Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

NASA Sees Katia Become Second Atlantic Hurricane

02.09.2011
The second Atlantic Ocean Hurricane was born today, Sept. 1 as Katia strengthened from a tropical storm in the central Atlantic.

NASA's TRMM satellite noticed towering thunderstorms within Katia yesterday which clued forecasters that she would become a hurricane today. NASA's Aqua satellite showed strong thunderstorms around Katia's center today as the hurricane continues to strengthen.


TRMM captured a rainfall image of Tropical Storm Katia on August, 31, 2011 2:29 p.m. EDT. Yellow and green indicate rainfall between 20 and 40 millimeters (.78 to 1.57 inches) per hour. Dark red areas are considered heavy rainfall, as much as 50 mm (2 inches) of rain per hour. Credit: SSAI/NASA, Hal Pierce

The Tropical Rainfall Measuring Mission (TRMM) satellite can measure rainfall from its orbit high above the earth and provide heights of towering thunderstorms within a tropical cyclone. Yesterday, August 31, 2011 at 2:29 p.m. EDT (18:29 UTC) TRMM revealed several towering thunderstorms even in Katia's outer bands- that were about 6 miles (10 kilometers) high.

On September 1, the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite showed large areas of strong convection surrounding center. Convection is rapidly rising air that forms the thunderstorms that make up a tropical cyclone. The cloud top temperatures around Katia's center were colder than -63F (-52C) revealing that there's powerful uplift in the atmosphere to create high, cold clouds. AIRS also showed that the sea surface temperatures in the region are over the 80F (26.6C) threshold needed to maintain a tropical cyclone, so that the energy source for Katia remains plentiful and will enable her to strengthen over the weekend.

Katia is a now a Category one hurricane and is expected to bend north-northwest and miss the Leeward Islands. Maximum sustained winds are near 75 mph (120 kmh) with higher gusts, and some strengthening is forecast over the weekend. Katia is still a small storm about 250 miles wide, with hurricane force winds out to 25 miles from the center (35 km) and tropical storm force winds out to 125 miles (205 km).

The National Hurricane Center noted that Katia could become a major hurricane (Category three) over the weekend.

At 11 a.m. EDT on Sept. 1, Katia's center was still far from land. It was about 1050 miles (1,685 km) east of the Leeward Islands, near 15.5 North and 47.5 West. It was moving to the west-northwest near 18 mph (30 kmh) and is expected to slow down.

The National Hurricane Center said Katia is forecast to become a major hurricane on Sunday with winds over 111 mph. It will be between Puerto Rico and Bermuda so NASA will be watching it for the next week.

Text credit: Rob Gutro, NASA's Goddard Space Flight Center, Greenbelt, Md.

Rob Gutro | EurekAlert!
Further information:
http://www.nasa.gov
http://www.nasa.gov/mission_pages/hurricanes/archives/2011/h2011_Katia.html

All articles from Earth Sciences >>>

The most recent press releases about innovation >>>

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

Im Focus: It’s All in the Mix: Jülich Researchers are Developing Fast-Charging Solid-State Batteries

There are currently great hopes for solid-state batteries. They contain no liquid parts that could leak or catch fire. For this reason, they do not require cooling and are considered to be much safer, more reliable, and longer lasting than traditional lithium-ion batteries. Jülich scientists have now introduced a new concept that allows currents up to ten times greater during charging and discharging than previously described in the literature. The improvement was achieved by a “clever” choice of materials with a focus on consistently good compatibility. All components were made from phosphate compounds, which are well matched both chemically and mechanically.

The low current is considered one of the biggest hurdles in the development of solid-state batteries. It is the reason why the batteries take a relatively long...

Im Focus: Color effects from transparent 3D-printed nanostructures

New design tool automatically creates nanostructure 3D-print templates for user-given colors
Scientists present work at prestigious SIGGRAPH conference

Most of the objects we see are colored by pigments, but using pigments has disadvantages: such colors can fade, industrial pigments are often toxic, and...

Im Focus: Unraveling the nature of 'whistlers' from space in the lab

A new study sheds light on how ultralow frequency radio waves and plasmas interact

Scientists at the University of California, Los Angeles present new research on a curious cosmic phenomenon known as "whistlers" -- very low frequency packets...

Im Focus: New interactive machine learning tool makes car designs more aerodynamic

Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.

When engineers or designers want to test the aerodynamic properties of the newly designed shape of a car, airplane, or other object, they would normally model...

Im Focus: Robots as 'pump attendants': TU Graz develops robot-controlled rapid charging system for e-vehicles

Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.

Global demand for electric vehicles is forecast to rise sharply: by 2025, the number of new vehicle registrations is expected to reach 25 million per year....

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

LaserForum 2018 deals with 3D production of components

17.08.2018 | Event News

Within reach of the Universe

08.08.2018 | Event News

A journey through the history of microscopy – new exhibition opens at the MDC

27.07.2018 | Event News

 
Latest News

A materials scientist’s dream come true

21.08.2018 | Materials Sciences

Quantum bugs, meet your new swatter

20.08.2018 | Information Technology

A novel synthetic antibody enables conditional “protein knockdown” in vertebrates

20.08.2018 | Life Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>