Scattered thunderstorms developed across portions of the south central Arizona deserts during the evening hours on July 19th. Some of the storms affected the greater Phoenix metropolitan area, and they produced gusty and damaging winds estimated to be in excess of 60 mph. In addition, very heavy rain occurred and some locations reported amounts up to 1.5 inches in less than one hour. The strong thunderstorms prompted the issuance of a variety of products including Severe Thunderstorm Warnings and Urban Flood Advisories.

Heavy Rain in MARICOPA, ARIZONA
From 19-JUL-13 22:15:00 to 19-JUL-13 23:30:00 (MST-7)
Location: BUMSTEAD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Scattered thunderstorms brought locally heavy rainfall to portions of the northern greater Phoenix metropolitan area during the late evening hours on July 19th. The heavy rain affected communities from Surprise and Sun City northwestward towards Cave Creek. The heavy rain began around 1015 pm and continued through 1130 pm. At 11 pm, a trained weather spotter 5 miles northwest of Desert Ridge Marketplace measured 1.5 inches of rain that fell within 45 minutes near Dynamite and North Cave Creek Road. Another trained spotter in Surprise also measured 1.5 inches of rain within a 45 minute period in the area of North Reems and West Cholla, about 2 miles west of Waddell. The rain began falling at approximately 1030 pm. In both cases, the heavy rain led to widespread, although relatively minor, street flooding. The heavy rain also led to the issuance of an Urban and Small Stream Flood Advisory for much of the northern greater Phoenix area beginning at 1148 pm and effective through 145 am the next day.

Thunderstorm Wind in MARICOPA, ARIZONA
From 19-JUL-13 22:30:00 to 19-JUL-13 22:45:00 (MST-7)
Location: PHOENIX DEER VLY ARP
Magnitude: 56.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Strong thunderstorms developed across the northern portion of the greater Phoenix metropolitan area during the evening hours on July 19th. The storms generated gusty winds estimated to reach or exceed 65 mph. According to a broadcast media report, at around 1030 pm in the Arrowhead Lakes neighborhood near Loop 101 and 59th Ave., multiple trees were uprooted along with other significant tree limb damage throughout the neighborhood. Some trees fell on homes causing minor home damage. There was also some minor roof damage to a tile roof. A Severe Thunderstorm Warning was in effect for the area; it was issued at 1001 pm and continued until 1030 pm.

Thunderstorm Wind in MARICOPA, ARIZONA
From 19-JUL-13 22:12:00 to 19-JUL-13 22:15:00 (MST-7)
Location: PHOENIX DEER VLY ARP
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong thunderstorms developed across the northern portion of the greater Phoenix area during the evening hours on July 19th, and they produced gusty and damaging winds estimated to be in excess of 60 mph. According to a trained weather spotter several miles northwest of Deer Valley Airport, at 1012 pm gusty winds blew down several Palo Verde and Mesquite trees. A chain-link fence was also blown over. A Severe Thunderstorm Warning was in effect for the area at the time; it started at 1001 pm and continued through 1030 pm.

Thunderstorm Wind in MARICOPA, ARIZONA
From 19-JUL-13 22:20:00 to 19-JUL-13 22:30:00 (MST-7)
Location: SUNNYSLOPE
Magnitude: 56.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong thunderstorms developed across the northern portion of the greater Phoenix metropolitan area during the evening hours on July 19th. The storms generated gusty winds estimated to reach or exceed 65 mph. According to a trained weather spotter, at 1020 pm near 25th Avenue and West Happy Valley Road, 25 foot long tree branches were blown down. Winds estimated to be at least 50 mph were strong enough to shake vehicles in the area. In addition, another trained spotter 5 miles north of central Phoenix reported a large tree uprooted at 1020 pm by winds estimated to be at least 65 mph. The diameter of the trunk was estimated at 15 inches. The uprooted tree was located at the intersection of 16th Street and Greenway Parkway. A Severe Thunderstorm Warning was in effect for the area; it was issued at 1001 pm and continued until 1030 pm.