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See caption leftSee caption right
Left: ASOS Sensor
Group: Sunrise
in Salinas, CA (SNS)



Right: ASOS on NWS Headquarters roof
in Silver Spring, MD

Where to Start

Installations
Software Updates

Where Else to Go

What is ASOS?
What Does ASOS do?

ASOS User's Guide, 3/98
Change for Ice Pellets, 10/98 
User's Guide Appendices, 3/98.
If you have trouble viewing Table 4, and Figures 1, 18-19, see 
ASOS Charts. PDF
To read these PDF files, you need Adobe Reader. 

Dew Point Temperature Sensor
All-Weather Precipitation Accumulation Gauge History of ASOS Growth

ASOS Product Improvements:
Policy Directive

 ASOS Tech News Page
(restricted site)
Freezing Drizzle Algorithm Dev
 ASOS data via FTP
Ice Accretion Algorithm Dev
Computing Magnetic Wind Direction ASOS Station Information

Trainer's Tool Kit

US, International Code Change For Ice Pellets
Photos and Sensor Information
  Blowing Snow (BLSN) Algorithm
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Publications, Get Weather Information, NWS Partners, Contact Us

NOAA, National Weather Service
1325 East West Highway
Silver Spring, MD 20910
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