Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

NASA's TRMM satellite sees very heavy rains in fading Tropical Storm Prapiroon

19.10.2012
Heavy rainfall returned to Typhoon Prapiroon for a brief time on Oct. 18 when NASA's TRMM satellite passed overhead. Prapiroon is battling strong wind shear and is expected to transition into an extra-tropical storm in the next day.

NASA's Tropical Rainfall Measuring Mission (TRMM) satellite captured rainfall data on Prapiroon twice on Oct. 18 when it passed overhead. The first orbit was at 0845UTC and the second at 1019 UTC. TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) data show that rain associated with Prapiroon was falling at a rate of over 75mm/hour (~3 inches) in a feeder band northwest of the center of circulation.


Prapiroon's winds had dropped to less than 35 knots (~40 mph) when the TRMM data were collected on Oct. 18. Despite the drop in wind speed, some powerful thunderstorms around Prapiroon's center were still reaching heights above 12 kilometers (~7.6 miles).

Credit: SSAI/NASA, Hal Pierce

Some of the rainfall occurring over Japan on Oct. 18 was being caused by a frontal system that was interacting with tropical Storm Prapiroon.

At NASA's Goddard Space Flight Center in Greenbelt, Md., Hal Pierce of the TRMM team created a 3-D image of the storm using TRMM PR data received with the 1019 UTC (6:19 a.m. EDT) orbit. Prapiroon was once a powerful typhoon with winds of 100 knots (~115 mph). Prapiroon's winds had dropped to less than 35 knots (~40 mph/65 kph) when the TRMM data were collected. Despite the drop in wind speed, some powerful thunderstorms around Prapiroon's center were still reaching heights above 12 kilometers (~7.6 miles).

By 1500 UTC on Oct. 18, Prapiroon's maximum sustained winds dropped near 35 knots (40 mph/65 kph). Tropical storm Prapiroon was, located approximately 325 nautical miles south-southwest of yokosuka, japan, near 30.9 North latitude and 138.9 East longitude. The storm has accelerated northeastward at 33 knots (38 mph/62 kph) .

Just five hours after the second TRMM satellite overpass, the Joint Typhoon Warning Center noted that "animated infrared satellite imagery showed deep central convection has unraveled and sheared north of the low level circulation center."

Prapiroon is undergoing transitioning while battling strong wind shear and is expected to become extra-tropical by Oct. 19.

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

More articles from Earth Sciences:

nachricht Scientists discover Earth's youngest banded iron formation in western China
12.07.2018 | University of Alberta

nachricht Drones survey African wildlife
11.07.2018 | Schweizerischer Nationalfonds SNF

All articles from Earth Sciences >>>

The most recent press releases about innovation >>>

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

Im Focus: First evidence on the source of extragalactic particles

For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.

To rule out other origins with certainty, the team led by neutrino physicist Elisa Resconi from the Technical University of Munich and multi-wavelength...

Im Focus: Magnetic vortices: Two independent magnetic skyrmion phases discovered in a single material

For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.

Whirlpools are an everyday experience in a bath tub: When the water is drained a circular vortex is formed. Typically, such whirls are rather stable. Similar...

Im Focus: Breaking the bond: To take part or not?

Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.

A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...

Im Focus: New 2D Spectroscopy Methods

Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.

"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....

Im Focus: Chemical reactions in the light of ultrashort X-ray pulses from free-electron lasers

Ultra-short, high-intensity X-ray flashes open the door to the foundations of chemical reactions. Free-electron lasers generate these kinds of pulses, but there is a catch: the pulses vary in duration and energy. An international research team has now presented a solution: Using a ring of 16 detectors and a circularly polarized laser beam, they can determine both factors with attosecond accuracy.

Free-electron lasers (FELs) generate extremely short and intense X-ray flashes. Researchers can use these flashes to resolve structures with diameters on the...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

Leading experts in Diabetes, Metabolism and Biomedical Engineering discuss Precision Medicine

13.07.2018 | Event News

Conference on Laser Polishing – LaP: Fine Tuning for Surfaces

12.07.2018 | Event News

11th European Wood-based Panel Symposium 2018: Meeting point for the wood-based materials industry

03.07.2018 | Event News

 
Latest News

Nano-kirigami: 'Paper-cut' provides model for 3D intelligent nanofabrication

16.07.2018 | Physics and Astronomy

New players, standardization and digitalization for more rail freight transport

16.07.2018 | Transportation and Logistics

Researchers discover natural product that could lead to new class of commercial herbicide

16.07.2018 | Agricultural and Forestry Science

VideoLinks
Science & Research
Overview of more VideoLinks >>>