National Weather Service United States Department of Commerce

ASOS Equipment FAQ:

 

 

ASOS Equiment Sites is a tabbed spreadsheet that lists the following installed equipment by ASOS Site:

 

The data in this spreadsheet is provided “As Is” with no warranty or explanation beyond what is on this page.

  • Equipment types: (EQUIP)
  • Acquisition Control Unit - ACU (AACU)
  • Data Collection Package - DCP (ADCP)
  • Single Cabinet ASOS - SCA (ASCA)
  • Ceilometer - (ACL31)
  • Visibility - (AVIS)
  • Present Weather - (APWX)
  • All Weather Precipitation Accumulation Gauge - (AWPAG)
  • Freezing Rain Sensor - (AZR) 
  • Heated Tipping Bucket - (AHTB)
  • Anemometer - Ice Free Wind Sensor (AWMT-702/NWS-425)
  • Anemometer - Wind Tower Height
  • ASOS 2.0 - future ACU/DCP and SCA  
  • Air and Dew Point Temperature (1088/DTS-1/HMP-155)

Regions Key:

SR = Southern Region, ER = Eastern Region, CR = Central Region, WR= Western Region,  

AR = Alaska Region, & PR = Pacific Region.

 

Misc:

WFO =  Weather Forecast Office

EQSID = ICAO Site Identifier

 

Select the equipment TAB at the bottom of the sheet to view the different installed equipment by site. Use the Filter Dropdowns at each column header to refine your search.

 

Some of the questions that can be answered by this file are:

  • How many ASOS Sites are there?

  • Where are ASOS Sites located?

  • When was your ASOS site put into service?

  • How many ASOS sites are there in a particular State?

  • How many ASOS sites are there in each NWS Region?

  • How many ASOS sites are assigned to an NWS Weather Forecast Office?

  • Who owns your ASOS site?

  • Which ASOS sites have a freezing rain sensor installed?

  • Which ASOS sites have an ACU installed?

  • Which ASOS sites have a DCP installed?

  • Which ASOS sites have an SCA installed?

  • Which ASOS sites have a Ceilometer installed?

  • Which ASOS sites have a Visibility sensor installed?

  • Which ASOS sites have a Present Weather Sensors Installed?

  • Which ASOS sites have an AWPAG installed?

  • What is the diameter of the AWPAG Wind Screen at each ASOS site?

  • Which ASOS sites have a Heated Tipping Bucket installed?

  • Which ASOS sites have a temperature sensor installed?

  • Which ASOS sites have a dew point sensor installed?

  • Which ASOS sites have a temperature and humidity sensor installed?

  • Which sites have an anemometer installed?

  • What version of the Ice Free Wind Sensor is installed?

  • What is the height of the anemometer at each ASOS Site?