The CPC 6- to 10-day outlook for January 3-7, 2012, call for above-normal temperatures across the western two-thirds of the U.S., while colder-than-normal weather will prevail in the East. Meanwhile, drier-than-normal conditions across the majority of the nation will contrast with near-normal precipitation in western Washington and from the lower Great Lakes region into New England.
Author: Brad Rippey, U.S. Department of Agriculture
D0 ... Abnormally Dry ... used for areas showing dryness but not yet in drought, or for areas recovering from drought.
Drought Intensity Categories
D1 ... Moderate Drought
D2 ... Severe Drought
D3 ... Extreme Drought
D4 ... Exceptional Drought
Drought or Dryness Types
S ... Short-Term, typically <6 months (e.g. agricultural, grasslands)
L ... Long-Term, typically >6 months (e.g. hydrology, ecology)