In the north, heavy wet snow caused the loss of power for several thousands of homes in Ontario and Quebec.

The storm then moved out into the southern Plains States, bringing heavy snow to Colorado, Oklahoma, and Texas.

Heavy rain and severe thunderstorms, with hail, wind, and tornadoes, affected parts of Texas, Louisiana, Mississippi, Alabama, Georgia, Florida, and the Carolinas.

The lowest barometric pressure recorded was 968 millibars (28.58 in Hg), equivalent to that of a moderate Category 2 hurricane.

[1] The National Weather Service reported 7.57 inches (192 mm) of rain in Central Park by midnight of April 15, the second heaviest rainfall in 24 hours on record, and indicated that this storm caused the worst flooding since Hurricane Floyd in 1999.

[6] In the US over a quarter million homes lost power with New York and Pennsylvania being the hardest hit states due to the strong winds.

[12] High winds during the storm prevented emergency medical services from using helicopters for evacuation of the injured at the Virginia Tech massacre.