Hurricane Irene heads for the United States coastline

Aug 26 (Reuters) - President Barack Obama on Friday warned Americans to take Hurricane Irene seriously and urged them to obey orders to evacuate from the path of what is likely to be an "extremely dangerous and costly" storm.

"All indications point to this being a historic hurricane," Obama said in a statement to reporters from the farm where he is vacationing on this island off the Boston coast.

Fifty-five million people are potentially in Hurricane Irene's path, from the Carolinas to Cape Cod on the U.S. East Coast, and tens of thousands are evacuating as cities including New York brace for the powerful storm to hit.

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Track Hurricane Irene with your students! 

Use this graph: http://tinyurl.com/3u9375a 

and this site for the data: http://tinyurl.com/4xu452m. (Put cursor over dot for coordinates.)

Or try this:

Hurricane Student Booklet from NOAA.