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918fe1416ac93c4692b6c89acafe6f391
2011-03-17 10:24:48

NASA's Aqua and TRMM satellites are providing data to scientists about the Southern Atlantic Ocean Sub-tropical Storm Arani, a rare occurrence in the southern ocean. Rainfall data and cloud top temperatures revealed some heavy rain and strong thunderstorms exist in Arani as it continues to pull away from Brazil. NOAA's Satellite and Information Service classified Arani as a T1 on the Dvorak intensity scale which would indicate an estimated wind speed of about 29 knots (~33 mph). During the...

e9e226b505994b63b45e210ef059cda41
2011-02-15 18:00:00

NASA's Aqua satellite captured a low pressure area known as System 99S that appears to be strengthening very close to Darwin, Australia. Aqua satellite data indicated that the strongest thunderstorms were over the Timor Sea on Feb. 15. System 99S is a threat to Australia's Northern Territory because on Feb. 15 it was centered only 20 miles (32 km) south of Darwin, Australia, near 12.7 degrees South latitude and 130.7 degrees East longitude. The Joint Typhoon Warning Center gives System 99S a...

426a4ce65f1bf3d73821dfa0d6b70b2e
2011-02-11 07:46:23

A low pressure area located a couple of hundred miles northwest of Western Australia appears in a better position for development into a tropical cyclone according to infrared NASA satellite imagery. Infrared imagery from NASA's Aqua satellite shows some strong convection in the low, named System 96S. When Aqua passed over System 96S on Feb. 9 at 17:47 UTC (12:47 p.m. EST), the Atmospheric Infrared Sounder (AIRS) instrument showed some strong convection and strong thunderstorms with very cold...

27f64925986decbd28456a986947cf6c
2011-02-01 09:42:47

Fresh on the heels of a series of crippling floods that began in December 2010, and a small tropical cyclone, Anthony, this past weekend, the northeastern Australian state of Queensland is now bracing for what could become one of the largest tropical cyclones the state has ever seen. The Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite, built and managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., captured this infrared image of Yasi on Jan. 31, 2011, at 6:29...

0d4a636b354127c51f9516ad4492a8921
2011-01-14 08:18:02

The last thing that Queensland, Australia needs is more rainfall after the record-breaking flooding that has been occurring there in the last two months. Now, NASA's Aqua satellite has noticed a low pressure area with signs of tropical development in the Coral Sea ( part of the South Pacific Ocean Basin), between Papua New Guinea and Australia's East Coast. When NASA's Aqua satellite passed over System 94P on January 13, 2011 at 0353 UTC, the Atmospheric Infrared Sounder (AIRS) instrument...

58b669302517d0be24afa4be0f40ffb21
2010-12-15 11:41:15

Researchers from the University of the Basque Country (UPV/EHU) have been monitoring a cyclone on Saturn for more than five years. This makes it the longest-lasting cyclone detected to date on any of the giant planets of the Solar System. Images from the Cassini probe were used to carry out this study. "Cyclones "“ where the wind turns in the same direction as the planet "“ do not usually last for a long time, and so we were interested to discover one that had gone on for several...

9dc67cbf47a6a9fb0116175c386ea46c1
2010-09-14 14:08:55

NASA satellites provide infrared images to forecasters that show temperature, and today's imagery of powerful Hurricane Igor showed the storm's perfect form and the warm ocean waters around it that are keeping it fueled. NASA's infrared data also revealed a huge difference of 170 degrees between the cold cloud tops in Hurricane Igor and the warm sea surface temperatures powering it below. When NASA's Aqua satellite passed over Igor on Sept. 14 at 14:47 UTC (10:47 a.m. EDT) the Atmospheric...

4119bd8d21efa5184af077a59415bddb
2010-09-03 09:10:55

Hurricane Earl, currently a Category Two storm on the Saffir-Simpson scale with maximum sustained winds of 100 knots (115 miles per hour), continues to push relentlessly toward the U.S. East Coast, and NASA scientists, instruments and spacecraft are busy studying the storm from the air and space. Three NASA aircraft carrying 15 instruments are busy criss-crossing Earl as part of the agency's Genesis and Rapid Intensification Processes mission, or GRIP, which continues through Sept. 30. GRIP...

f241e13f6e282b8b828de7f08d567dc41
2010-07-22 08:51:59

As a teen in his native Taiwan, Bo-wen Shen observed helplessly as typhoon after typhoon pummeled the small island country. Without advanced forecasting systems, the storms left a trail of human loss and property destruction in their wake. Determined to find ways to stem the devastation, Shen chose a career studying tropical weather and atmospheric science. Now a NASA-funded research scientist at the University of Maryland-College Park, Shen has employed NASA's Pleiades supercomputer and...

6bd75def2b67d18eeca54d50498d3e8c
2010-07-12 09:08:57

Research suggests that hurricane forecasts on intensity could never be feasible Researchers at Mathematics Research Centre and Universitat Autònoma de Barcelona have discovered the mathematical relation between the number of hurricanes produced in certain parts of the planet and the energy they release. The distribution is valid for all series of hurricanes under study, independent of when and where they occurred. The research, published today in Nature Physics, suggests...


Latest Cyclone Reference Libraries

Polar Front Jet on the Water Vapor Image
2012-07-10 17:35:31

Water vapor satellite is used to identify moisture in the atmosphere. We can also use it to help us identify the Polar front Jetstream. The Jetstream is outlined in the above image with a red line. As you can see it travels through an area of black or what we refer to as dry air. The reason the polar front jet travels through dry air is that the winds associated with this jet can exceed 150mph which keeps the air moving too fast to develop moisture at high levels. The polar front jet...

Weather Reference Library
2012-05-07 10:49:26

Tropical systems are weather features that form in the tropics and can become very intense areas of low pressure that impact many coastal regions throughout the world. They usually form between 5 and 15 latitude. This is because a tropical system is a vertical extension in the atmosphere of a large thunderstorm development. In order for these thunderstorms to move they need something in the upper levels to help them move. That is where the spinning of the earth comes into play for them which...

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Word of the Day
omadhaun
  • A fool; a simpleton: a term of abuse common in Ireland and to a less extent in the Gaelic-speaking parts of Scotland.
This word is partly Irish in origin.