Oklahoma weather history, Feb. 10, 2009 and Feb. 10, 2011, National Weather Service, Norman

Daily Historical Weather for February 10

On February 10th, 2009, a deadly tornado struck Jefferson, Love, and Carter counties in southern Oklahoma. The tornado appeared to reach its maximum width and intensity as it approached and moved through the town of Lone Grove. Eight people were killed by this tornado, and 46 were injured. Six of the fatalities occurred in mobile homes; one occurred in a well-built home that sustained EF4 damage, and one person died in a vehicle. At least 114 homes were damaged or destroyed, with at least 3500 losing power in and around Carter County. Debris from this tornado was picked up as far away as Sulphur. The EF4 tornado went on record as the deadliest tornado in February for the state of Oklahoma and the deadliest day for the United States for 2009.

A deep snow pack, combined with clear skies and light winds can lead to very cold overnight temperatures. Keeping with the theme of extremes during the 2011 winter, the low temperatures on the 10th were nothing short of frigid, with numerous low temperature records set, some of them all-time record low. Before midnight on the 9th, some locations across far northern Oklahoma reported temperatures below -10 degrees Fahrenheit. By 7:30 AM on the 10th, a wide area of -10 to -15 degree temperature was being reported over the northern-third of Oklahoma. A few of those sites were even below -20 degrees. Nowata broke the all-time low record for the state of Oklahoma, falling to -31 degrees. The second best was Pryor and Bartlesville, falling to -28 degrees. Blackwell and Medford were not far behind at -27 degrees. Oklahoma City saw the temperature fall to -5 degrees, breaking their daily record by 9 degrees. Wichita Falls, Texas reached their record low temperature, although they remained slightly above zero. The temperature of 3 degrees broke the previous record of 5 degrees.

Source: National Weather Service, Norman

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