wood rafter design using wfcm

huangyhg

wood rafter design using wfcm
i use the wood frame construction manual (wfcm) as a design resource when designing residential houses.  my question pertains to the rafter span tables.  how do these tables account for wind?  there are some span tables that include a ground snow load but none that include wind loads.  thanks for any input.  
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go to the afpa web site.  they have some new publications for use in high wind zones.