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The Dexes / Heavy Rain / 763027

Eventdex · Heavy Rain

MARICOPA

763027 · 33.640, -112.410

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The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

Event typeevent_typeHeavy Rain
NOAA NCEI event IDncei_event_id763,027
Episode IDepisode_id127,287
Begin UTCbegin_utc2018-08-03T02:45:00+00:00
End UTCend_utc2018-08-03T05:30:00+00:00
StatestateARIZONA
County/zone typecz_typeC
County/zone namecz_nameMARICOPA
Latitudelat33.640
Longitudelon-112.410
End latitudeend_lat33.640
End longitudeend_lon-112.410
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property5.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceTrained Spotter
Episode narrativeepisode_narrativeA large cluster of very strong thunderstorms moved steadily north and across the west and northwest portions of the greater Phoenix area, including communities of Sun City and Surprise, during the evening hours on August 2nd. The more intense thunderstorms managed to produce unusually heavy amounts of rainfall; there was a confirmed report of 2.9 inches measured in the town of Surprise. Large hail also was reported in the area with diameters in excess of one inch. In addition, some of the storms generated very strong and gusty outflow winds well in excess of 60 mph. The winds downed numerous trees in the vicinity of the Loop 303 and West Bell Road, and also cracked windows in some homes. Despite the intense rainfall, flash flooding was not reported; there were instances of street flooding and an Urban and Small Stream Flood Advisory was issued for the area as a result.
Event narrativeevent_narrativeA cluster of very strong thunderstorms moved steadily north across the western portion of the greater Phoenix area during the evening hours on August 2nd. Some of the stronger storms produced intense rainfall with peak rain rates well in excess of one inch per hour. The heavy rains led to local street flooding west of Surprise and near Sun City West, especially along Bell Road. According to a trained weather spotter, at 1915MST very heavy rain was measured along Bell Road just to the east of the Loop 303 highway. 2.05 inches of rain was measured in the area. Downbursts accompanied the heavy rain which caused trees in the area to be downed. Heavy rain led to street flooding and the Surprise Police Department closed Sunrise Boulevard at Bell Road due to water across the road. An Urban and Small Stream Flood Advisory was issued for the area at 1934MST and it remained in effect until 2230MST. There were other heavy rain reports in the area, based on CocoRAHS weather station observations. One such station to the southeast of the Loop 303 and Bell Road intersection measured 1.18 inches of rain. The most significant report came from another CocoRAHS station in Surprise that measured a storm total rainfall of 2.90 inches. The station ID was AZ-MR-42. There were no flash flooding reports in Surprise, despite the very heavy rainfall that occurred.
Yearyear2,018

Provenance

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MARICOPA — Heavy Rain — TerraPulse