If you build along water fronts you are going to have storms that come in. It has been going on for thousands and thousands of years. This one happened to hit a heavily populated area. If you actually do a little research you can find worse storms. There was the Great Hurricane of 1780 that killed over 20,000 in the Caribbean. In 1900 Galveston, TX was hit with what we call category 4 hurricane today. Where the entire city of Galveston was destroyed and over 8000 lives lost.
God does not send storms or disasters on the earth. Since god knows all things ..past...present...future : he knows what will be going on at the time He comes back. So the signs we read about in matthew 24 are not that He sends them .... Its because He knows the future.