ASOS

	Left: Haines Alaska ASOS, Photograph by Tom Burgdorf
	Right: A typical ASOS unit

ASOS Basics and Resources	ASOS Technical Info
What is ASOS?	Operations and Monitoring Center
ASOS User's Guide Change for Ice Pellets User's Guide Appendices If you have trouble viewing Table 4, and Figures 1, 18-19, see ASOS Charts	ASOS Tech News Page (restricted site)
	Surface Weather Information/ASOS
	ASOS Implementation
ASOS Sites (FAA)