POLK

826920 · 41.590, -93.841

drawing…

The record

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

Event typeevent_type	Lightning
NOAA NCEI event IDncei_event_id	826,920
Episode IDepisode_id	137,003
Begin UTCbegin_utc	2019-05-17T02:25:00+00:00
End UTCend_utc	2019-05-17T02:25:00+00:00
Statestate	IOWA
County/zone typecz_type	C
County/zone namecz_name	POLK
Latitudelat	41.590
Longitudelon	-93.841
End latitudeend_lat	41.590
End longitudeend_lon	-93.841
Deaths directdeaths_direct	0
Deaths indirectdeaths_indirect	0
Injuries directinjuries_direct	0
Injuries indirectinjuries_indirect	0
Damage propertydamage_property	2.00K
Damage cropsdamage_crops	0.00K
Weather forecast office sourcewfo_source	Trained Spotter
Episode narrativeepisode_narrative	The state found itself under broad upper level ridging to zonal flow, allowing for a weak cold front to slide into the state and stall around the Interstate 80 corridor during the evening and overnight hours. The environment was fairly ripe for thunderstorm activity, including 2000-3000+ J/kg SBCAPE and hail CAPE values around 500 J/kg, but lacked supportive effective bulk shear with values generally around 30 kts or less. With the front stalling across central Iowa, and the thermodynamic environment what it was, thunderstorms predominantly lingered across central Iowa through the evening and overnight hours, producing periods of severe hail during the first couple of hours and transitioning to sub-severe storms and a predominant heavy rainfall threat. In the end, there were a number of reports of quarter to near golf ball sized hail, followed by heavy rainfall amounts of 2 to 3+ inches by the morning of the 17th.
Event narrativeevent_narrative	Lightning struck a power pole and knocked out power to the area.
Yearyear	2,019

Provenance

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