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See searches and references containing BEAUFORT SCALE!BEAUFORT SCALE
Empirical measure describing wind speed based on observed conditions
The Beaufort scale (/ˈboʊfərt/ BOH-fərt) is an empirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the
Beaufort_scale
Irish hydrographer and naval officer (1774–1857)
hydrographer and naval officer who created the Beaufort cipher and the Beaufort scale. Francis Beaufort was descended from French Protestant Huguenots
Francis_Beaufort
Scale for rating tornado intensity
the Beaufort scale. The scale was tested from 1972 to 1975 and was made public at a meeting of the Royal Meteorological Society in 1975. The scale sets
TORRO_scale
Scale for rating tornado intensity
to smoothly connect the Beaufort scale and the Mach number scale. F1 corresponds to the twelfth level of the Beaufort scale, and F12 corresponds to Mach
Fujita_scale
Scale to estimate the roughness of the sea for navigation
2–4 m High wave 4.01 m + Beaufort scale Fujita scale Saffir–Simpson hurricane scale Sea state Significant wave height TORRO scale Owens, Edward H. (1982)
Douglas_sea_scale
Weather forecast including a warning of a gale-force winds
locations currently or imminently experiencing winds of gale force on the Beaufort scale. Gale warnings (and gale watches) allow mariners to take precautionary
Gale_warning
Surname list
creator of the Beaufort scale, namesake of the Beaufort Sea Louisa Beaufort (1781–1863), Irish antiquarian, author and artist Duke of Beaufort (England),
Beaufort_(surname)
Tropical cyclone intensity scale
Accumulated cyclone energy Beaufort scale – Relates wind speed to observable conditions at sea and on land Enhanced Fujita scale – For tornado intensity
Saffir–Simpson_scale
Tornado intensity rating scale
EF scale wording, which gives a new term for each rating on the scale, going from weak to catastrophic. Weather portal Physics portal Beaufort scale International
Enhanced_Fujita_scale
2020 natural disaster in the U.S. state of Utah
It is estimated that the windstorm had reached a 12 rating on the beaufort scale. A wind gust at the University of Utah was recorded at 112 mph (180 km/h)
2020_Utah_windstorm
variously defined based on speed. In the modern Beaufort scale, a gale is any sustained wind of Beaufort number 7 or greater, corresponding to near gale
Glossary_of_meteorology
Strong wind
63 mph; 28 m/s). The most common way of describing wind force is with the Beaufort scale that defines a gale as wind from 50 kilometres per hour (14 m/s) to
Gale
Topics referred to by the same term
Beaufort, Haute-Garonne Beaufort, Hérault Beaufort, Isère Beaufort, Jura Beaufort, Nord Beaufort, Savoie Beaufort-Blavincourt, Pas-de-Calais Beaufort-en-Argonne
Beaufort
Topics referred to by the same term
Storm scale or storm-scale may refer to: Intensity rating schemes for various types of storms: Antarctica Weather Danger Classification Beaufort scale for
Storm_scale
1989 studio album by Billy Joel
warning flag indicating wind forces 10–12, the highest intensity on the Beaufort scale. Joel has stated in recent Sirius XM segments that he was inspired by
Storm_Front_(album)
Scales of the intensity of tropical cyclones
not exceed force 10 on the Beaufort scale and a Cyclone where the winds are either force 11 and 12 on the Beaufort scale. Between 1924 and 1988, tropical
Tropical cyclone intensity scales
Tropical_cyclone_intensity_scales
Tornado rating system
International Fujita scale Beaufort scale Saffir–Simpson hurricane wind scale Severe weather terminology (United States) TORRO scale Tornado intensity and
International_Fujita_scale
Unit of speed
a true airspeed of 500 kn in standard conditions. Transport portal Beaufort scale Hull speed, which deals with theoretical estimates of practical maximum
Knot_(unit)
Strong, dry north winds of the Aegean Sea
up in clear weather without warning and can blow at force 7–8 on the Beaufort scale. Some yachts and most inter-island ferries cannot sail under such conditions
Etesian
is considered to be designed for winds that may exceed wind force 8 (Beaufort scale) and significant wave height of 4 m and above but excluding abnormal
Recreational_Craft_Directive
Irish contributions to science, technology, and engineering
culture worldwide. 1805: Beaufort scale – Francis Beaufort, a hydrographer from County Meath, developed a standardised scale for measuring wind speed
Timeline of Irish inventions and discoveries
Timeline_of_Irish_inventions_and_discoveries
Rate at which air moves from high- to low-pressure areas
speeds. Historically, wind speeds have also been classified using the Beaufort scale, which is based on visual observations of specifically defined wind
Wind_speed
Meteorological phenomenon
allows them to gauge the strength of the wind. Air masses Apparent wind Beaufort scale Wind fetch Wind power Wind rose Wind transducer Yamartino method for
Wind_direction
Type of wind warning
33 knots), encompassing the combined ranges of forces 6 and 7 on the Beaufort scale. Winds strong enough to trigger a small craft advisory may be referred
Small_craft_advisory
Topics referred to by the same term
Highwind most commonly refers to: High winds, on the Beaufort scale Highwind, Highwinds, or High Winds may also refer to: Ricard Highwind, fictional character
Highwind
Brief increase in wind speed
burst is expressed in meters per second (m/s) or in knots, while the Beaufort scale is used for reporting the mean speed. When the maximum speed exceeds
Wind_gust
Natural movement of air or other gases relative to a planet's surface
Earth's complex atmospheric system. Historically, the Beaufort wind force scale, created by Francis Beaufort, provides an empirical description of wind speed
Wind
Bridge in Zadar County, Croatia
the bora, and during the construction the wind speed was 8 on the Beaufort scale for a period of four months. In a 2019 spring storm, the top wind speed
Pag_Bridge
English noblewoman and politician (1443–1509)
Lady Margaret Beaufort (/ˈboʊfərt/ BOH-fərt or /ˈbjuːfərt/ BEW-fərt; 31 May 1443 – 29 June 1509) was a major figure in the Wars of the Roses of the late
Lady_Margaret_Beaufort
Sailing superyacht sunk in 2024
was "violent, very violent" and thought it reached force 12 on the Beaufort scale—hurricane strength. He said: "It was tonnes of water coming down. I
Bayesian_(yacht)
Emergency magnitude measure
1805 Beaufort scale 1931 Modified Mercalli intensity scale 1935 Richter scale (superseded by the Moment magnitude scale) 1969 Saffir–Simpson scale 1971
Rohn_emergency_scale
Frigate of the Royal Navy
during which service she captured many prizes. Francis Beaufort, inventor of the Beaufort scale, was a lieutenant on Phaeton when he distinguished himself
HMS_Phaeton_(1782)
Dimensionless quantity in fluid dynamic
of a wide range of speeds Fujita scale – Used to estimate wind speeds and bridges the Beaufort scale and the Mach scale Young, Donald F.; Munson, Bruce
Mach_number
could improve to winds of up to 18 mph (29 km/h) or force 3–4 on the Beaufort scale; a basic requirement for landing craft. At the 21:00 (9 pm) meeting
Weather forecasting for Operation Overlord
Weather_forecasting_for_Operation_Overlord
General condition of the free surface on a large body of water
record wave height of nearly 20 m in the open ocean. Beaufort scale Cross sea Douglas sea scale Holthuijsen, Leo H. (2007). Waves in oceanic and coastal
Sea_state
1994 maritime disaster on Baltic Sea
second (29 to 49 knots; 34 to 56 miles per hour), force 7–10 on the Beaufort scale and a significant wave height of 4 to 6 m (13 to 20 ft) compared with
Sinking_of_MS_Estonia
Type of sail for rigged sailing ships
Royal Sail Breeze or bovenbramzeilskoelte was a Force 2 wind on the Beaufort Scale. Dean King, A Sea of Words: A Lexicon and Companion to the Complete
Royal_(sail)
City in South Carolina, United States
Beaufort (/ˈbjuːfərt/ BEW-fərt) is a city in Beaufort County, South Carolina, United States, and its county seat. Chartered in 1711, it is the second-oldest
Beaufort,_South_Carolina
the Beaufort scale since it was designed by Admiral Sir Francis Beaufort by 1806, and is now classified a Category 1 on the Saffir–Simpson scale in the
Tropical_cyclones_by_year
Scottish geographer and hydrographer (1737–1808)
the Beaufort scale". The Mariner's Mirror. 53 (4): 311–313. doi:10.1080/00253359.1967.10659401. ISSN 0025-3359. Friendly, Alfred (1977). Beaufort of the
Alexander_Dalrymple
Topics referred to by the same term
keyboard F6, a theoretical level on the Fujita scale of tornado strength Force 6, a level on the Beaufort scale of windspeed F6, the octave name for the F
F6
Gentlemen's club in London, England
Stanley Baldwin, Prime Minister Alec Douglas-Home, Francis Beaufort (creator of the Beaufort scale), Robert FitzRoy of HMS Beagle, Sir William Edward Parry
Travellers_Club
2017 film by Joachim Rønning and Espen Sandberg
was extensive usage of water simulations, with the artists using the Beaufort scale to ensure the waves and wind realistically matched. This was the first
Pirates of the Caribbean: Dead Men Tell No Tales
Pirates_of_the_Caribbean:_Dead_Men_Tell_No_Tales
1859 storm in the Irish Sea
continuing northwards to affect Scotland. The winds reached force 12 on the Beaufort scale and were well over 100 mph (160 km/h). At the Mersey, a wind pressure
Royal_Charter_Storm
14 °F) combined with high wind speed (typically force 8 or above on the Beaufort scale) result in spray blown off the sea freezing immediately on contact with
Icing_(nautical)
Soviet supersonic heavy bomber
flight by new pilots in crosswind conditions above fresh breeze on the Beaufort scale. Air for the crew was provided by a bleed air system on the engine compressors
Tupolev_Tu-22
British maritime weather report and forecast
This is followed by gale warnings (winds of force 8 or more on the Beaufort scale), if any (e.g., "There are warnings of gales in Rockall, Malin, Hebrides
Shipping_Forecast
1993 maritime disaster
across the Baltic Sea. The ship experienced winds measuring 12 on the Beaufort scale; wind speeds reached 160 km/h (86 kn; 99 mph) and waves reached a height
Sinking of the MS Jan Heweliusz
Sinking_of_the_MS_Jan_Heweliusz
Scientific study of the atmosphere focusing on weather forecasting
University of Birmingham Press, pp. 189. ISBN 1-902459-02-4. Giles, Bill. "Beaufort Scale". BBC Weather. Archived from the original on 15 October 2010. Retrieved
Meteorology
Fabric building structure providing shade
through the fabric "roof" section. These systems meet Beaufort scale wind loads up to Beaufort 10 (89–101 km/h or 48–55 kn or 55–63 mph) depending on
Awning
French medium-hard Alpine cheese
of Beaufort: Beaufort d'été (or summer Beaufort) Beaufort d'alpage (made in chalets in the Alps on high pastures) Beaufort d'hiver (winter Beaufort) Beaufort
Beaufort_cheese
Cargo ship
October 2008 following severe gale force winds measuring 12 on the Beaufort scale. Spanish and Gibraltarian emergency services mounted a joint rescue
MV_Fedra
Disaster at sea off Cornwall (1981)
gusting at up to 90 knots (100 mph; 170 km/h)—hurricane force 12 on the Beaufort scale—were blowing the powerless ship across Mount's Bay towards the rocks
Penlee_lifeboat_disaster
Extreme sport
either an anemometer or, more typically, visual clues as shown in the Beaufort scale. Modern kites dedicated to kitesurfing provide a "depower" option to
Kiteboarding
2009 oil spill in Norway
Skagerrak. The following day there were warning alerts for gale of Beaufort scale level 10 towards the southeast, which persisted throughout the day.
Full_City_oil_spill
Hovercraft built for English Channel services
at the bow. The SR.N4 could operate up to gale force 8 wind on the beaufort scale and 3.5m swell seas. Upon completion of the prototype SR.N4, Charles
SR.N4
2025 windstorm over the British Isles and eastern Norway
storm in Norway since the 1992 New Year's Day Storm.[citation needed] Beaufort scale Burns' Day Storm of 1990 Boxing Day Storm of 1998 Great Storm of 1987
Storm_Éowyn
Disturbed state of an astronomical body's atmosphere
definition of a terrestrial storm is a wind measuring 10 or higher on the Beaufort scale, meaning a wind speed of 24.5 m/s (89 km/h, 55 mph) or more; however
Storm
Ethnic group native to the island of Ireland
hydrographer Rear Admiral Francis Beaufort (1774–1857), an Irish naval officer of Huguenot descent, was the creator of the Beaufort scale for indicating wind force
Irish_people
Archipelago and council area off the west coast of mainland Scotland
mainlander answer dry, wet or sunny, but quote you a figure from the Beaufort Scale." There are gales one day in six at the Butt of Lewis and small fish
Outer_Hebrides
Francis Beaufort (1774-1857), Royal Navy officer and hydrographer and the inventor of the Beaufort Scale for indicating wind force. In 1746, de Beaufort accompanied
Daniel_Cornelius_de_Beaufort
Measurement of strength and severity of tornadoes
for Fujita. The scale was based on a relationship between the Beaufort scale and the Mach number scale; the low end of F1 on his scale corresponds to the
Tornado_intensity
Barlow's wheel – Peter Barlow Bath Oliver – William Oliver Beaufort scale – Sir Francis Beaufort Beecham's Pills – Thomas Beecham Belisha beacon – Leslie
List of inventions named after people
List_of_inventions_named_after_people
Severe October 1987 storm in Western Europe
were recorded for over an hour in southern Britain. According to the Beaufort scale of wind intensities, this storm had winds of hurricane force 12 (117 km/h [73 mph]
Great_storm_of_1987
Dangers of cloud formations to aircraft
number in the Beaufort scale is 12 ("hurricane force" wind) and is assigned to wind speeds of 64 knots or greater. If the Beaufort scale were extended
Cumulonimbus_and_aviation
Satirical conspiracy theory on tropical cyclones near Hong Kong
In 2006, Typhoon Prapiroon brought gale to storm winds (63-117 km/h, Beaufort scale force 8–11) to Hong Kong, fulfilling the requirements for the No.8 Gale
Li's_field
variant of the Beaufort scale. Tropical storm-force winds are 8−11 bft, and typhoon-force winds are 12 bft and above. The extended Beaufort scale used in Vietnam
Effects of Typhoon Yagi in Vietnam
Effects_of_Typhoon_Yagi_in_Vietnam
Category 1 Atlantic hurricane
during four unique consecutive hours of hurricane-force winds on the Beaufort Scale that day. These winds caused widespread damage and disruption, downing
Hurricane_Debbie_(1961)
Lake in Germany, Switzerland and Austria
Beaufort scale. A gale warning announces the likelihood of gale-force winds, i.e. those at speeds as of 34 knots or more or force 8 on the Beaufort scale
Lake_Constance
Pacific typhoon in 2022
Administration (VMHA), Noru made landfall with winds of Force 10-11 on the Beaufort scale which ranges from 89–117 km/h (55–73 mph) and is equivalent to a Severe
Typhoon_Noru
ship/ferry took on water and sank while under tow in winds of 4 to 5 on the Beaufort scale in the Aegean Sea about one nautical mile (1.9 km) east of Sifnos, Greece
List_of_shipwrecks_in_2026
Russian infantry fighting vehicle
of the back of the hull and can swim at speeds of up to 10 km/h in a Beaufort scale of 2. With a high power-to-weight ratio, the BMD-4 features superior
BMD-4
Weather alerts in Hong Kong
descriptions of winds taken from the Beaufort Scale. The Hong Kong levels, however, do not correspond to the Beaufort Scale, which has 12 levels. The lowest
Hong Kong tropical cyclone warning signals
Hong_Kong_tropical_cyclone_warning_signals
2025 music award ceremony
97, 'Archduke' – Yo-Yo Ma, Leonidas Kavakos & Emanuel Ax Cerrone: Beaufort Scales" – Beth Willer, Christopher Cerrone & Lorelei Ensemble Home – Miró
67th_Annual_Grammy_Awards
Topics referred to by the same term
Violent storm, a category used in classifying weather severity under the Beaufort scale Violent storms, a type of severe weather Violent Storm, a 1993 videogame
Violent Storm (disambiguation)
Violent_Storm_(disambiguation)
before it dissipated near Solana. It reached wind force 8 to 9 on the Beaufort scale, which it destroyed several strong houses, collapsed a school building
List_of_Philippine_tornadoes
Greek ferry which sank off the coast of Paros Island (2000)
at the time was 8 knots (4.1 m/s; 15 km/h; 9.2 mph), force 3 on the Beaufort scale. The ship sank close to the islets at 23:02, resulting in the deaths
MS_Express_Samina
Commercial transport hovercraft
Operational Limits (Sea state): 1 - 1.5 m Operational Limits (Wind): 6 (Beaufort Scale) Avionics 2 marine Decca radars (band S, 2-4 GHz, a 7 cm and 10 cm wavelength)
N500_Naviplane
Ten" Hold Your Fire 1987 Co-written by Pye Dubois. Inspired by the Beaufort scale wind speed rating. "Time Stand Still" Hold Your Fire 1987 Vocals (additional):
List of songs recorded by Rush
List_of_songs_recorded_by_Rush
British warship
ships in the combined squadron reported winds of Force 9 to 11 (on the Beaufort scale, 60 knots) with 50-foot (15 m) waves. Orders were given to drop the
HMS_Captain_(1869)
Strongest type of extratropical cyclone that occurs over Europe
of the same name, but to the hurricane strength of the wind on the Beaufort scale (winds ≥ 118 km/h or ≥ 73 mph). In English, use of term hurricane to
European_windstorm
1765 first-rate ship of the line of the Royal Navy
can safely carry her topgallant sails; Equivalent to force 6-7 on the Beaufort Scale. The gun-rating of a vessel was the number of long guns it was designed
HMS_Victory
1979 yacht disaster south of Ireland
Meteorological Office assessed the maximum winds as Force 10 on the Beaufort scale; the majority of race competitors estimated the winds to have reached
1979_Fastnet_Race
Shooting discipline
less sight adjustment. Long range wind estimation table based on the Beaufort scale There are many different long range disciplines, competing both at known
Long_range_shooting
Settlement in Greenland, Kingdom of Denmark
January days the island experiences wind speeds between 8 and 10 on the Beaufort scale, qualifying as fresh gales, strong gales, or storms. Wind speeds exceeding
Kulusuk
Place in Bavaria, Germany
and thunderstorms are common in summer and heavy winds up to 8 on the Beaufort scale are possible. Usually, the lake is calm; however, there is a warning-light
Lindau
Measuring device used in meteorology
Celsius temperature scale., translated, Anders Celsius (Elementa, 84:4, 2001); English Bill Giles O.B.E. (2009). Beaufort Scale. BBC. Retrieved on 2009-05-12
Meteorological instrumentation
Meteorological_instrumentation
the storm on two separate occasions, recording Force 8 winds on the Beaufort scale both times. On September 23, a minor area of disturbed weather was observed
1941 Atlantic hurricane season
1941_Atlantic_hurricane_season
Topics referred to by the same term
Bureau français de Taipei, the de facto embassy of France in Taiwan Beaufort scale, a measure for wind speed Blunt force trauma, trauma caused by sudden
BFT
15th-century English nobleman and military commander
Edmund Beaufort (c. 1438 – 6 May 1471), styled 4th Duke of Somerset, 6th Earl of Somerset, 3rd Marquess of Dorset, 3rd Earl of Dorset, was an English nobleman
Edmund Beaufort, 4th Duke of Somerset
Edmund_Beaufort,_4th_Duke_of_Somerset
Japanese-built Greek ferry
nautical miles from the islet of Mandili and with winds blowing 8 on the Beaufort scale, the ship abruptly took to listing due to the shifting of the tankers
Chrissi_Avgi_(ship)
Extratropical cyclone that struck northern Europe in 2007
scale they adopted in 2008. The storm was classified Hurricane-force 12 on the Beaufort scale. This is the highest classification on the modern scale
Cyclone_Kyrill
Coast. Its motor-sail operation was possible up to wind force 9 on the Beaufort scale and the ship operated in this way without significant problems until
Usuki_Pioneer
1910–13 British Antarctic expedition
shelter was almost destroyed in a blizzard with winds of force 11 on the Beaufort scale. The storm also carried away the tent upon which their survival would
Terra_Nova_Expedition
Handicap system in sailboat racing
classes. This produces a factor based on F=100 for each point of the Beaufort Scale from 0 to 9. Further extensions are being evaluated for offshore classes
Portsmouth_Yardstick
Lightweight naval vessel
per Beaufort scale, in areas closed from the waves: Under oars – 13 persons Under sail – 8 persons in case weather not more than 5–6 per Boufort scale Yal-6
Yal_(boat)
Town in Western Cape, South Africa
Beaufort West (Afrikaans: Beaufort-Wes; Xhosa: eBhobhofolo) is a town in the Western Cape province in South Africa. It is the largest town in the arid
Beaufort_West
Oil tanker which ran aground during a storm off Shetland, Scotland in 1993
in predominantly southwesterly winds of 24 to 33 metre per second (Beaufort scale 10–11). The coastguard alerted rescue helicopters from Sumburgh and
MV_Braer
European windstorm in 1992
lighthouses which is equivalent to a Category 3 hurricane on the Saffir-Simpson Scale. The Norwegian Meteorological Institute (MET Norway) (Norwegian: Meteorologisk
1992_New_Year's_Day_Storm
sail directly. See also tacking. Beaufort scale A scale describing wind speed, devised by Admiral Sir Francis Beaufort in 1808, in which winds are graded
Glossary of nautical terms (A–L)
Glossary_of_nautical_terms_(A–L)
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BEAUFORT SCALE
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