Automated Surface Observing Systems (ASOS)

The ASOS program is a joint effort of the National Weather Service (NWS), the Federal Aviation Administration (FAA), and the Department of Defense (DoD). The ASOS systems serves as the nation’s primary surface weather observing network. ASOS is designed to support weather forecast activities and aviation operations and, at the same time, support the needs of the meteorological, hydrological,and climatological research communities. For complete details on the ASOS program, click here.

Our Electronic Systems Analyst and Electronic Technicians responsible for ASOS equipment maintenance.

• Sky condition:cloud height and amount (clear, scattered, broken, overcast) up to 12,000 feet   
• Visibility (to at least 10 statute miles)
• Basic present weather information: type and intensity for rain, snow, and freezing rain
• Obstructions to vision: fog, haze
• Pressure: sea-level pressure, altimeter setting
• Ambient temperature, dew point temperature
• Wind: direction, speed and character (gusts, squalls)
• Precipitation accumulation

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