A large winter storm, dubbed the Groundhog Day Blizzard, walloped the US from mid-section to Northeast with up to 2 feet of snow. The blizzard killed 36 and losses topped $1.8 billion.

An outbreak of 81 tornadoes tore across the central U.S. and turned to wind and hail as the storms traveled southeast. At least three people died and damages topped $1.3 billion.

An outbreak of 180 tornadoes in the Midwest killed at least 177 people. The EF-5 tornado that struck Joplin, Mo., was the deadliest tornado to strike the U.S. since records have been kept. Damages totaled $9.1 billion.

Two swarms of tornadoes, more than 100 in all, killed 9 people and caused losses of $5 billion in the Midwest and Southeast

An outbreak of 343 tornadoes in the Midwest and Southeast caused 321 deaths - 240 in Alabama alone. Damages topped $10 billion, including the cities of Tuscaloosa, Birmingham, and Huntsville in Alabama and Chattanooga in Tennessee.

177 tornadoes killed 38 people in the Central and Southeast, most of them in North Carolina. Losses totaled $2.1 billion.

An outbreak of tornadoes, hail, and high wind caused damage east of the Rockies and across the central Plains. Two people died and losses exceeded $1 billion.

Drought and excessive heat baked Texas, Oklahoma, New Mexico, Arizona, Kansas and Louisiana. Direct losses to crops, livestock and timber neared $10 billion.

Heavy snow pack from the Rocky Mountains swelled the Missouri and Souris Rivers beyond their banks across the upper Midwest. At least five people died, and 11,000 people evacuated Minot, N.D. Losses topped $2 billion.

Rainfall and snowmelt caused historic flooding along the Mississippi River and its tributaries. Estimated economic losses ranged from $3–4 billion.

Hurricane Irene first struck the U.S. as a Category 1 hurricane in North Carolina, then moved north along the eastern seaboard as a tropical storm. At least 45 died. 7 million homes and businesses lost power and damages topped $7.3 billion.

Tropical Storm Lee killed 21 and caused damages over $1 billion with winds and floods that sacked the South and then reached across the Mid-Atlantic and Northeast.