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The Dexes / Heavy Rain / 471828

Eventdex · Heavy Rain

CHELAN

471828 · 47.860, -120.208

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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_id471,828
Episode IDepisode_id76,140
Begin UTCbegin_utc2013-08-11T07:40:00+00:00
End UTCend_utc2013-08-11T08:55:00+00:00
StatestateWASHINGTON
County/zone typecz_typeC
County/zone namecz_nameCHELAN
Latitudelat47.860
Longitudelon-120.208
End latitudeend_lat47.855
End longitudeend_lon-120.169
Flood causeflood_causeHeavy Rain
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property0.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceDepartment of Highways
Episode narrativeepisode_narrativeMoist, southerly flow ahead of an area of low pressure trickling northward along the Oregon Coast created a moist, unstable environment over Central Washington. Shortwaves ejecting from the shortwave trough supplied the necessary lift to initiate numerous strong thunderstorms across the East Slopes of the Cascades and portions of the Western Columbia Basin. These storms developed during the evening and overnight hours of August 9th and persisted well into the morning hours of August 10th. Storms dissipated around midday then afternoon heating and a second shortwave triggered another round of strong storms during the afternoon and evening hours of the 10th. The main threat with these storms was high rain intensity and flash flooding, however one line of storms also delivered damaging winds.
Event narrativeevent_narrativeHighway 971 was closed between mile markers nine and eleven due to a mudslide blocking the highway.
Yearyear2,013

Provenance

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CHELAN — Heavy Rain — TerraPulse