Oklahoma Drought: February Rain, Snow Helping Unshrivel State

12% of the state was in the most severe drought category, D4 (exceptional drought), down from about 42% the week prior


"That's all you can do is sit and wait," McManus said.Drought classifications

D0: Abnormally dry. Area on watch for drought, likely to raise classification soon without rainfall.

D1: Moderate drought. First damages to crops, slowdown in pastures, water shortages start.

D2: Severe drought. Crop and pasture losses accelerate, water shortages and restrictions, burn bans start. Also triggers farm relief programs.

D3: Extreme drought. Long- and short-term precipitation shortage work together for crop and pasture damage and water shortages.

D4: Exceptional drought. Agricultural emergencies, widespread losses, a once-in-50-years drought event.

Source: Gary McManus, associate state climatologist, Oklahoma Climatological Survey

Tulsa precipitation, in inches

(departure from normal)

February 2013 3.18 (1.33)

January 2013 1.54 (-0.12)

December 2012 0.85 (-1.64)

November 2012 1.11 (-1.7)

October 2012 2.75 (-1.18)

September 2012 1.78 (-2.48)

August 2012 3.32 (0.42)

July 2012 1.38 (-1.98)

June 2012 4.29 (-0.43)

May 2012 1.18 (-4.69)

April 2012 3.62 (-0.17)

March 2012 6.24 (2.95)

February 2012 1.61 (-0.24)

Source: National Weather Service

Jerry Wofford 918-581-8310

jerry.wofford@tulsaworld.com

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