Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

NASA imagery sees a reawakening of system 98A in the Arabian Sea

09.06.2011
System 98A has been bringing rains, gusty winds and churning up the surf along the Arabian Seacoast of west-central India for days, and NASA satellite imagery confirms that it is getting organized now that it has moved into open waters.

NASA's Atmospheric Infrared Sounder (AIRS) instrument onboard NASA's Aqua satellite captured an image on June 8 at 08:47 UTC (4:47 a.m. EDT) of the hundreds of thunderstorms that make up the low pressure area called System 98A. The low pressure area has now moved to the west-southwest and away from Mumbai, India. In fact, today it is located about 200 miles west-southwest of Mumbai near 17.2 North and 69.8 East.


NASA's Aqua satellite AIRS instrument captured an infrared look at System 98A's cloud temperatures and thunderstorms on June 8 at 08:47 UTC (4:47 a.m. EDT) and saw a large area of strong convection (purple). Credit: Credit: NASA/JPL, Ed Olsen

It appears that the warm waters of the Arabian Sea, and the freedom from land areas has enabled the convection (rapidly rising air that forms the thunderstorms that power a tropical cyclone) to strengthen. AIRS infrared imagery today shows a very large area of high, cold thunderstorm cloud tops mostly on the southwestern side of the center of circulation. That area has temperatures as cold as or colder (it's a benchmark) than -63 Fahrenheit/-52 Celsius. Those cold temperatures in cloud tops mean they're very high in the troposphere and the thunderstorms have a lot of uplift. It also suggests that they're heavy rainmakers.

Despite stronger convection, infrared imagery also showed that the low level circulation center is partially exposed to outside winds. Another factor that's not enabling the low to strengthen into a tropical storm is the presence of dry air that was seen yesterday. Dry air is still present to the northwest of the low, and dry air saps moisture out of the air and suppresses thunderstorm development. That could help explain why most of the convection is in the southern side of the low.

System 98A is drifting slowly to the northwest, and according to the Joint Typhoon Warning Center, its maximum sustained winds are between 25 to 30 knots (29 to 34/46 to 55 kmh). The Joint Typhoon Warning Center gives System 98A a medium chance of strengthening into a tropical storm in the next 24 hours.

Rob Gutro | EurekAlert!
Further information:
http://www.nasa.gov

More articles from Earth Sciences:

nachricht Research sheds new light on forces that threaten sensitive coastlines
24.04.2017 | Indiana University

nachricht NASA sees the end of ex-Tropical Cyclone 02W
21.04.2017 | NASA/Goddard Space Flight Center

All articles from Earth Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Making lightweight construction suitable for series production

More and more automobile companies are focusing on body parts made of carbon fiber reinforced plastics (CFRP). However, manufacturing and repair costs must be further reduced in order to make CFRP more economical in use. Together with the Volkswagen AG and five other partners in the project HolQueSt 3D, the Laser Zentrum Hannover e.V. (LZH) has developed laser processes for the automatic trimming, drilling and repair of three-dimensional components.

Automated manufacturing processes are the basis for ultimately establishing the series production of CFRP components. In the project HolQueSt 3D, the LZH has...

Im Focus: Wonder material? Novel nanotube structure strengthens thin films for flexible electronics

Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.

"The structural robustness of thin metal films has significant importance for the reliable operation of smart skin and flexible electronics including...

Im Focus: Deep inside Galaxy M87

The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.

Supermassive black holes form some of the most enigmatic phenomena in astrophysics. Their enormous energy output is supposed to be generated by the...

Im Focus: A Quantum Low Pass for Photons

Physicists in Garching observe novel quantum effect that limits the number of emitted photons.

The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...

Im Focus: Microprocessors based on a layer of just three atoms

Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.

Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Expert meeting “Health Business Connect” will connect international medical technology companies

20.04.2017 | Event News

Wenn der Computer das Gehirn austrickst

18.04.2017 | Event News

7th International Conference on Crystalline Silicon Photovoltaics in Freiburg on April 3-5, 2017

03.04.2017 | Event News

 
Latest News

DGIST develops 20 times faster biosensor

24.04.2017 | Physics and Astronomy

Nanoimprinted hyperlens array: Paving the way for practical super-resolution imaging

24.04.2017 | Materials Sciences

Atomic-level motion may drive bacteria's ability to evade immune system defenses

24.04.2017 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>