Office on the Move
November 1, 1870 - First observations taken from a window shelter on 5th avenue in downtown Pittsburgh
March 15, 1871 - June 1, 1871 - office located on 53 Grant Street
June 1, 1871 - July 1 1871 office located in the St. Claire Hotel (Penn Ave & 6th)
July 1, 1871 - October 1, 1886 office located in the 1st National Bank Building (5th Ave & Wood)
October 1, 1886 - June 1, 1892 office located in the Schmidt Building (95-97 5th Ave)
June 1, 1892 - June 24, 1904 office located in the U.S.C.H. & Post Office (Smithfield St, 3rd & 4th Ave)
June 24, 1904 - March 20, 1910 office located in the Farmers Bank Building (5th Ave & Wood St.)
March 20, 1910 - December 15, 1934 office located in the Oliver Building (Smithfield St, Oliver & 6th Ave)
December 15, 1934 - January 27 1965 office located in the Post Office & Federal Courts Building
January 27, 1965 - 1980 office located in the Federal Building (1000 Liberty Ave)
1980 - Present office located at 192 Shafer Road Moon Township.
Pittsburgh was included in the Signal Corps' original weather station network in 1870, operating in several locations downtown. The Weather Bureau took over on 7/1/1891, and moved the office to the federal courthouse the next year. It operated in a few more locations downtown afterward. An airport station was established in January 1931 at Bettis Airport, and moved to the Allegheny County Airport in 1932. Official observations were transferred to this location from the city office in 1935. A Flight Advisory Weather Service office was added in 1944. The airport station was relocated to the Greater Pittsburgh Airport in 1952, and began forecast operations. A WSR-1 radar was commissioned at this airport, and decommissioned 10/4/1963. Upper-air observations began in 1943, and were moved to a separate facility near Coraopolis in 1963, where a WSR-57 was commissioned 8/1/1966. The city office was moved to the Federal Building in 1965. A new facility near the upper-air site was built in 1979 to house the forecast operations, and surface observations at the airport continued as a contract meteorological observatory.
The Upper Ohio River Forecast Unit was established at the city office in 1962, including the Ohio River and tributaries above Dam 13 (McMechen, WV). It was upgraded to a full River Forecast Center in 1967, and remained operational until 1969. A mini-RFC was re-established in 1979 in response to major flood events (Hurricane Agnes in 1972, and the Johnstown Flood in 1977), and remained operational until the late 1980’s.
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