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The Dexes / Heavy Rain / 403095

Eventdex · Heavy Rain

MARICOPA

403095 · 33.510, -112.030

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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_id403,095
Episode IDepisode_id67,190
Begin UTCbegin_utc2012-08-23T08:30:00+00:00
End UTCend_utc2012-08-23T10:45:00+00:00
StatestateARIZONA
County/zone typecz_typeC
County/zone namecz_nameMARICOPA
Latitudelat33.510
Longitudelon-112.030
End latitudeend_lat33.510
End longitudeend_lon-112.030
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property0.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceMesonet
Episode narrativeepisode_narrativeA large convective complex formed over south central Arizona during the early morning hours on August 23rd, a result of a weather disturbance acting on a very humid and unstable airmass. The complex of thunderstorms produced locally heavy rain across much of south central Arizona, including the greater Phoenix metropolitan area, beginning shortly after midnight and persisting through sunrise. Peak rainfall rates were between 3 and 4 inches per hour, and the heavy rain led to episodes of flooding and flash flooding, affecting areas from Witmann and New River south through the central portions of Phoenix. Several Urban and Small Stream Flood Advisories were issued for the event, but no Flash Flood Warnings were issued, despite the fact that a Flash Flood Watch remained in effect through 5 am.
Event narrativeevent_narrativeA large convective complex developed across south central Arizona, including the entire Phoenix metropolitan area, during the early morning hours on August 23rd. The combination of a weak weather disturbance and a very moist and unstable airmass led to widespread thunderstorms with very heavy rain. At 157 AM, a Flood Control District rain gage 3 miles southeast of central Phoenix measured 1.1 inches of rain within a 30 minute period. The gage was located at the Durango Complex. Another rain gage near Sky Harbor Airport recorded 1.14 inches in 30 minutes as well. The heavy rains led to significant urban flooding and prompted the issuance of an Urban and Small Stream Flood Advisory for the greater Phoenix area from 145 AM until 345 AM.
Yearyear2,012

Provenance

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Storage: spine

MARICOPA — Heavy Rain — TerraPulse