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February 2012 - Report and Summary

by Robert K. Peters, Ph.D. - National Weather Service Cooperating Observer

The drought, which commenced in July 2010, was alleviated slight in January and February 2012 as near normal rainfall occurred.

Otherwise, February 2012 was warmer than normal as the LaNina pattern persisted in the Equatorial Pacific Ocean.

The month was 4.7 deg. Warmer than February 2011, and 1.48 inches wetter. Year-to-date rainfall through month's end was 0.29 inch less in 2012 than in 2011. Reflecting the continuance of the drought, 12-month rainfall was nearly seven inches for the period ending February 29, 2012 than for the same period last year.

The thirty-day outlook had called for above normal temperatures and below normal precipitation.

The month began mild and dry. Storm systems crossing on the 3rd and 6th brought rainfall.

Cooler air arrived on the 4th, with a reinforcing cold front on the 7th. This latter finally brought temperatures back to slightly below normal levels These persisted until a brief warm-up between the 15th and 17th. Weak systems on the 10th and 13th brought light to moderate rainfall.

Then came the very wet storm of the 17th and 18th. It brought between one and four inches of rainfall to the region.

Near to below normal temperatures were in the area between the 18th and 21st, followed by a warm-up through the 23rd, a cool-down through the 26th, and then a warm-up through the end of the month.

Weak storm systems on the 21st and 29th brought light rainfall.

The reporting period for temperatures and phenomenon on each day is for the twenty-four hours ending at midnight hours GMT--6 p.m. CST and 7 p.m. CDT. The reporting period for precipitation is for the twenty-four hours ending at noon GMT--6 a.m. CST and 7 a.m. CDT. All times are given using the twenty-four hour clock, and are expressed in Greenwich Mean Time.

Observations are from NWS Station 41/9207/4 in Tyler, Texas. The term "normal" refers to averages from the standard climatic period 1971-2000.

February 2012



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