WATCHOUT NO.4
MOUNTAIN WIND WAVES

INDICATOR EVENTS

OBSERVED EVENT	PRIORITY OF REACTION
Lenticularis cloud in areas	Priority 3
Parallel bands of clouds, transverse to prevailing wind direction	Priority 3
Geostationary clouds (forming on leading edge, decaying on trailing edge)	Priority 3
Cloud Forms in convection column	?

RESULTANT RED FLAG WARNINGS

RED FLAG WARNING	INDICATION LEVEL	SIGNIFICANCE
2) Conditions conducive to plume-driven fire	Suggested	C
3) Passage of dry slot over fire	Suggested	C
5) Wind change	Suggested	B

DETAILED MATERIAL

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This material arises from work carried out by the HighFire Risk Project.

Material prepared by R. McRae September 2009.