Early on July 15, Typhoon Rammasun began making landfall in the eastern part of the central Philippines and NASA's Aqua and TRMM satellites spotted the 20 nautical-mile-wide (23 mile/37 km) eye of the storm close to landfall.
Typhoon Rammasun was making landfall in the Visayas region. Visayas is located in the central Philippines.
TRMM satellite passed over Rammasun on July 15 at 12:10 a.m. EDT and found moderate rainfall (35 mm/1.4 in/hr) around the center and moderate to heavy rainfall (50 mm/2 in/hr) over the central and northern Philippines.
Image Credit: SSAI/NASA, Hal Pierce
The Tropical Rainfall Measuring Mission or TRMM satellite passed over Rammasun on Tuesday, July 15, 2014 at 04:10 UTC (12:10 a.m. EDT) and measured rainfall occurring throughout the storm.
TRMM found moderate rainfall (about 35 mm)/1.4 inches per hour) around the center of circulation and moderate to heavy rainfall (50 mm/2 inches per hour) over the central and northern Philippines in the western quadrant of Rammasun.
When NASA's Aqua satellite flew over Typhoon Rammasun on July 15 at 05:00 UTC (1 a.m. EDT) the Moderate Resolution Imaging Spectroradiometer instrument known as MODIS took a visible image of the storm.
The MODIS image showed Rammasun's eye just east of the Visayas region. Rammasun's clouds stretched over the entire country and west into the South China Sea.
Another instrument aboard Aqua took an infrared picture of Rammasun's cloud top temperatures. The Atmospheric Infrared Sounder gathered temperature data that showed cloud top temperatures exceeded -63F/-52C over the northern and central Philippines and in a band of thunderstorms southeast of the center of circulation over the Philippine Sea.
Cloud top temperatures that cold indicate cloud tops high into the troposphere with the potential to produce heavy rainfall. That heavy rainfall was confirmed by NASA's TRMM satellite measurement just 49 minutes earlier when that satellite passed over the Philippines.
On July 15 at 0900 UTC (5 a.m. EDT), Typhoon Rammasun's maximum sustained winds were near 100 knots (115.1 mph/185.2 kph). At that time the center of the storm was closing in on the island of Sorsogon, Philippines. It was centered near 13.2 north latitude and 124.1 east longitude, also about 236 nautical miles (271.6 miles/437.1 km) southeast of Manila. Rammasun is moving to the northwest at 9 knots (10.3 mph/16.6 kph) and is forecast to pass close to Manila early on July 16 (UTC).
The Joint Typhoon Warning Center forecasters expect Rammasun to weaken moving over the Philippines and then re-intensify after re-emerging over the South China Sea because of the warm sea surface temperatures there. Rammasun is expected to be a typhoon when it makes a second landfall over northern Hainan Island, China on July 18 before a final landfall in northern Vietnam.
Text credit: Rob Gutro
NASA's Goddard Space Flight Center
Rob Gutro | Eurek Alert!
Rapid plankton growth in ocean seen as sign of carbon dioxide loading
27.11.2015 | Johns Hopkins University
Revealing glacier flow with animated satellite images
26.11.2015 | European Geosciences Union
Planet Earth experienced a global climate shift in the late 1980s on an unprecedented scale, fuelled by anthropogenic warming and a volcanic eruption, according to new research published this week.
Scientists say that a major step change, or ‘regime shift’, in the Earth’s biophysical systems, from the upper atmosphere to the depths of the ocean and from...
The Fraunhofer Institute for Solar Energy Systems ISE has installed 70 photovoltaic modules on the outer façade of one of its lab buildings. The modules were...
Nerve cells cover their high energy demand with glucose and lactate. Scientists of the University of Zurich now provide new support for this. They show for the first time in the intact mouse brain evidence for an exchange of lactate between different brain cells. With this study they were able to confirm a 20-year old hypothesis.
In comparison to other organs, the human brain has the highest energy requirements. The supply of energy for nerve cells and the particular role of lactic acid...
In laser material processing, the simulation of processes has made great strides over the past few years. Today, the software can predict relatively well what will happen on the workpiece. Unfortunately, it is also highly complex and requires a lot of computing time. Thanks to clever simplification, experts from Fraunhofer ILT are now able to offer the first-ever simulation software that calculates processes in real time and also runs on tablet computers and smartphones. The fast software enables users to do without expensive experiments and to find optimum process parameters even more effectively.
Before now, the reliable simulation of laser processes was a job for experts. Armed with sophisticated software packages and after many hours on computer...
Researchers at Heidelberg University have devised a new way to study the phenomenon of magnetism. Using ultracold atoms at near absolute zero, they prepared a...
25.11.2015 | Event News
17.11.2015 | Event News
21.10.2015 | Event News
27.11.2015 | Press release
27.11.2015 | Life Sciences
27.11.2015 | Materials Sciences