The National Weather Service in Gray provides weather, hydrologic, and climate forecasts and warnings for western Maine, New Hampshire, and adjacent waters for the protection of life and property and the enhancement of the national economy.
[1][2] The National Weather Service in Gray is responsible for observing equipment at Portland, Augusta, Wiscasset, and Fryeburg in Maine; and Concord, Manchester, Rochester, Lebanon, Berlin, Jaffrey, and Whitefield in New Hampshire.
The FAA or other organizations maintain the equipment in Lewiston-Auburn, Rockland, Waterville, Sanford, and Rangeley in Maine; and Laconia, Keene, Nashua, and Plymouth in New Hampshire.
[3] The site in Gray has a WSR-88D weather radar, part of the NEXRAD network, which Reflectivity/Doppler/dual polarization high resolution data cover an area of about 143 miles (230 km) around the station, or roughly the area of responsibility of the NWS Forecasting Office in Gray (long range reflectivity data cover about double of this).
[3][4] Colocated is a radiosonde facility from which a weather balloon is released twice daily to obtain temperature, humidity and winds in the troposphere above Maine.