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The Barrow Atmospheric Baseline Observatory (BRW), established in 1973, is located on the northern most point of the United States. It is about 8 km northeast of the village of Utqiaġvik (formerly Barrow) Alaska, and has a prevailing east-northeast wind off the Beaufort Sea. Although the measurements at BRW are made over open tundra, there are large lagoons and a number of lakes in the vicinity, and the Arctic Ocean is less than 3 km northwest of the site. Because of its proximity to these bodies of water and the fact that the prevailing winds are off the Beaufort Sea, BRW is perhaps best characterized as having an Arctic maritime climate affected by variations of weather and sea ice conditions in the Central Arctic.

This facility is staffed year round by 2 engineers/scientists to complete routine inspections and maintenance of the instruments. Due to its unique location, dedicated and highly trained staff, and excellent power and communications infrastructure, the Barrow Atmospheric Baseline Observatory is host to numerous cooperative research projects from around the world.

Current Weather Live Camera Construction Camera News Items
Examples of Data:
Carbon Dioxide at Barrow
Carbon Dioxide
Halon-1211 at Barrow
Meteorology Wind Rose for Barrow


  • Country: United States Country Flag
  • Latitude: 71.3230° North
  • Longitude: 156.6114° West
  • Elevation: 11.00 masl
  • Time Zone: Local Time + 9 hour(s) = UTC


  • Contact Name: Bryan Thomas
  • Address: Barrow Atmospheric Baseline Observatory
    P.O. Box 888
    Utqiaġvik, Alaska, 99723-0888, United States
  • Phone: (907) 852-6500
  • Fax: (907) 852-4622


Additional Information