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The Dexes / Heavy Rain / 395493

Eventdex · Heavy Rain

CHELAN

395493 · 47.578, -120.418

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The record

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

Event typeevent_typeDebris Flow
NOAA NCEI event IDncei_event_id395,493
Episode IDepisode_id65,936
Begin UTCbegin_utc2012-07-18T03:00:00+00:00
End UTCend_utc2012-07-18T03:30:00+00:00
StatestateWASHINGTON
County/zone typecz_typeC
County/zone namecz_nameCHELAN
Latitudelat47.578
Longitudelon-120.418
End latitudeend_lat47.578
End longitudeend_lon-120.418
Flood causeflood_causeHeavy Rain
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property100.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceEmergency Manager
Episode narrativeepisode_narrativeAn upper-level low sagging down the Pacific Northwest Coastline was responsible for drawing moist, unstable air northward into Central Washington. Shortwave energy ejecting from the low in conjunction with afternoon heating triggered strong thunderstorms over the East Slopes of the Washington Cascades which persisted into the late evening hours of the 17th. As the storms moved over the Nahahum Canyon, just north of Cashmere between 2000 and 2100 PST, they produced torrential rains which resulting in a large debris flow.
Event narrativeevent_narrativeAt approximately 2000 PDT, torrential rains over the Nahahum Canyon triggered a large debris flow. One resident, located at 8566 Nahahum Canyon Road, received significant damage with minor damage noted at two other residences. Three to four feet of mud, logs, and rocks tore a hole in the side of a three-bay shop then blew out the three front doors and continued down the canyon. The mud lifted a large pickup truck a foot and a half off the ground and carried it from one side of the shop to the other. Three to four feet of mud surrounded the nearby house and filled the crawlspace. Tools and other items from the shop along with landscaping rocks from the property were strewn a half mile down the canyon.
Yearyear2,012

Provenance

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Storage: spine

CHELAN — Heavy Rain — TerraPulse