Final answer:
The ISO working a large wildland fire has likely established communication with the fire behaviorist and weather forecaster assigned to the incident. One important piece of information to be had from this communication is the humidity of the air. The primary reason is obvious. Lower humidity means increased fire spread.
Step-by-step explanation:
The ISO working a large wildland fire has likely established communication with the fire behaviorist and weather forecaster assigned to the incident. One important piece of information to be had from this communication is the humidity of the air. The primary reason is obvious. Lower humidity means increased fire spread.