash Flood in MARICOPA, ARIZONA
From 28-AUG-19 22:00:00 to 29-AUG-19 01:15:00 (MST-7)
Location: SUNNYSLOPE
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Scattered thunderstorms developed across the northern portions of  the greater Phoenix area during the evening hours on August 28th. Some of the stronger storms, with peak rain rates in excess of one inch per hour, affected communities such as Deer Valley and north Phoenix. The locally heavy rain was sufficient to produce an episode of flash flooding. According to local broadcast media, at 2215MST flash flooding caused the road to be closed on West Thunderbird Road eastbound near north 26th Avenue. This was about 4 miles south of Deer Valley. The flooding resulted in multiple vehicles becoming stranded in the flood waters. Fortunately there were no injuries reported. A Flash Flood Warning had been issued for the area at 2215MST.

Heavy Rain in MARICOPA, ARIZONA
From 28-AUG-19 21:25:00 to 28-AUG-19 22:30:00 (MST-7)
Location: PAPAGO AAF ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Scattered thunderstorms developed across the central and northern portions of the greater Phoenix metropolitan area during the evening hours on August 28th. Some of the stronger storms produced intense rain with peak rain rates approaching one inch per hour. The heavy rain resulted in a few episodes of street flooding, affecting communities such as  Paradise Valley. At 2125MST, a trained spotter located one mile southeast of Paradise Valley reported very heavy rain which resulted in street flooding. Water was reported to be overflowing the curbs. The spotter measured over one third of an inch of rain in a very short period.

Flash Flood in MARICOPA, ARIZONA
From 28-AUG-19 22:00:00 to 29-AUG-19 01:15:00 (MST-7)
Location: PHOENIX TURF ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Scattered thunderstorms developed across the northern portion of the greater Phoenix area during the evening hours on August 28th. Some of the stronger storms produced locally heavy rain with peak rain rates measured to be in excess of one inch per hour. In fact, a mesonet report 5 miles southeast of Deer Valley measured 1.22 inches of rain in one hour at 2225MST. The heavy rain in the area led to an episode of flash flooding in Deer Valley to the south of Bell road and north of Shaw Butte. According to a mesonet report about 3 miles southeast of Deer Valley, flash flooding occurred when the east fork of Cave Creek flooded 7th Avenue. A stream gage in the area exceeded the alarm stage of 2 feet at 2240MST and peaked at 2.63 feet at 2301MST. No accidents or injuries were reported as a result of the flooding.