Three-Month Standardized Precipitation Index Outlooks
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HOME > U.S. Drought > Drought Indices: Standardized Precipitation Index > Drought Indices: Standardized Precipitation Index Outlooks

Drought Indices
Standardized Precipitation Index Outlooks
ICs: 1-5Oct2014
Topo Map
SPI 3 month Ensemble Standardized Precipitation Index Outlook Lead 1
SPI 3 month CFSv2 Standardized Precipitation Index Outlook Lead 1
SPI 3 month GFDL Standardized Precipitation Index Outlook Lead 1
SPI 3 month NASA Standardized Precipitation Index Outlook Lead 1
SPI 3 month NCAR Standardized Precipitation Index Outlook Lead 1
SPI 3 month CMC1 Standardized Precipitation Index Outlook Lead 1
SPI 3 month CMC2 Standardized Precipitation Index Outlook Lead 1
SPI 3 month Ensemble Standardized Precipitation Index Outlook Lead 2
SPI 3 month CFSv2 Standardized Precipitation Index Outlook Lead 2
SPI 3 month GFDL Standardized Precipitation Index Outlook Lead 2
SPI 3 month NASA Standardized Precipitation Index Outlook Lead 2
SPI 3 month NCAR Standardized Precipitation Index Outlook Lead 2
SPI 3 month CMC1 Standardized Precipitation Index Outlook Lead 2
SPI 3 month CMC2 Standardized Precipitation Index Outlook Lead 2
Boundaries
Rivers
Legend
Month-1 Forecasts:                
Month-2 Forecasts:
Notes about this product:
  • Drought classification: D1 -0.8 > SPI > -1.2; D2 -1.3 > SPI > -1.5; D3 -1.6 > SPI > -1.8; and D4 SPI < -2
  • Data Source: National Multi-Model Ensemble (NMME)
  • GeoTIFF: Undefined value is -999.
  • Month-1 forecasts are monthly-mean forecasts for the month the same as the initial conditions (ICs). Month-2 forecasts are monthly-mean forecasts for the month after the ICs. For example, for ICs of 1-5 Jan 2013, month-1 forecasts are monthly-mean forecasts for Jan 2013 and month-2 forecasts are forecasts for Feb 2013.
Related Links:
Contacts: Kingtse Mo (Kingtse.Mo@noaa.gov) & Li-Chuan Chen (lichuan.chen@noaa.gov)



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Page last modified: January 16, 2014
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