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The Dexes / Heavy Rain / 849786

Eventdex · Heavy Rain

HARDIN

849786 · 42.530, -93.250

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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_id849,786
Episode IDepisode_id141,499
Begin UTCbegin_utc2019-08-19T12:00:00+00:00
End UTCend_utc2019-08-20T12:00:00+00:00
StatestateIOWA
County/zone typecz_typeC
County/zone namecz_nameHARDIN
Latitudelat42.530
Longitudelon-93.250
End latitudeend_lat42.530
End longitudeend_lon-93.250
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property0.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceCOOP Observer
Episode narrativeepisode_narrativeGenerally speaking, a bit of everything occurred during an overnight/early morning severe mesoscale convective system that rolled across Iowa. The predominant weather revolved around damaging winds and heavy rainfall, though a few instances of severe hail and low end tornadoes were experienced as well. Among the reports, numerous trees were downed, buildings damaged or destroyed from straight line winds or one of the weak tornadoes, and numerous instances of 2 to 4 plus inches of heavy rainfall. ||On the setup side of the coin, a lot of factors were in line for the event to potentially be a sustained nocturnal severe weather event. The previous day, the 19th, saw surface high pressure begin to exit the region eastward and allowing southerly return flow to work into eastern Nebraska and western Iowa. Tied in with mid to upper 70 dew points and steep mid-level lapse rates, a large area of 4000 plus J/kg CAPE values developed across eastern Nebraska and western Iowa and slowly built eastward. Additionally, effect bulk shear was consistently in the 40 to 50 kt range and low level shear roughly oriented to expected storm motion. As the evening progressed and the low level jet finally began to ramp up, boosting warm air advection and positive moisture flux, storms began to develop and eventually congeal. Organization, at least with regards to strong to severe criteria, was not immediate, waiting until around 5am local time to produce its first severe report. Severe reports then continued as the system moved southeast over the next 4 plus hours.
Event narrativeevent_narrativeCoop observer recorded heavy rainfall of 3.68 inches over the last 24 hours.
Yearyear2,019

Provenance

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Storage: spine

HARDIN — Heavy Rain — TerraPulse