Coordination “Trigger” Values

 T/Td          5°  (7°  in complex terrain)
 PoP           20%
 Wx            Liquid/freezing/frozen
 Sky           25% (40% in complex terrain)
 Wind        10 kts/45° (15kts/90° in complex terrain)
 QPF         0.25/6 hr
 Snow        2 inches (only for homogenous situations)
 Free Air    15 kts/90°
 Snow Lvl    1000 ft.