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The Dexes / Funnel Cloud / 247737

Eventdex · Funnel Cloud

GRANT

247737 · 46.371, -101.850

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The record

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Event typeevent_typeFunnel Cloud
NOAA NCEI event IDncei_event_id247,737
Episode IDepisode_id42,416
Begin UTCbegin_utc2010-07-14T04:32:00+00:00
End UTCend_utc2010-07-14T04:33:00+00:00
StatestateNORTH DAKOTA
County/zone typecz_typeC
County/zone namecz_nameGRANT
Latitudelat46.371
Longitudelon-101.850
End latitudeend_lat46.371
End longitudeend_lon-101.850
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property0.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceFire Department/Rescue
Episode narrativeepisode_narrativeLarge scale forcing associated with a dynamic upper level trough coincided with very strong deep layer shear and very steep mid level lapse rates to trigger rapid thunderstorm development and intensification across southwest and south central North Dakota. Thunderstorms began in the late evening hours of Tuesday, July 13th, and lasted into the early morning hours of Wednesday, July 14th. ||Severe Thunderstorm Watch number 469 was initially issued late Tuesday evening for portions of southwest and most of south central North Dakota through the early morning hours of Wednesday, with rapid thunderstorm development across the southwest already underway. Tornado Watch number 470 was issued early Wednesday morning for far south central North Dakota as intense supercellular thunderstorms with very large hail continued to develop and move east across far southwest and south central parts of the state. The intense thunderstorms eventually transitioned from very large hail producers to damaging wind producers as they moved east of the Missouri River and towards and into the James River Valley region. ||Multiple severe thunderstorm and tornado warnings were issued. Numerous reports of large hail, including a record tying hailstone, and several reports of damaging thunderstorm winds were received during this episode. ||Damage from the very large hail was extensive and extreme. Hardest hit were Hettinger, Grant, Sioux, and Emmons Counties, where baseball to softball size hail fell. Some homes had hailstones crash completely through the roof. The large hail also killed several farm animals, and injured other livestock and pets. A North Dakota record tying hailstone, five inches in diameter, fell at Prairie Knights Resort located in eastern Sioux County. In addition, some areas in these counties experienced more than one wave of large hail. Later Wednesday morning, straight line winds up to 105 mph resulted in extensive damage over portions of Logan and LaMoure Counties.
Event narrativeevent_narrativeElgin fire officials who were out spotting saw a funnel cloud just south of Elgin. The funnel did not reach the surface and quickly retreated back into the storm. The funnel cloud was made visible by lightning.
Yearyear2,010

Provenance

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GRANT — Funnel Cloud — TerraPulse