National Overview - August 2012
Divisional Maps & Hurricane Isaac Impacts on Drought

« National Overview - August 2012


Divisional Maps & Hurricane Isaac Impacts on Drought

This map shows where the summer 2012 temperatures were different from the 1981-2010 average across the contiguous United States. Shades of red indicate above-average temperatures and shades of blue indicate below-average temperatures. The darker the color, the more unusual the temperature difference.

This map shows the summer 2012 percent of average precipitation when compared to the 1981-2010 average. Shades of green indicate above-average precipitation and shades of brown indicate below-average precipitation. The darker the color, the more unusual the precpitation difference.

Below is a snapshot of the drought coverage, based on the U.S. Drought Monitor, during two different periods. The image on the left is prior to the landfall of Hurricane Isaac and the image on the right shows the drought coverage after Isaac and where the center of it tracked. These help illustrate how difficult it is to alleviate long term drought conditions even with a large, slow moving hurricane.