Featured Research

from universities, journals, and other organizations

Hurricane Fallout: Finding Out How Much Rain Really Falls During Storms

Date:
September 21, 2006
Source:
NASA/Goddard Space Flight Center
Summary:
How can one know how much rain really falls over the path of a tropical storm or hurricane? This is a question that greatly interests meteorologists and hydrologists. On their behalf, and on behalf of the public which ultimately benefits from better observations of storms, NASA scientists are using satellite data from its rain gauge in space, the Tropical Rainfall Measuring Mission or "TRMM" to help provide these measurements.

This image shows the amount of rain that fell from Hurricane Ernesto from Aug. 24 to Sept. 1, 2006. The rainfall is accumulated within approximately 410 miles (a radius of 6 degrees) from the storm's center along the track. The track line is superimposed on the rainfall, with the storm intensity indicated by the color of the line.
Credit: Image courtesy of NASA/Goddard Space Flight Center

How can one know how much rain really falls over the path of a tropical storm or hurricane? This is a question that greatly interests meteorologists and hydrologists. On their behalf, and on behalf of the public which ultimately benefits from better observations of storms, NASA scientists are using satellite data from its rain gauge in space, the Tropical Rainfall Measuring Mission or “TRMM” to help provide these measurements.

Related Articles


TRMM, a joint mission between NASA and JAXA, the Japanese Space Agency, was launched in 1997 to study rainfall in the tropics. Since then, researchers and forecasters have found TRMM invaluable. TRMM has provided rainfall data in places that have no rain gauges, as well as lightning data and a never before seen 3-D look into storms. That 3-D capability has also led scientists to formulate a theory on "Hot Towers," or towering clouds that form in the eyewall of a hurricane.

Currently, scientists are using TRMM data to provide a complete picture of precipitation around the entire world. Goddard scientists Bob Adler and George Huffman are compiling this information using TRMM, as well as data from NASA’s Aqua satellite, a few Department of Defense satellites, a few National Oceanic and Atmospheric Administration polar-orbit satellites, and five international geostationary-orbit satellites. Polar orbiting satellites fly over the north and south poles. Geostationary satellites are those that orbit the Earth in a fixed position over the Equator.

This combination of satellite data allows Adler and Huffman to compute how much rain has fallen over three hour periods for most of the world, not including the upper northern and lower southern hemispheres. Huffman said "Data from TRMM are key to getting the complete picture of rainfall around the world, because of the satellite's high quality sensors and special orbit." Adler and Huffman take advantage of these attributes to adjust each of the other satellite data sets to TRMM's rainfall data.

NASA uses these TRMM Multi-satellite Precipitation Analysis data to create maps of rainfall accumulation along the tracks of hurricanes.


Story Source:

The above story is based on materials provided by NASA/Goddard Space Flight Center. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Goddard Space Flight Center. "Hurricane Fallout: Finding Out How Much Rain Really Falls During Storms." ScienceDaily. ScienceDaily, 21 September 2006. <www.sciencedaily.com/releases/2006/09/060920112034.htm>.
NASA/Goddard Space Flight Center. (2006, September 21). Hurricane Fallout: Finding Out How Much Rain Really Falls During Storms. ScienceDaily. Retrieved October 24, 2014 from www.sciencedaily.com/releases/2006/09/060920112034.htm
NASA/Goddard Space Flight Center. "Hurricane Fallout: Finding Out How Much Rain Really Falls During Storms." ScienceDaily. www.sciencedaily.com/releases/2006/09/060920112034.htm (accessed October 24, 2014).

Share This



More Earth & Climate News

Friday, October 24, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Dances With Wolves in China's Wild West

Dances With Wolves in China's Wild West

AFP (Oct. 23, 2014) One man is on a mission to boost the population of wolves in China's violence-wracked far west. The animal - symbol of the Uighur minority there - is under threat with a massive human resettlement program in the region. Duration: 00:41 Video provided by AFP
Powered by NewsLook.com
San Diego Zoo's White Rhinos Provide Hope for the Critically Endangered Species

San Diego Zoo's White Rhinos Provide Hope for the Critically Endangered Species

Reuters - Light News Video Online (Oct. 22, 2014) The pair of rare white northern rhinos bring hope for their species as only six remain in the world. Elly Park reports. Video provided by Reuters
Powered by NewsLook.com
Trick-or-Treating Banned Because of Polar Bears

Trick-or-Treating Banned Because of Polar Bears

Buzz60 (Oct. 21, 2014) Mother Nature is pulling a trick on the kids of Arviat, Canada. As Mara Montalbano (@maramontalbano) tells us, the effects of global warming caused the town to ban trick-or-treating this Halloween. Video provided by Buzz60
Powered by NewsLook.com
Traditional Farming Methods Gaining Ground in Mali

Traditional Farming Methods Gaining Ground in Mali

AFP (Oct. 20, 2014) He is leading a one man agricultural revolution in Mali - Oumar Diatabe uses traditional farming methods to get the most out of his land and is teaching others across the country how to do the same. Duration: 01:44 Video provided by AFP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins