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Plot Information:
USDM Drought Monitor: This layer is an image oerlay provided by teh University of Nebraska at Lincoln. For more information on the USDM products, please visit http://droughtmonitor.unl.edu.

CPC Outlooks: These layers are tile layer of climate data provided by the NOAA Climate Prediction Center that illustrate synotpic-to-intraseasonal forecasts of temperature and precipitation. According to their website, "A CPC forecaster creates the forecasted temperature and precipitation outlooks. Shading starts at 33%, with contours at 33%, 40%, 50%, 60%, 70%, 80% and 90%. The shaded areas in outlooks are of probabilities of above or below normal temperatures (above or below median precipitation). Any area not specifically colored on the map delineate areas where near normal conditions are favored. The forecast valid period is 6-10 days, 8-14 days, or for the next calendar month into the future."

GFS Precip Anomalies: These layers are precipitation anomalies for 7-day forecast precipitation from the NCEP GFS model computed by NOAA CPC. According to their website, anomalies are based on CPC unified precipitation analysis, and bias corrected by the 30-day trailing error. Production is done every day.