Over 2500 lightning over the Colorado sparkle within half an hour

The state of Colorado is the power of a strong storm, U.S. media reported Tuesday. Meteorologists only within half an hour recorded in the sky over 2,500 lightning.
In the state capital, Denver, as a result of storm closed all educational institutions and offices of companies. Denver International Airport (Denver International Airport) are canceled at least 20 flights.
Bad weather also caused power outages in the state. In mountainous areas, as expected, snow precipitation may fall up to 50 cm.