Fire Weather and the Oklahoma Fire Danger Model
Answer to Question 10
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Question 10. Look the the BI output on the afternoon of the 21st. In the western half of the state, there is a sharp difference in the BI values north and south of (about) I-40. The temperature, relative humidity and wind speed values don't change too dramatically in this area. Why is there such a sharp change?
 



 
 
Answer. The sharp change is due to the precipitation that has fallen south of I-40.


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