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Tornadoes

Tornado damage on March 2, 2012

2012 Could Break Record for Fewest Torn...

There have been 888 twisters this year, compared to 1,691 in 2011.



Pollution

pagami-fire-noon-110915-02

Wildfire Smoke Plume Seen from Space

The plume-driven fire has burned in excess of 60,000 acres.



Miscellaneous

Georgia Tech graduate student Natasha DeLeon-Rodriguez shows agar plates on which bacteria taken from tropospheric air samples are growing.

Loads of Microbes Found High in Atmosph...

Some of the microbes appear to live high in the atmosphere.



News

Clouds created by the launch of the ATREX rocket mission

Glowing Clouds Created by NASA Rocket L...

ATREX mission aims to understand upper level jet stream.



Lightning

Lightning flash seen by the Suomi NPP satellite

Lightning Flash from Severe Storms Seen...

Flash came from storms sweeping across eastern U.S.



Weather

Record Crests at Midwest Rivers Flooding

Record Crests at Midwest Rivers; Floodi...

River flooding ongoing from Michigan to Tennessee has led to record crests along parts of several major rivers.



Hurricanes

Hurricane Sandy shakes the US like an earthquake

Rock You Like a Hurricane: Watch Sandy ...

Hurricane Sandy's powerful ocean waves sent tremors to the West Coast.



Atmosphere

Suomi NPP satellite nightglow over Texas and Oklahoma

Amazing Image: Eerie Nightglow Over Texas

NASA satellite catches nightglow rippling over Texas panhandle.



Clouds

Cirrus clouds

Water Leaking Into Stratosphere Could H...

More water than expected enters stratosphere, where it's a potent greenhouse gas.



El Nino and La Nina

Heat in the ocean, 2011

Extreme Weather 2011: What Fueled Clima...

Extreme events expected more often in a warming world.



Seasons

fall-foliage-mixed-leaves

Welcome Fall! Autumn Equinox Is Saturday

Fall begins at exactly 6:49 a.m. EDT on Sept. 22.