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Fort Bend County
Office of Emergency Management


Drought and Heat Information

Posted August 12, 2011 10:06:06 AM CDT

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Keetch-Byram Drought Index (KBDI)

Keetch-Byram Drought Index (KBDI) is an index used to determining forest fire potential.

The drought index is based on a daily water balance, where a drought factor is balanced with precipitation and soil moisture (assumed to have a maximum storage capacity of 8-inches) and is expressed in hundredths of an inch of soil moisture depletion.

The drought index ranges from 0 to 800, where a drought index of 0 represents no moisture depletion, and an index of 800 represents absolutely dry conditions. 

For more information on the KBDI and current maps, visit Texas Weather Connection's Keetch-Byram Drought Index page.

You can also view a TAMU interactive map allowing you to zoom in to Fort Bend County.

Current KBDI 14 Day Outlook

KBDI Map showing Texas KBDI index by county. Currently Fort Bend County's KBDI is between 700-800.

 

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