Way back in May, in “Texas Drought 2011: State Endures Driest 7-Month Span On Record” (The Huffington Post, 05/ 9/11 07:00 PM ET), Betsy Blaney said:
That the drought is looming over the Southwest while floodwaters rise in the Midwest and South reflects a classic signature of the La Nina weather oscillation, a cooling of the central Pacific Ocean.
This year’s La Nina is the sixth-strongest in records dating back to 1949.
…
Houston has received only 1.5 inches in the last three months – just 15 percent of its normal amount and less than some parts of the Sahara desert get during the same period of time.