Questions tagged [asos]

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23
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3answers
3k views

Why would ASOS have a caution for Low Density Altitude?

I did my initial training in a high altitude area, where it got pretty hot in the summer, so I'm not at all surprised when I hear an ASOS announce: Caution: Density Altitude (a few thousand above ...
12
votes
1answer
13k views

What is the difference between the various automated airport weather observing systems?

Automated airport weather observations can be produced by several types of equipment: AWOS-A, AWOS-1, AWOS-2, AWOS-3, and ASOS are the ones I've seen mentioned. What are the differences between these ...