Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

NASA AIRS Satellite instrument sees Tropical Depression 14W form

06.10.2010
The northwestern Pacific Ocean is just as active as the Atlantic Ocean this hurricane season. The fourteenth tropical depression formed near Hainan Island, China this morning and its birth was captured by a NASA infrared satellite instrument. The NASA image showed the depression's strong thunderstorms near its center and east of its center.

NASA's Aqua satellite flew over Tropical Depression 14W (TD14W) today, October 5 at 06:05 UTC (2:05 a.m. EDT). Infrared imagery from the Atmospheric Infrared Sounder (AIRS) instrument onboard the Aqua satellite revealed a concentrated area of thunderstorms and strong convection (rapidly rising air that forms thunderstorms that power a tropical cyclone) around TD14W's center in the eastern quadrant of the storm. That convection in the east is a result of westerly wind shear blowing the convection and thunderstorms away from the storm's center.


The Atmospheric Infrared Sounder (AIRS) instrument on NASA\'s Aqua satellite revealed a concentrated area of thunderstorms and strong convection (purple) around TD14W\'s center (directly over Hainan Island, China) in the eastern quadrant of the storm. Cloud top temperatures were as cold as -60 Fahrenheit in the purple areas. The convection in the east is a result of westerly wind shear blowing the convection and thunderstorms away from the storm\'s center. Credit: NASA/JPL, Ed Olsen

Infrared imagery also indicated that those storms are weakening, because the cloud tops are now warming from previous imagery. Very cold thunderstorm cloud tops (colder than -60 Fahrenheit) indicate strong thunderstorms, very high into the troposphere, that likely have heavy rain associated with them. When AIRS detects that cloud top temperatures have warmed, it means the heights of the thunderstorms has dropped, meaning there's not as much power or uplift in the convection.

AIRS imagery also showed a poorly-defined low-level center of circulation in TD14W, and some of that deep convection (or thunderstorms) are pushed away from the eastern side of the center. That indicates wind shear (winds that buffet a storm and push it apart). When a storm doesn't stack up, and when part of the storm is displaced from the rest of it, it loses its organization and punch. That's what wind shear does, and is doing to TD14W and that wind shear is blowing at about 28 mph!

At 5 a.m. EDT, October 5, Tropical Depression 14W had maximum sustained winds near 34 mph. It was located over Hainan Island near 19.5 North and 109.4 East. Its winds were creating 9-foot high seas. TD14W was moving north at 6 mph. It is expected to make a turn to the north-northeast, make a brief landfall in the mainland of southern China. Once there, it is forecast to move east, then east-southeast, making a half-circle and head toward the eastern end of Hainan Island and dissipate.

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

More articles from Earth Sciences:

nachricht New Study Will Help Find the Best Locations for Thermal Power Stations in Iceland
19.01.2017 | University of Gothenburg

nachricht Water - as the underlying driver of the Earth’s carbon cycle
17.01.2017 | Max-Planck-Institut für Biogeochemie

All articles from Earth Sciences >>>

The most recent press releases about innovation >>>

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

Im Focus: Quantum optical sensor for the first time tested in space – with a laser system from Berlin

For the first time ever, a cloud of ultra-cold atoms has been successfully created in space on board of a sounding rocket. The MAIUS mission demonstrates that quantum optical sensors can be operated even in harsh environments like space – a prerequi-site for finding answers to the most challenging questions of fundamental physics and an important innovation driver for everyday applications.

According to Albert Einstein's Equivalence Principle, all bodies are accelerated at the same rate by the Earth's gravity, regardless of their properties. This...

Im Focus: Traffic jam in empty space

New success for Konstanz physicists in studying the quantum vacuum

An important step towards a completely new experimental access to quantum physics has been made at University of Konstanz. The team of scientists headed by...

Im Focus: How gut bacteria can make us ill

HZI researchers decipher infection mechanisms of Yersinia and immune responses of the host

Yersiniae cause severe intestinal infections. Studies using Yersinia pseudotuberculosis as a model organism aim to elucidate the infection mechanisms of these...

Im Focus: Interfacial Superconductivity: Magnetic and superconducting order revealed simultaneously

Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.

While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...

Im Focus: Studying fundamental particles in materials

Laser-driving of semimetals allows creating novel quasiparticle states within condensed matter systems and switching between different states on ultrafast time scales

Studying properties of fundamental particles in condensed matter systems is a promising approach to quantum field theory. Quasiparticles offer the opportunity...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Sustainable Water use in Agriculture in Eastern Europe and Central Asia

19.01.2017 | Event News

12V, 48V, high-voltage – trends in E/E automotive architecture

10.01.2017 | Event News

2nd Conference on Non-Textual Information on 10 and 11 May 2017 in Hannover

09.01.2017 | Event News

 
Latest News

New technology for mass-production of complex molded composite components

23.01.2017 | Process Engineering

Quantum optical sensor for the first time tested in space – with a laser system from Berlin

23.01.2017 | Physics and Astronomy

The interactome of infected neural cells reveals new therapeutic targets for Zika

23.01.2017 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>