Accessing data and maps
Moisture Balance Drought Index (MBDI) values and associated drought data are available in several forms, including for specific points or areas of interest and by watershed/river basin. This section also provides overview information, including graphics that can be useful in education and outreach efforts.
Spatial representations of drought conditions can be found using the links to the right. The Mapped Data page contains maps of MBDI values across the Colorado River Basin for different timeframes. The Area Coverage Data page includes tables of the area coverage of the different categories of drought for the Colorado River Basin and sub-basins with in Arizona. The page also includes the option of creating pie charts of the data.
Times series of MBDI data are also available. To get time series of MBDI data for a specific point or area of interest, go to the User-Defined Location link to the right. For a specific Arizona watershed, or sub-basin of the Colorado River Basin within Arizona, select the Arizona Watersheds option. Time series of data covering the past 15 years are available from the website. For data beyond what is provided on the website, click here.