Green Flag Heavy exercise for unacclimated personnel should be conducted with caution and under responsible supervision.
Buddy system is recommended.
Yellow Flag Strenuous exercise is limited to those acclimated 10 days or longer. All physical training should be halted for those who have not become thoroughly acclimated by at least 30 days of physical activity in this temperature. Those who are acclimated may carry on limited activity. All strenuous physical training should be halted. Heat rash or prickly heat is the appearance of slightly raised red bumps on the skin resulting from the skin s inability to dilate and constrict appropriately.