Federal government struggles against cyberattacks

A $10 billion-a-year effort to protect sensitive government data, from military secrets to Social Security identification numbers, is struggling to keep pace with an increasing number of cyberattacks and is unwittingly being ...

Tornadoes occurring earlier in 'Tornado Alley'

Peak tornado activity in the central and southern Great Plains of the United States is occurring up to two weeks earlier than it did half a century ago, according to a new study whose findings could help states in "Tornado ...

Great Lakes become nearly covered with ice

From the bridge of the Coast Guard cutter Mackinaw, northern Lake Huron looks like a vast, snow-covered field dotted with ice slabs as big as boulders—a battleground for the icebreaker's 58-member crew during one of the ...

'La Nada' climate pattern lingers in the Pacific

(Phys.org) —New remote sensing data from NASA's Jason-2 satellite show near-normal sea-surface height conditions across the equatorial Pacific Ocean. This neutral, or "La Nada" event, has stubbornly persisted for 16 months, ...

Lake-effect snow sometimes needs mountains

University of Utah researchers ran computer simulations to show that the snow-producing "lake effect" isn't always enough to cause heavy snowfall, but that mountains or other surrounding topography sometimes are necessary ...

Deconstructing a mystery: What caused Snowmaggedon?

In the quiet after the storms, streets and cars had all but disappeared under piles of snow. The U.S. Postal Service suspended service for the first time in 30 years. Snow plows struggled to push the evidence off of major ...

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