Texas Weather Connection

Derived Products

• Drought
  Drought occurs when the long-term regional balance between precipitation and evapotranspiration is lost.
  Products:
  • Keetch-Byram Drought Index (KBDI)
  • Texas Fire Danger (TFD)
  • Forecast Texas Fire Danger (TFD)
• Hydrology
  As precipitation descends, it may be intercepted and held in the vegetation canopy or fall to the soil surface.
  Products:
  • Runoff
  • Soil Moisture
  • Potential Evapotranspiration (PET)
  • AVHRR/NDVI