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The Dexes / Funnel Cloud / 346718

Eventdex · Funnel Cloud

OGLETHORPE

346718 · 33.880, -83.250

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The record

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

Event typeevent_typeFunnel Cloud
NOAA NCEI event IDncei_event_id346,718
Episode IDepisode_id57,632
Begin UTCbegin_utc2011-09-05T20:51:00+00:00
End UTCend_utc2011-09-05T20:56:00+00:00
StatestateGEORGIA
County/zone typecz_typeC
County/zone namecz_nameOGLETHORPE
Latitudelat33.880
Longitudelon-83.250
End latitudeend_lat33.930
End longitudeend_lon-83.220
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property0.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourcePublic
Episode narrativeepisode_narrativeTropical Storm Lee formed from a persistent low pressure area off the upper Texas and Louisiana coasts on the south side of a mammoth subtropical ridge centered across the eastern Ohio valley. This occurred during the late few days of August. The system slowly intensified under weak steering currents and moved onshore the Louisiana coast on the 3rd. Tropical Storm Lee was extremely slow moving at this point and consequently dumped excessive rainfall across southeast Louisiana. A sharp upper trough began to take shape in the central U.S. on September 4th as upper energy dug southeast from Canada. As this occurred, the remnants of Lee began to accelerate northeastward in association with the advancing upper trough. The remnants of Lee traveled very quickly along the advancing front, racing across Georgia on the 5th. Rain bands began to affect the area late on the 4th, but most of these were light to moderate. On the 5th, persistent heavy rain impacted northwest Georgia and resulted in minor flooding. Despite widespread rainfall of four to five inches across northwest Georgia with localized six to eight inches, the ongoing drought across the state resulted in minimal impacts of the heavy rain on the area, The bigger problems came during the afternoon of the 5th when an area of strong shear, associated with the remnants of Lee, tracked from southwest to northeast across the area. This combined with an unstable atmosphere as breaks in the clouds allowed temperatures to warm into the lower 80s. Numerous strong thunderstorm cells developed quickly and tracked first from the Columbus area and west central Georgia into northeast Georgia. Strong mesocyclones were indicated in many of these cells and prompted dozens of tornado warnings. However, only one thunderstorm cell actually netted a tornado, which caused considerable damage in Cherokee county, just northwest of Atlanta.||As the outer remnant feeder bands moved away from the area during the mid-evening, the remnant core of Tropical Storm Lee passed by just to the west across northwest Alabama. A two to three hour window of strong winds gusting to 35 to 40 mph were observed in several northwest Georgia counties as this occurred causing damage to dozens of trees and a number of power lines during this time frame.
Event narrativeevent_narrativeThe public observed a funnel cloud near Arnoldsville. WSR-88D storm-relative velocity data showed strong rotation in the area at the time. A tornado warning was in effect for this area at the time.
Yearyear2,011

Provenance

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OGLETHORPE — Funnel Cloud — TerraPulse