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Drought Indices
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     Index (SPI)
       • Monitoring
          • U.S.
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       • Prediction
          • U.S.
          • Global
   • Palmer Drought
     Indices (PDSI)

   • Crop Moisture

   • Soil Moisture
     (based on NLDAS)

   • Standardized
     Runoff Index
     (based on NLDAS)

   • Integrated
     Drought Index
     (based on NLDAS)


Surface Temperature
   • Maximum/Minimum
   • Mean

Surface Hydrology
(based on NLDAS)

   • Total Soil Moisture
   • Total SM Change
   • MOSAIC Soil
     Moisture Profile

   • NOAH Soil
     Moisture Profile

   • NOAH Soil T Profile
   • Evaporation
   • E-P
   • Runoff
   • Snow Cover
   • Snow Water Equiv.
   • Drought Mean

Soil Moisture
     (based on leaky
       bucket model)

Topsoil Moisture
     (based on USDA)

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HOME > U.S. Drought > Drought Indices: Soil Moisture Percentiles

Drought Indices
Soil Moisture Percentiles
Recent Analyses
Topo Map
Soil Moisture Percentile Ensemble
Soil Moisture Percentile Mosaic
Soil Moisture Percentile NOAH
Soil Moisture Percentile SAC
Soil Moisture Percentile VIC
Notes about this product:
  • Drought classification: D1 10-20%; D2 5-10%; D3 2-5%; D4 less than 2%;
  • Data source: North American Land Data Assimilation System (NLDAS)
  • GeoTIFF: Undefined value is -999.
Related Links:
Contacts: Kingtse Mo ( & Li Xu (

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NOAA Center for Weather and Climate Prediction
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Page Author: Climate Prediction Center Internet Team
Page last modified: Aug 19, 2016
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