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Debris piles made by powerful tornadoes
Cycloidal marks, also known as cycloidal damage swaths, are lineo-circular piles of debris that are produced by some powerful multiple-vortex tornadoes
Cycloidal_marks
EF5 tornado in Iowa
tornado traveled through a series of farm fields, leaving distinct cycloidal marks in the corn stubble. The tornado rapidly grew in size right after touchdown
2008 Parkersburg–New Hartford tornado
2008_Parkersburg–New_Hartford_tornado
1955 tornado in Nebraska, U.S.
path, cycloidal debris marks were documented in aerial shots after the event. At the time, cycloidal marks were an unknown phenomenon, and the marks left
1955_Scottsbluff_tornado
2010 EF4 tornado in Mississippi, U.S
couple of high-tension power poles along the Interstate 20, carving cycloidal marks in the ground, and flipping a tractor trailer, injuring the driver
2010_Yazoo_City_tornado
Scale for rating tornado intensity
or both; and depending on the circumstances, ground-swirl patterns (cycloidal marks), weather radar data, witness testimonies, media reports and damage
Fujita_scale
2003 F4 tornado in South Dakota, U.S.
Manchester. It would destroy crops, trees, and powerlines, digging cycloidal mark patterns into the field − likely having a multiple-vortex structure
2003_Manchester_tornado
Violent late-season EF4 tornado in Illinois
studied the cycloidal marks left behind by the tornado after tracking through the city of Washington in the rural areas. Areas of the cycloidal marks were split
2013 Washington, Illinois tornado
2013_Washington,_Illinois_tornado
Storm characterized by lightning
tornadoes. Doppler radar data, photogrammetry, and ground swirl patterns (cycloidal marks) may also be analyzed to determine intensity and award a rating. Waterspouts
Thunderstorm
2024 EF3 tornado in Ohio, U.S.
areas, impacting several farmsteads at EF1-EF2 intensities, carving cycloidal marks onto fields, and blowing down several trees and power poles. The tornado
2024 Lakeview–Russells Point tornado
2024_Lakeview–Russells_Point_tornado
Toothed gear based on epicycloids and hypocycloids
A cycloidal gear is a toothed gear with a cycloidal profile. Such gears are used in mechanical clocks and watches, rather than the involute gear form
Cycloid_gear
EF4 tornado in Mississippi, US
damage. Aerial imagery of this area also revealed ground scouring and cycloidal marks in open fields. A narrow path of wind-rowed granularized debris was
2023_Rolling_Fork_tornado
Scale for rating tornado intensity
engineering analysis. Also sometimes available are ground swirl patterns (cycloidal marks) left in the wake of a tornado. If an on site analysis is not possible
TORRO_scale
As it moved south of Heere, it completely debranched trees and left cycloidal marks in fields. The next day, a weak tornado struck a forest and nearby
Tornadoes_of_2024
Violently rotating column of air
Doppler weather radar data, photogrammetry, and ground swirl patterns (cycloidal marks) may also be analyzed to determine intensity and award a rating. Tornadoes
Tornado
Measurement of strength and severity of tornadoes
tornadoes. Doppler radar data, photogrammetry, and ground swirl patterns (cycloidal marks) may also be analyzed to determine the intensity and assign a rating
Tornado_intensity
2023 EF3 tornado across Tennessee and Kentucky, USA
beyond Cabana Drive, the tornado traversed through open fields, carving cycloidal marks into the ground. Nearing Tiny Town Road, the tornado returned to damaging
2023_Clarksville_tornado
punching (or punching the core) Corridor outbreak Cumulonimbus cloud (Cb) Cycloidal marks Cyclonic rotation Cyclogenesis Cyclone – An area of cyclonic low pressure
Glossary_of_tornado_terms
2023 severe weather outbreak in the Southern U.S
imagery of this area also revealed ground scouring and the presence of cycloidal marks in open fields. Beyond this point, the tornado caused widespread EF2
Tornado outbreak of March 24–27, 2023
Tornado_outbreak_of_March_24–27,_2023
2008 natural disaster in the US
tornado traveled through a series of farm fields, leaving distinct cycloidal marks in the corn stubble. It then tracked toward Parkersburg, becoming violent
Tornado outbreak of May 22–27, 2008
Tornado_outbreak_of_May_22–27,_2008
Tornado outbreak in South Dakota, US
crops, trees and several farm buildings were damaged. Tornado left cycloidal marks in farm fields. F0 Vermillion area Clay 2158 0.2 miles (0.32 km) Brief
2003 South Dakota tornado outbreak
2003_South_Dakota_tornado_outbreak
Severe weather event in the eastern United States
administrative building and a hangar were damaged. The tornado left cycloidal marks in farm fields outside of town. F0 Marion Marion OH 40°35′00″N 83°08′00″W
2002 Veterans Day weekend tornado outbreak
2002_Veterans_Day_weekend_tornado_outbreak
Early-season tornado outbreak in Southern United States
the resort to the east, strewing debris across a field and leaving cycloidal marks in the dirt while continuing to snap trees at a weaker, but still strong
Tornado outbreak of March 13–15, 2024
Tornado_outbreak_of_March_13–15,_2024
homes were destroyed and the two fatalities occurred. The tornado left cycloidal marks on the ground, which were later understood to indicate a multiple-vortex
Tornadoes_of_1955
Weather event in the United States
multiple poorly anchored homes were leveled and swept away. Intense cycloidal marks were observed in farm fields outside of town. Past Fairdale, the tornado
Tornado outbreak of April 8–9, 2015
Tornado_outbreak_of_April_8–9,_2015
tornadoes Gustnado Dust devil Fire whirl Steam devil Tornado impacts Cycloidal marks Debris fallout Power flash Tornado climatology Dixie Alley South American
Outline_of_tornadoes
Mechanism for regulating the speed of clocks
clock's drive force. To make its period isochronous, Huygens mounted cycloidal-shaped metal guides next to the pivots in his clocks, that constrained
Pendulum
and many trees and power lines were downed as well. Tornado left cycloidal marks in farm fields outside of town, and damaged or destroyed several rural
List of tornadoes in the outbreak of November 17, 2013
List_of_tornadoes_in_the_outbreak_of_November_17,_2013
Three-shaft planetary gearset
which in turn made the rotating ring gear rotate by a single tooth like a cycloidal drive.[citation needed] More than one member of a system can serve as
Epicyclic_gearing
EF4 tornado in Georgia and Tennessee, U.S.
located near Friendship Road, where 20 homes were destroyed and deep cycloidal ground scouring was documented. A pickup truck located in the area was
2011_Ringgold–Apison_tornado
Erroneous AI-generated content
scientist Teresa Kubacka has recounted deliberately making up the phrase "cycloidal inverted electromagnon" and testing ChatGPT by asking it about the (nonexistent)
Hallucination (artificial intelligence)
Hallucination_(artificial_intelligence)
Fastest curve descent without friction
the quickest path from A to B or from D to B, the brachistochrone, is a cycloidal arc, which is shown in Fig. 3 for the path from A to B, and Fig.4 for
Brachistochrone_curve
Weather event in the United States
Two outbuildings were destroyed, many trees were snapped, and cycloidal scour marks were left in farm fields as well. As the tornado crossed into Caldwell
Tornado outbreak of May 25–27, 2024
Tornado_outbreak_of_May_25–27,_2024
Relationship between fields of study
54, No. 3 (Sep., 2003), pp. 439–463 https://www.jstor.org/stable/3541794 Mark Steiner (1992), "Mathematical Rigor in Physics". https://www.taylorfrancis
Relationship between mathematics and physics
Relationship_between_mathematics_and_physics
American inventor, engineer and professor
the Kirsten pipe (a tobacco pipe), and the Kirsten-Boeing propeller (a cycloidal propeller ). The Kirsten Wind Tunnel at University of Washington was promoted
Frederick_Kirsten
Shipping company based in Tacoma, Washington, U.S.
Today[when?] Foss provides three large conventional SeaRiver tugs and one Foss cycloidal tractor tug. The Foss SeaRiver Tug office is located at 150A West Industrial
Foss_Maritime
Staten Island Ferry vessels
in each ship are arranged in two married pairs, each of which drive a cycloidal propeller at each end of the ship for double-ended operation. "Eastern
Ollis-class_ferry
List of tornadoes in the highest tornado intensity scales
Franklin T.; Moon, Sung Min (2024). "Evaluating the Viability of Surface Marks to Estimate Tornado Winds in Rural Areas". 104th Annual AMS Meeting 2024
List of F5, EF5, and IF5 tornadoes
List_of_F5,_EF5,_and_IF5_tornadoes
Deadly EF4 tornado in Kentucky, United States
debarked, barns and farm buildings were destroyed, livestock was killed, and cycloidal markings were left in fields outside the town. Four deaths and numerous
2021_Western_Kentucky_tornado
of Ilo, Peru in 2015, for three weeks and six months respectively. The Cycloidal Wave Energy Converter is a wave energy concept being developed by Atargis
List_of_wave_power_projects
English clockmaker (1693–1776)
instead of being steel, they are of diamond, and their backs are shaped to cycloidal curves... The action of this escapement is quite different from that of
John_Harrison
2023 tornado outbreak in the Midwestern and Southern United States
video by many storm chasers in the area. The tornado began to leave cycloidal scour marks in farm fields, indicating the presence of multiple-vortices within
Tornado outbreak of March 31 – April 1, 2023
Tornado_outbreak_of_March_31_–_April_1,_2023
Ferry service in the Malaysian state of Penang
service in 1957. It had a weight of 180 tonnes and was equipped with a cycloidal propulsion system, while retaining the older side-loading capability that
Penang_ferry_service
Ferry across the River Thames in east London
ferries featured Voith Schneider propulsion systems for manoeuvrability. A cycloidal propeller was fitted centrally at either end, each driven by a 500bhp
Woolwich_Ferry
lantern on the other hand could project a painted image on a surface, and marks the point where cameras and projectors became two different kinds of devices
List of Dutch inventions and innovations
List_of_Dutch_inventions_and_innovations
Mechanism for regulating the speed of clocks
the small angle approximation. To be time-independent, the path must be cycloidal. To minimize the effect with amplitude, pendulum swings are kept as small
Escapement
Class of Italian minehunters
with two diesel motors driving two Voith Schneider Propellers; these cycloidal propellers eliminate the need for the aft two active rudders. The ships
Lerici-class_minehunter
Weather event in the United States
Farms were swept away in rural areas outside of town, and intense cycloidal scour marks were visible in fields. A department store was flattened and the
Tornado outbreak of May 15–16, 1968
Tornado_outbreak_of_May_15–16,_1968
Group of sudden tornadoes around South Dakota
destroyed, and several others were damaged. Aerial survey revealed cycloidal scour marks in farm fields. Two people were injured. F2 SE of Huron Beadle 0018
Tornado outbreak of August 24, 2006
Tornado_outbreak_of_August_24,_2006
Natural satellite orbiting Saturn
October 1, 2017. Hurford, T.A.; Sarid, A.R.; Greenberg, R. (January 2007). "Cycloidal cracks on Europa: Improved modeling and non-synchronous rotation implications"
Enceladus
Windstorms in the southern United States
circulation themselves at times. Aerial flyovers revealed extensive cycloidal scouring marks in farm fields outside of Marysville. EF3 damage continued to the
Tornado outbreak of March 2–3, 2012
Tornado_outbreak_of_March_2–3,_2012
No damage occurred. EF0 SW of Marks Butte Sedgwick CO 40°47′N 102°33′W / 40.79°N 102.55°W / 40.79; -102.55 (Marks Butte (May 27, EF0)) 22:44–22:45
List of United States tornadoes in May 2019
List_of_United_States_tornadoes_in_May_2019
Dutch mathematician and physicist (1629–1695)
oscillating properties of the cycloid, Huygens was able to transform a cycloidal pendulum into a vibrating spring through a combination of geometry and
Christiaan_Huygens
Weather event in the United States
that heavily damaged a brick home near Bern, Kansas, and left cycloidal scouring marks in open farm fields. A total of 31 tornadoes were confirmed on
Tornado outbreak of May 20–23, 2019
Tornado_outbreak_of_May_20–23,_2019
Kirkham-Williams Mercury I (Prof Frederick K Kirsten, University of WA) Kirsten 1934 Cycloidal Flying machine see:Lee-Richards (James Kistler ) Kistler Skeeter (a.k
List_of_aircraft_(K)
Class of chemical compounds
Arévalo-López, Ángel; Ritter, Clemens; Choi, Kwang-Yong; Lü, Minfeng (2021). "Cycloidal Magnetic Order Promoted by Labile Mixed Anionic Paths in M2(SeO3)F2 (M
Selenite_fluoride
CYCLOIDAL MARKS
CYCLOIDAL MARKS
Girl/Female
Indian
Conquered, A signet, Symbol, With auspicious marks
Surname or Lastname
English
English : habitational name from Marksbury in Somerset (now Avon), which was named in Old English either as ‘Mǣrec’s or Mearc’s stronghold’ (from an Old English male personal name + burh ‘stronghold’, ‘fortified place’, dative byrig), or as ‘stronghold on a boundary’ (from mearc ‘boundary’, possibly a reference to the Wansdyke, + burh, byrig).
Girl/Female
Tamil
Conquered, A signet, Symbol, With auspicious marks
Surname or Lastname
English
English : occupational name for a marksman, from an agent derivative of Middle English schoot(en) ‘to shoot’.Americanized spelling of German and Dutch Schutter.
Surname or Lastname
English
English : from Middle English pile ‘stake’, ‘post’ (via Old English from Latin pilum ‘spike’, ‘javelin’), hence a topographic name for someone who lived near a stake or post serving as a landmark or a metonymic occupational name for a stake maker or a nickname for a tall strong man.Dutch : metonymic occupational name for a marksman or an arrowsmith, from pijl ‘arrow’.
Boy/Male
Celtic
Marksman.
Surname or Lastname
English
English : of uncertain derivation. Reaney suggests this is from Old French dix mars ‘ten marks’, presumably as a nickname for someone who owed this as a feudal due or paid it in rent.German : variant of the personal name Dietmar (see Dittmar).
Surname or Lastname
English and Dutch
English and Dutch : patronymic from Mark 1.English : variant of Mark 2.German and Jewish (western Ashkenazic) : reduced form of Markus, German spelling of Marcus (see Mark 1).
Girl/Female
Tamil
Conquered, A signet, Symbol, With auspicious marks
Boy/Male
Celtic
Marksman.
Boy/Male
Hindu
One with auspicious marks
Surname or Lastname
English
English : unexplained. It is said to be from Old French dix marcs ‘ten marks’, perhaps denoting a valuation, but this is doubtful.
Surname or Lastname
English
English : variant spelling of Marks.
Girl/Female
Indian
Conquered, A signet, Symbol, With auspicious marks
Surname or Lastname
English and Jewish (Ashkenazic)
English and Jewish (Ashkenazic) : patronymic from the personal name Mark.
Boy/Male
Indian
Marksman
Surname or Lastname
English
English : nickname from Old French maquerel ‘bawd’.English : from Middle English makerel ‘mackerel’ (the fish), hence a metonymic occupational name for a fisherman or a seller of these fish.English : Possibly also from Middle English mackerel ‘red scorch marks (on the skin)’, perhaps a descriptive nickname for someone with a noticeable birthmark.
Boy/Male
Celtic
Marksman.
Boy/Male
Muslim
Marksman
Boy/Male
Tamil
One with auspicious marks
CYCLOIDAL MARKS
CYCLOIDAL MARKS
Boy/Male
Hindu, Indian
Spring Season; Vasanth Ritu
Boy/Male
Hindu
One with a bow in hand
Boy/Male
Hindu, Indian, Punjabi, Sikh, Traditional
Meditative in God; Remembrance
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Lord Shiva; Lord Vishnu
Male
Spanish
Pet form of Portuguese/Spanish Carlos ("man"), CARLITO means "little Carlos" or "little man."
Girl/Female
Muslim/Islamic
'Health' free from illness and grief
Girl/Female
Indian
Pleased, Happy
Boy/Male
Biblical
Paternal; that pursues the steps of his father.
Boy/Male
Tamil
Gold or Lord Buddha, Early winter
Boy/Male
Indian, Punjabi, Sikh
Bestowed with God's Grace
CYCLOIDAL MARKS
CYCLOIDAL MARKS
CYCLOIDAL MARKS
CYCLOIDAL MARKS
CYCLOIDAL MARKS
a. & n.
Same as 2d and 3d Cycloid.
a.
Pertaining to, or of the nature of, colloids.
n.
the curve traced by any point in the plane of a given curve when the latter rolls, without sliding, over another fixed curve. See Cycloid, and Epycycloid.
n. pl.
An order of fishes, formerly proposed by Agassiz, for those with thin, smooth scales, destitute of marginal spines, as the herring and salmon. The group is now regarded as artificial.
a.
Having marks or patches of different colors; as, variegated leaves, or flowers.
n. pl.
An order of ganoid fishes, having cycloid scales. The bowfin (Amia calva) is a living example.
n.
One of the small, thin, membranous, bony or horny pieces which form the covering of many fishes and reptiles, and some mammals, belonging to the dermal part of the skeleton, or dermoskeleton. See Cycloid, Ctenoid, and Ganoid.
n.
A curve, in which a body, starting from a given point, and descending solely by the force of gravity, will reach another given point in a shorter time than it could by any other path. This curve of quickest descent, as it is sometimes called, is, in a vacuum, the same as the cycloid.
n.
Skill of a marksman.
n.
The state or quality of being colloidal.
n.
A curved line, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall; as, an inverted cycloid with its base horizontal is a tautochrone.
a.
Pertaining to, or resembling, a cycloid; as, the cycloidal space is the space contained between a cycloid and its base.
a.
Alt. of Cyclical
n. pl.
One of the subclasses of fishes. They have an arterial cone and bulb, spiral intestinal valve, and the optic nerves united by a chiasma. Many of the species are covered with bony plates, or with ganoid scales; others have cycloid scales.
n.
A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane.
a.
Of or pertaining to a cycle or circle; moving in cycles; as, cyclical time.
pl.
of Marksman
n.
One of the Cycloidei.
a.
Of or pertaining to the Cycloidei.
n.
The curve described by any point in a wheel rolling on a line; a cycloid; a roulette; in general, the curve described by any point fixedly connected with a moving curve while the moving curve rolls without slipping on a second fixed curve, the curves all being in one plane. Cycloids, epicycloids, hypocycloids, cardioids, etc., are all trochoids.