Largest threat with this first U.S. autumn cold front will be wind gusts exceeding 60 miles per hour with possible tornadoes as storms push through the region.
Sea ice in the Arctic in 2012 already appeared to be heading for a new record low. Then in early August, a long-lasting and powerful storm pushed through the Arctic.
Hurricane Isaac made landfall in southeast Louisiana, in Plaquemines Parish, near the mouth of the Mississippi River. Maximum sustained winds 80 miles per hour.
Tropical Storm Isaac is expected to make landfall late Tuesday or Wednesday, which is the anniversary of Hurricane Katrina in 2005. It's a much weaker storm.
Everyone from Houston, Texas east to Tallahassee, Florida should watch Isaac closely. Hurricane Watch issued for part of northern Gulf of Mexico coast.
July 2012 was the fourth straight month in which the Northern Hemisphere set a new monthly land temperature record. It was the fourth-warmest July globally.
A look around of the global tropical cyclone activity. Only immediate threat for now is across southeast China as Tropical Storm Kai-tak pushes to the northwest.
Matt Daniel is Meteorologist for WBRC in Birmingham, Alabama. A self-described "big weather and music geek," Matt has a passion for helping to keep people safe when severe weather strikes and says if you don't have a NOAA Weather Radio ... you should get one.