The 2009 North American Christmas blizzard was a powerful winter storm and severe weather event that affected the Midwestern United States,Great Plains,Southeastern United States,the Eastern Seaboard,and parts of Ontario. The storm began to develop on December 22 before intensifying to produce extreme winds and precipitation by the morning of December 24.[3] The storm's rapid development made it difficult for forecasters to predict.[3] The blizzard was reported to have claimed at least 21 lives,and disrupted air travel during the Christmas travel season.[4] In the Southeastern and Central United States,an outbreak of 28 tornadoes occurred between December 23–24.[5][6] The storm,a Category 5 "Extreme" one on the Regional Snowfall Index scale,was the first winter weather event to rank as such since the North American blizzard of 1996.
Snowfall varied across the United States. South Dakota likely received the most,with 30.8 inches (78cm).[1] In Minnesota,26 inches (66cm) was received near Pequaywan Lake on the state's North Shore.[7] Parts of Texas recorded snowfall as high as 9 inches (23cm) in Post.[1] Snowfall in Nebraska caused six deaths.[8] In Oklahoma,a state of emergency was declared after blizzard conditions killed 3 people and dropped 19 inches (48cm) of snow.[8]Iowa saw high snowfall as well.[9]
The storm was so intense that it wrapped warm air around the north and west side of it and cold air and snow blew in from the south. Rochester,Minnesota,in the northern half of the storm,saw rain with temperatures in the mid 30s Fahrenheit (~2°C) while snow was falling just to the west in a 1,300-mile (2,100km) band stretching from Canada south to at least Dallas,Texas,giving that region its first "White Christmas" since 1929.[10]I-29 was completely closed in North and South Dakota,and then in stretches into Missouri.[11][12]Will Rogers World Airport was also shut down.[13]
Rain
Heavy rain in parts of the Midwest prompted the National Weather Service to issue Flood Warnings for many areas. The maximum rainfall amount recorded was 6.89 inches (17.5cm) in Little Rock,Arkansas.[1] Freezing rain fell across Iowa and Illinois,affecting travel to and from O'Hare International Airport.[1] The Chicago area saw as much as ten inches of snow following the freezing rain and sleet.[14]
Tornado outbreak
Several houses were destroyed near Lafayette,Louisiana,possibly by a tornado. Near Longview,Texas an EF2tornado left a path of destruction nearly one mile long.[15] Another tornado near Lufkin,Texas produced EF3damage and caused two injuries.[16]
Numerous industrial buildings, including a FedEx building, were heavily damaged. Several houses were also damaged and significant tree damage along its path.[19]
Three buildings were destroyed, including a welding shop and a funeral home. Many houses sustained significant roof damage and tree damage was widespread, including in a park. Several 18-wheelers were also thrown. Two people were injured.[22]
At least 30 houses were damaged, primarily in a single subdivision that was especially hard hit where four houses were heavily damaged. The worst damage was a house that completely lost its roof. Four people were injured.[35]
Two structures were destroyed, a mobile home which rolled and an outbuilding which was thrown into a water tower, and over 50 others were damaged, some of them heavily.[43]
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