Analysing the Winds of Tropical Storm Ana

Winds of Tropical Storm Ana

Ana is the first tropical storm of the North Atlantic hurricane season, in mid-May 2015. The storm made landfall along the Carolina coast, on May 10 and carried maximum sustained winds of 74 kilometers per hour (46 miles per hour).


By |May 19, 2015|Categories: Natural phenomena, Space|Tags: , , , , |

Cloudy Earth global map

Cloudy Earth global map (

A study based on 13 years of satellite data estimated that about 67 percent of Earth’s surface is typically covered by clouds.


By |May 11, 2015|Categories: Natural phenomena|Tags: , , |

Eastern U.S. in a record-breaking ‘Freezer’

Eastern U.S. in a record-breaking 'Freezer'

NASA’s Terra satellite captured this image of the snow-covered eastern U.S. that looks like the states have been sitting in a freezer.


By |February 24, 2015|Categories: Natural phenomena|Tags: , , , |

Saharan Dust over the Mediterranean Sea

Saharan Dust

In early February 2015, Greece and Turkey was pummeled by strong southwesterly winds. They also bring ashore a cloud of dust that originated in Africa’s Sahara Desert.


By |February 5, 2015|Categories: Natural phenomena|Tags: , , , |

Super Typhoon Vongfong

Typhoon Vongfong

Super Typhoon Vongfong in the Philippine Sea, captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument aboard NASA’s Aqua satellite, on Oct. 9, 2014 at 04:25 UTC (12:25 a.m. EDT).


By |October 11, 2014|Categories: Natural phenomena|Tags: , |

Tracing Aerosols


Scientists, forty years ago, began developing instruments that could monitor Earth’s ozone layer by observing how the atmosphere scattered certain wavelengths of ultraviolet (UV) light.


By |July 30, 2014|Categories: Technology news|Tags: , , |

Tropical Cyclone Cristina

Tropical Cyclone

Tropical Cyclone Cristina was churning over the eastern Pacific Ocean off the coast of Mexico, on June 12, 2014, when Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite, acquired this image.


By |June 16, 2014|Categories: Natural phenomena|Tags: |

Springtime in the Gulf of Alaska

Gulf of Alaska

Springtime brings increased sunlight, bursts of nutrients, and changing water conditions to the Gulf of Alaska. The combination promotes massive blooms of phytoplankton—microscopic, plant-like organisms that turn sunlight into food and then become fodder for some of the richest fisheries on the planet.


By |May 27, 2014|Categories: Natural phenomena|Tags: , |

Extratropical Cyclone over the United Kingdom

Extratropical Cyclone over the United Kingdom

Soggy winters are not unusual in the United Kingdom, but this winter has been in a category of its own. UK Met Office meteorologists had just declared January 2014 the wettest month on record for parts of southern Britain when another series of storms swept across the area in early February.


By |February 17, 2014|Categories: Natural phenomena|Tags: , |

Spiral of Plankton

Spiral of Plankton (2)

A plankton bloom acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite, off the coast of Australia.


By |January 15, 2014|Categories: Natural phenomena|Tags: , , |