article_snippet.sent: An amazing map revealed by Nasa has shown where lightning occurs most on Earth.
article_snippet.sent: An amazing map revealed by Nasa reveals average yearly counts of lightning flashes per square kilometre from 1995 to 2013.
article_snippet.sent: A Nasa map shows the average yearly counts of lightning flashes per square kilometer from 1995 to 2013.
article_snippet.sent: Areas with the fewest number of flashes each year are grey and purple; areas with the largest number of lightning flashes - as many as 150 per year per square kilometer (0.4 square miles) - are bright pink.
article_snippet.sent: In A Nasa map, the areas with the largest number of flashes - up to 150 per year per square kilometre (0.4 square miles) - are shown in bright pink.
article_snippet.sent: This comparable Nasa map shows global lightning strikes from January 1998 to 2013 from the NASA/MSFC Lightning Imaging Sensor .
highlights_snippet.sent: A Nasa map has revealed which parts of the world experience the most flashes of lightning ever year .
  