A post for map geeks. How to turn an animation of a year's worth of daily rain maps into a single picture.

May_storm_totals
May 20, 2015

A record-setting day of rain in Oklahoma City caused widespread flooding in early May 2015. How rare was the event?

April 24, 2015

A weak high, a cut-off low, and rapid ocean warming conspired to dump torrential rains in Chile's Atacama Desert in late March 2015.

April 16, 2015

What happens when years' worth of rain falls in the Atacama Desert in one day? Tremendous flash flooding. 

April 7, 2015

With spring's arrival comes thoughts of severe weather and tornadoes. Except this year, tornadoes in March were well below normal, with little happening until the last week of the month. 

March 25, 2015

Uncommon atmospheric circumstances spawned a pair of tropical cyclones in the western Pacific—one on either side the equator, at nearly the same longitude, at nearly the same time. Why are twin cyclones more common during El Niño?

March 18, 2015

The extreme atmospheric pressure pattern that favored record-breaking snow totals across parts of the U.S. East left Alaskans asking, “Where’s winter?”

 

March 6, 2015

Government officials have already announced a potential water rationing program as well as expected blackouts to conserve electricity in case rains do not pick up. If they don’t, Brazil is almost certainly facing its driest back-to-back rainy seasons in at least 35 years.

February 24, 2015

A stalled atmospheric set-up has made Boston and surrounding areas in the Northeast the most popular truck stop for storms travelling the atmospheric highway known as the jet stream. And stop they have, like a caravan of tractor-trailers idling in a rest stop parking lot.

February 12, 2015

Deadly flooding has replaced the dry start to the 2014-2015 southern Africa monsoon, and the wet season has several months left go.

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