Thunderstorms developed across portions of the greater Phoenix metropolitan area during the evening hours on August 1st, and the stronger storms produced locally heavy rainfall. According to trained weather spotters, peak rain rates were measured in excess of 1.5 inches per hour and this rainfall was sufficient to create episodes of urban and small stream flooding in addition to flash flooding. Some of the more significant flooding occurred near North Mountain Park, and necessitated a water rescue. No injuries or accidents were reported due to the flooding.

Flash Flood in MARICOPA, ARIZONA
From 01-AUG-14 20:30:00 to 02-AUG-14 00:30:00 (MST-7)
Location: PHOENIX TURF ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms developed across the northern portion of the greater Phoenix metropolitan area during the evening hours on August 1st, and they generated locally heavy rain with peak rain rates well in excess of one inch per hour. Some of the heaviest rainfall occurred a few miles north of North Mountain Park; at 2300MST a trained weather spotter there measured 1.39 inches of rain. At 2200MST, another trained spotter 4 miles north of North Mountain Park reported that water was running outside of a wash and over flood markers near 7th Avenue, one block north of West Anderson Avenue. A car was stranded 60 feet from one of the barricades and a water rescue was needed. No injuries were reported. A Flash Flood Warning was not in effect at the time, however an Urban and Small Stream Flood Advisory was issued for the area beginning at 2038MST and continuing through 0030MST the next day.

Heavy Rain in GILA, ARIZONA
From 01-AUG-14 17:00:00 to 01-AUG-14 19:30:00 (MST-7)
Location: GLOBE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms with locally heavy rainfall developed across portions of southern Gila county during the late afternoon hours, and some of them affected the communities of Globe and Claypool. A trained weather spotter 4 miles south of Globe measured 1.6 inches of rain starting around 1700MST and continuing into the early morning hours on August 2nd. Most of the rain, however, occurred in the early evening on August 1st. The heavy rain led to small stream flooding, and as a result a Small Stream Flood Advisory was issued for southern Gila county, beginning at 1738MST and continuing in effect until 1930MST.

Heavy Rain in MARICOPA, ARIZONA
From 01-AUG-14 20:00:00 to 01-AUG-14 22:30:00 (MST-7)
Location: SUNNYSLOPE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms developed across the northern portions of the greater Phoenix area during the evening hours on August 1st and they affected communities such Glendale, Deer Valley and North Mountain as well as the Interstate 17 corridor. The stronger storms produced locally heavy rainfall with rain rates well in excess of one inch per hour. At 2141MST, a trained weather spotter 1 mile west of Metrocenter Mall in North Mountain measured 0.75 inches of rain within 45 minutes. He reported urban flooding with water curb to curb and running a few feet into some of the yards in the area. Additionally, at 2146MST another trained spotter 2 miles north of Glendale measured 1.36 inches of rain within 45 minutes. The heavy rain resulted in the issuance of multiple Urban and Small Stream Advisories for the area, which remained in effect into the early morning hours on August 2nd.