Research HAARP (High frequency Active Auroral Research Program) and you'll have your answer. Same thing happens when whales beach themselves. HAARP screws with sonar and bee colonies have been dimensioning due to HAARP. Mad individuals control weather and they don't care who or what the harm!

http://www.denverpost.com/nationworld/ci_16998376

Now over 3,000 and let us blame fireworks.