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Topic: Eye (cyclone)


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In the News (Tue 8 Dec 09)

  
 MercoPress - Falklands-Malvinas & South Atlantic News
Brazilian meteorologists indicated that their Miami counterparts missed when they described “Catarina” as a hurricane, since this could be easily checked by the temperature in the eye of the storm and the gyration of winds.
The cyclone baptized “Catarina” by local meteorologists, had been anticipated by the Hurricane Centre of Miami and described as “category 1” (the mildest out of a Safir scale of five).
At least two people are reported dead, five disappeared and hundreds are homeless after a deadly cyclone with winds of up to 150 kilometres per hour swept the southern coast of Brazil just north of Uruguay mid night last Saturday.
www.falkland-malvinas.com /Detalle.asp?NUM=3459   (695 words)

  
 Tropical Cyclone Ingrid - North Queensland March 2005
This Super cyclone was at its best around 0400Z on 3th with a warm eye of +20.4C and a White surrounding ring(-70C/-75C) while the CMG ring(-76C to –80C) was a little too short(0.45°) to be fully taken into account DT was at 7+.
Tropical Cyclone Ingrid is continuing to bring torrential rain and wind to the north-east, Arnhem Land coast in the Northern Territory.
Severe tropical cyclone Ingrid is expected to remain slow moving over the next 24 hours and should continue to intensify.
www.drdisk.com.hk /ingrid.htm   (11931 words)

  
 Cyclone Mahina - Wikipedia, the free encyclopedia
Just before the eye of the cyclone passed overland to the north a tidal wave (caused by storm surge), variously reported as either 13 metres or 48 feet (14.6 metres) high, swept inland for about 5 kilometres, destroying anything that was left of the Bathurst Bay pearling fleet along with the settlement.
Mahina was a Category 5 cyclone, the most powerful of the tropical cyclone severity categories.
Cyclone Mahina struck Australia in March of 1899, killing over 400 people.
en.wikipedia.org /wiki/Cyclone_Mahina   (349 words)

  
 Mariners Weather Log Vol. 49, No. 1, April 2005
In tropical cyclones, HF winds tend to be found close to the center on the periphery of the eye wall.
Cyclones were considered to be HF intensity if winds of 64 kts or greater were observed at any point in their life cycle by QuikSCAT, a ship of opportunity or a buoy.
HF cyclones were observed in all months from October through April in both oceans with the highest frequency in the North Pacific in December and in the North Atlantic in January.
vos.noaa.gov /MWL/april_05/cyclones.shtml   (1711 words)

  
 Wikinfo Tropical cyclone
This is the intensity at which tropical cyclones tend to develop an eye, which is an area of relative calm surrounded by the strongest winds of the storm, in the eyewall.
Intense cyclones show eye-wall replacement cycles, in which outer eye walls form to replace inner ones.
Eyes are home to the coldest temperatures of the storm at the surface, and the warmest temperatures at the upper levels.
www.wikinfo.org /wiki.php?title=Tropical_cyclone   (4958 words)

  
 NOAA/NGDC - Earth Observation Group - Defense Meteorological Satellite Progam, Boulder
Each image is accompanied by the vital statistics of the storm, including maximum wind speed, date and time of the image, latitude and longitude of the eye, and duration of the storm.
The 14 most intense tropical storms from the 1996 calendar year are shown with thermal infrared imagery from the DMSP Operational Linescan System.
Although 1998 produced fewer tropical storms than the average, the storms were particularly intense.
www.ngdc.noaa.gov /dmsp/hurricanes/hurricanes.html   (550 words)

  
 Cyclone Hazards and Disasters
It is important for people in cyclone areas to be aware that if the ‘eye’ of the cyclone passes over them, there will be a sudden lull in wind and clearing of skies, which may last anywhere from a few minutes to an hour or two.
Cyclone Mahina- This terrible storm in March 1899, which was accompanied by a storm surge of over 10 metres, caused by far the highest death toll of any cyclone before or since, claiming over 400 lives as it completely destroyed a pearling fleet at Bathurst Bay near Cape Melville, Queensland.
Cyclones vary greatly in character but the one feature they all have in common is a virtually calm centre with clear sky.
www.csu.edu.au /faculty/health/aemf/HDS/chapter_7.htm   (2075 words)

  
 Darwin prepares for cyclone Ingrid - Breaking News - http://www.theage.com.au
The NT Tropical Cyclone Warning Centre (TCWC)'s Laura Chappel said forecasters were predicting the cyclone's impact would be felt in Darwin Sunday night or early on Monday.
Police, the NT Cyclone Warning Centre and the NT Territory Counter Disaster Controller issued joint advice to residents to batten down and finalise "emergency kits", saying dangerously high winds could occur in the area within the next 24 hours.
It is only the second time since Tracy - which killed 65 people in 1974- that Darwin has been under Cyclone Warning for a cyclone of a rating equal to, or higher than Tracy.
www.theage.com.au /news/Breaking-News/Darwin-prepares-for-cyclone-Ingrid/2005/03/12/1110567749648.html   (555 words)

  
 Lander 4-1 paper
The universally recognized signature of a tropical cyclone is the characteristic rapid decrease in surface pressure and increase in surface winds towards the center, with the heavy rain area and storm-lashed seas, and the relatively calm eye.
The primary structural difference between these types of cyclones and conventional tropical cyclones is the larger displacement of the band of maximum surface winds from the center in the MD and MG, an incomplete ring of high winds in the MD and MG, and a much broader light-wind core in the MD and MG cyclones.
They recommended that a subtropical cyclone is considered to have a transition to a tropical cyclone if the persistent deep convection becomes located near the cyclone center so as to cover the low-level center with dense (cold on IR imagery) overcast.
www.aoml.noaa.gov /hrd/iwtc/Lander4-1.html   (3058 words)

  
 Cyclone Hazards and Disasters
It is important for people in cyclone areas to be aware that if the ‘eye’ of the cyclone passes over them, there will be a sudden lull in wind and clearing of skies, which may last anywhere from a few minutes to an hour or two.
Cyclone Mahina - This terrible storm in March 1899, which was accompanied by a storm surge of over 10 metres, caused by far the highest death toll of any cyclone before or since, claiming over 400 lives as it completely destroyed a pearling fleet at Bathurst Bay near Cape Melville, Queensland.
Cyclones vary greatly in character but the one feature they all have in common is a virtually calm centre with clear sky.
www.csu.edu.au /faculty/health/aemf/HDS/chapter_7.htm   (2075 words)

  
 Res Publica: Cyclone Season
The cyclone lost momentum and became a very rainy tropical depression but I'll never forget the sense of fear for those few days as we kept a very close eye on the bureau of meteorology's bulletins.
When Cyclone Mahina came through here in March 1899, accompanied by a massive storm surge, she wiped out a pearling fleet in nearby Bathurst Bay and claimed in excess of 300 lives.
Cyclone Tracy has well and truly entered the Australian psyche, perhaps moreso because of the timing.
ianh.typepad.com /res_publica/2005/03/cyclone_season.html   (616 words)

  
 ABC Asia Pacific - News - Cyclone Heta expected to hit Samoa tomorrow
However, the weather bureau now believes the eye of the cyclone is likely to miss inhabited areas of the country.
Cyclone Heta is now just over 300 kilometres to the north of Savaii, and is heading south southwest, between Samoa and the French territory of Wallis and Futuna.
Weather forecasters on Samoa say they expect tropical cyclone Heta to affect the northern coasts of the island of Savaii as early as tomorrow morning.
abcasiapacific.com /news/stories/asiapacific_stories_1019968.htm   (616 words)

  
 Glossary
It is often associated with possible tropical cyclone development and is also known as a tropical wave.
Generally considered to be a migratory frontal cyclone found in the middle and high latitudes.
EYE - The center of a tropical storm or hurricane, characterized by a roughly circular area of light winds and rain-free skies.
www.mnsu.edu /weather/218labs/glossary/glossary_e.html   (841 words)

  
 Weather
At this stage the winds close to the eye of the cyclone were blowing at between 110 and 160 km per hour.
The centre of the cyclone crossed the Mozambique coastline approximately 90 km south of Beira on the afternoon of 22 February 2000.
Tropical Cyclone ELINE started out as a tropical disturbance over 2500 km east of Mauritius on 8 February where the sea surface temperature was in excess of 29 degrees Celcius.
www.dwaf.gov.za /Hydrology/weather.htm   (841 words)

  
 parts of a hurricane
The Eye: The eye of a hurricane is the calmest area of the tropical cyclone (The University of Illinois).
The eye wall is literally a wall of clouds that surround the eye.
The Eye Wall: Many agree that the most deadly area of a hurricane is the eye wall.
drake.marin.k12.ca.us /stuwork/rockwater/Hurricanes/partsofahurricane.html   (365 words)

  
 mab8301.html
This suggests that the eye structure has little impact on the energetics to the eye wall and outer regions of a tropical cyclone.
The influx of mean kinetic energy from the outer radii to the eye wall region and the export of potential energy both to the outer radii and to the eye region play important roles in the energetics of the eye wall region.
It is supplied by import from the eye wall regions as well as by the conversion from total potential energy.
www.gfdl.noaa.gov /~gth/netscape/1983/mab8301.html   (209 words)

  
 Diving Cairns - Weather And Climate
The circular eye of a tropical cyclone is an area characterised by light winds and often by clear skies.
Tropical cyclones are low pressure systems that form in the tropics which, in the southern hemisphere, have well defined clockwise wind circulations with average surface winds exceeding gale force (34 knots).
The greatest number of cyclones to be recorded in one season in the Queensland region was 12 (1962/63).
www.divingcairns.com.au /weather3.html   (209 words)

  
 nov01sum.txt
However, the cyclone had already taken on a distinctive tropical appearance in satellite imagery with hints of an eye.
The primary rationale for inclusion of subtropical cyclones in the Atlantic "best track" database is the belief that many such systems prior to the satellite era were treated as tropical cyclones, and to not include them now would introduce a bias in the historical data set.
However, since the cyclone was maintained in the advisories as a tropical entity, the BT file likewise keeps Gabrielle as a tropical system until it became extratropical on 19 September.
mpittweather.com /txt/nov01sum.txt   (13047 words)

  
 National Hurricane Center Tropical Cyclone Report
In spite of the eye-like feature apparent in radar imagery, the cyclone's radius of maximum winds (~100 n mi) was more typical of a subtropical low.
Frequent coordination calls occurred between HPC, TPC, and National Weather Service (NWS) forecast offices during this period of highly-unusual cyclone activity where the system was a tropical depression, subtropical depression/storm, and then an extratropical cyclone.
Estimates during the extratropical stage are based on analyses from the NOAA Marine Prediction Center.
www.nhc.noaa.gov /2001allison.html   (2409 words)

  
 Cyclone Eline causes evacuation of Kruger National Park houses
African Eye News Service reports that Kruger National Park officials are evacuating their houses and other low-lying structures of valuables yesterday in anticipation of cyclone Eline.
Cyclone Eline causes evacuation of Kruger National Park houses (February 22, 2000)
Cyclone Eline causes evacuation of Kruger National Park houses
www.wildcare.org.za /wildlifenews/2000/02/57.html   (2409 words)

  
 USATODAY.com
Eye: The low pressure center of a tropical cyclone.
The heaviest rain, strongest winds and worst turbulence are normally in the eye wall.
Eye wall: The ring of thunderstorms that surrounds a storm's eye.
www.usatoday.com /weather/hurricane/glossary.htm   (836 words)

  
 Language overview
This short list of programming languages is intended as the basis for a "teaser" lecture which will quickly review the history (and future?) of programming languages, with an eye toward those which are important, interesting or just plain different from Java.
Assembly language is not so much a specific language as it is a language style: assemblers transliterate a low-level but human-readable notation into machine code which can be directly executed by a computer.
Toontalk is intended primarily for teaching programming and programming concepts to children, but it includes some sophisticated features, e.g., recursion, dynamic process creation, communication channels and method preconditions.
www.willamette.edu /~fruehr/348/overview.html   (733 words)

  
 Hunting Hugo - Hurrican eye-wall penetration story! - Topic
I found myself in the core of a 925 Hp 160 mph cyclone when I was six years old, I woke up one morning and there it was, and it just got stronger all morning as the cat 5 eye approached.
I had no idea what was happening, I was "in the moment", as they say, and nothing can capture how explosive a 160 mph 2 minute long super-gust is and when it finally eases the wind has dropped back to a much more calm 110-120 mph...
forums.ubi.com /eve/ubb.x?m=276109192&a=tpc&s=400102&f=38610606   (267 words)

  
 Hurricane Catarina/Aldonca - Rare South Atlantic Hurricane
The main difference, she said, is that the eye of a hurricane is hot, while the centre of an extratropical cyclone, that forms above colder waters, is cold.
This cyclone will be looked at and commented on for years to come...not to mention the great number of research papers that will be forth coming.
The similar name "Aldoncia" means "sweet." Later the official agency in Brazil named the cyclone "Catarina" after the name of the Brazilian state towards which it was headed.
www.drdisk.com.hk /aldonca.htm   (12948 words)

  
 For Sale: Thing
Reflections in a Golden Eye, Jan-88, DC Comics
The Lurker in Tunnel 13!, January/Febuary 1974, DC Comics
Monsters on the Moors, April/May 1973, DC Comics
dc.comics.ioffer.com /cat/Thing.html   (12948 words)

  
 Cyclone Catarina - Wikipedia, the free encyclopedia
Typically, tropical cyclones don't form in the South Atlantic Ocean, due to strong upper level shear, cool water temperatures, and the lack of a convergence zone of convection.
hurricane, typhoon, cyclone) in the South Atlantic basin; however, because it was in the Southern Hemisphere, it is typically considered Cyclone Catarina, the predominate term for Southern Hemisphere hurricanes.
Catarina hit southeastern Brazil in late March of 2004, and though not the first southern Atlantic tropical cyclone, it was the first positively identified hurricane strength system in the basin.
www.wikipedia.org /wiki/Cyclone_Catarina   (738 words)

  
 Tropical cyclone - Wikipedia, the free encyclopedia
Eyewall: It is the area directly around the eye of the cyclone where the winds are the highest, the clouds reach furthest into the atmosphere and the precipitation is the heaviest.
Tropical cyclones that cause massive destruction are fortunately rare, but when they happen, they can cause damage in the thousands of lives and the billions of dollars.
Warm core: Tropical cyclones are characterized and driven by the release of large amounts of latent heat of condensation as moist air is carried upwards and its water vapor condenses.
en.wikipedia.org /wiki/Hurricanes   (8930 words)

  
 Rare South Atlantic Tropical Cyclone
The South Atlantic is generally not thought of by meteorologists as a place where tropical cyclones can form.
During its daytime overpass of the southeast coast of Brazil on March 26, 2004, the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite captured this surprising sight: a tropical cyclone.
According to Holland, wind speed observations from QuickSat showed maximum surface winds of about 50 knots, but the satellite wasn't positioned to observe the part of the eye where the highest wind speeds would be expected.
www.spacedaily.com /news/weather-04f.html   (504 words)

  
 05120118
TROPICAL CYCLONE (TC) 05B (BAAZ), LOCATED APPROXIMATELY 130 NM EAST OF MADRAS, INDIA, HAS TRACKED WEST-NORTHWESTWARD AT 05 KNOTS OVER THE PAST 06 HOURS.
WHICH RACE EPSILON NORTH-NORTHEASTWARD AFTER 72 HOURS AND HAVE THE CYCLONE EAST OF NEWFOUNDLAND IN 120 HOURS.
NEXT WARNINGS AT 020900Z AND 022100Z.// ** WTNT44 KNHC 012037 *** TCDAT4 TROPICAL STORM EPSILON DISCUSSION NUMBER 10 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 4 PM EST THU DEC 01 2005 CONVECTIVE BANDING FEATURES HAVE CONTINUED TO IMPROVE...ALTHOUGH THE RAGGED BANDED EYE HAS BECOME CLOUD FILLED.
weather.unisys.com /hurricane/archive/05120118   (852 words)

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