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Top Stories Archive 15

The Antarctic ozone hole on Sept. 24, 2006, depicted in blue and purple, was equal in size to the largest single-day area of 11.4 million square miles on record, previously reached on Sept. 9, 2000.
NASA Keeps Eye on Ozone Layer Amid Montreal Protocol’s Success
NASA scientists will join researchers from around the world to celebrate the 20th anniversary of the Montreal Protocol.
TRMM's Microwave Imager collected data as the satellite passed over the center of Hurricane Rita and lightning strike locations (circles) on Sept. 21, 2005.
New Faraway Sensors Warn of Emerging Hurricane's Strength
By monitoring the lightning near a hurricane’s eye, scientists will be able to improve their forecasts of a storm's intensity.
During the 2005 drought in the Amazon, intact primary forest showed an increase in photosynthetic activity despite below-average rainfall
NASA Study Predicts More Severe Storms With Global Warming
A team of scientists using two NASA satellites has shown that one of the worst droughts in decades could not stop the Amazon forest from "greening up."
During the 2005 drought in the Amazon, intact primary forest showed an increase in photosynthetic activity despite below-average rainfall
NASA Satellites Eye Coastal Water Quality
Researchers have invented a way to map the fleeting changes in coastal water quality from space.
AIRS image of Hurricane Dean
A NASA Satellite Captured the Life and Death of Hurricane Dean
The Atmospheric Infrared Sounder on NASA's Aqua satellite captured this series of infrared images of Hurricane Dean from August 17-23, 2007.
Still from animation showing rainfall trends.
Long-Term Increase in Rainfall Seen in Tropics
NASA has detected the first signs that tropical rainfall is on the rise.
Still from animation showing rainfall trends.
NASA Web Page, Video Gives Educators An In-Depth Look At Hurricanes
Educators will have the opportunity to bring a hurricane expert into their classroom with the release of a new NASA web page and video.
MODIS Image of the Montana and Idaho wildfires
Billowing Smoke Blankets Montana and Idaho
Thick smoke, billowing from dozens of wildfires throughout Montana and Idaho, blanketed the landscape on Sunday, August 12, 2007.
Soil moisture imagery observed using the CU Polarimetric Scanning Radiometer on the NASA P-3B on July 3 over flood-prone areas of Texas. The imagery was delivered to the Texas Office of Emergency management for flood relief planning within less than 24 hours time from observation. Soil saturation in flood-prone regions near San Antonio, south of Austin, and northwest of Corpus Christi are seen here in darker blue.
NASA Helps Texas Respond to Most Widespread Flooding in 50 Years
On July 3, a NASA aircraft equipped with a state-of-the-art sensor provided emergency response officials with critical soil moisture data for several regions across Texas that were threatened by flooding.
A field in the wet season
NASA Researchers Find Satellite Data Can Warn of Famine
Molly Brown of NASA's Goddard Space Flight Center in Greenbelt, Md., and her colleagues created a model using data from satellite remote sensing of crop growth and food prices.
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