Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


NASA gets 2 infrared views of tropical storms Nadine, Oscar

NASA's Aqua satellite provided two different infrared views of the two tropical storms swirling in the Atlantic Ocean. Oscar is battling wind shear that appears destined to tear it apart, while Nadine is merging with a cold front.

NASA's Aqua satellite passed over both Tropical Storm Nadine and Tropical Depression 15 (TD15) on Oct. 3 at 1553 UTC (11:53 a.m. EDT), before TD15 became Tropical Storm Oscar. While overhead, the Atmospheric Infrared Sounder (AIRS) instrument aboard Aqua captured two different images of both storms. One image was near infrared and almost visible light, while the other was infrared.

NASA's Aqua satellite passed over both Tropical Storm Nadine and Tropical Storm Oscar on Oct. 3 at 1553 UTC (11:53 a.m. EDT) and captured a near infrared (almost visible) (left) and infrared image (right) of both storms. A cold front (top left) is expected to merge with Nadine.

Credit: NASA JPL, Ed Olsen

The near infrared image on Oct. 3 provided a look at the cloud cover and the cloud top temperatures as well as the sea surface temperatures. Most of the strongest thunderstorms were identified in infrared imagery by the coldest cloud top temperatures (meaning that they are higher in the atmosphere where temperatures are colder). Strongest storms in Oscar were located east of the center of circulation. That's because wind shear was pushing them away from the center, and that wind shear would continue to batter the storm again on Oct. 4.

Nadine wasn't even showing any high, powerful thunderstorms. Although the circulation of Nadine could be seen on the near-infrared, almost visible image, there were no strong storms around the circulation center.

Tropical Storm Oscar Stretching Out

Tropical Depression 15 strengthened into Tropical Storm Oscar at 11 p.m. EDT on Oct. 3, 2012. On Oct. 4, Oscar's maximum sustained winds were near 40 mph (65 kph). The National Hurricane Center doesn't expect much change in Oscar in the near term, before things get worse for the storm. Oscar's center was 1,245 miles 2,005 km west-northwest of the Cape Verde Islands, near latitude 20.0 North and longitude 42.5 West. Oscar is moving toward the north-northwest near 9 mph (kph) and is expected to turn north, followed by a turn to the northeast on Oct. 5.

Infrared imagery showed that although strong convection and thunderstorms have increased in intensity and coverage during the morning on Oct. 4, the bulk of them are east of the center because of westerly wind shear between 15 and 20 knots. The storm was not symmetric as a result of the wind shear. A storm needs to be symmetric to strengthen, and the wind shear is preventing that from occurring. As a result, the National Hurricane Center expects Oscar to become an open trough (elongated area) of low pressure by late Friday, Oct. 5.

Tropical Storm Nadine Being Chased by a Cold Front

Tropical Storm Nadine is becoming associated with a nearby cold front that appeared on near-infrared and infrared imagery as a strong wedge of clouds with cold cloud top temperatures. That front was moving toward Nadine from the northwest.

In the meantime, a Tropical Storm Warning for the Azores was still in effect. At 8 a.m. EDT on Oct. 4, Tropical Storm Nadine had maximum sustained winds near 45 mph (75 kph). Nadine was located near latitude 39.0 North and longitude 27.2 West, just 20 miles (30 km) north-northwest of Lajes in the Azores. Nadine is moving to the northeast at 23 mph (37kph) and is losing tropical characteristics. The National Hurricane Center expects Nadine to become post-tropical later in the day, on Oct. 4, Thursday.

Rob Gutro | EurekAlert!
Further information:

More articles from Earth Sciences:

nachricht Receding glaciers in Bolivia leave communities at risk
20.10.2016 | European Geosciences Union

nachricht UM researchers study vast carbon residue of ocean life
19.10.2016 | University of Miami Rosenstiel School of Marine & Atmospheric Science

All articles from Earth Sciences >>>

The most recent press releases about innovation >>>

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

Im Focus: New 3-D wiring technique brings scalable quantum computers closer to reality

Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.

"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...

Im Focus: Scientists develop a semiconductor nanocomposite material that moves in response to light

In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.

A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...

Im Focus: Diamonds aren't forever: Sandia, Harvard team create first quantum computer bridge

By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.

"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...

Im Focus: New Products - Highlights of COMPAMED 2016

COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.

In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...

Im Focus: Ultra-thin ferroelectric material for next-generation electronics

'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.

Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...

All Focus news of the innovation-report >>>



Event News

#IC2S2: When Social Science meets Computer Science - GESIS will host the IC2S2 conference 2017

14.10.2016 | Event News

Agricultural Trade Developments and Potentials in Central Asia and the South Caucasus

14.10.2016 | Event News

World Health Summit – Day Three: A Call to Action

12.10.2016 | Event News

Latest News

Resolving the mystery of preeclampsia

21.10.2016 | Health and Medicine

Stanford researchers create new special-purpose computer that may someday save us billions

21.10.2016 | Information Technology

From ancient fossils to future cars

21.10.2016 | Materials Sciences

More VideoLinks >>>