National Weather Service United States Department of Commerce




Oct. 25, 1870 to May 29, 1871

Board of Underwriting Building
49 Wall Street NY, NY

May 29, 1871 to Mar. 15, 1895

Equitable Life Insurance Building 
120 Broadway NY, NY

Mar. 15, 1895 to Oct. 16, 1898

Manhattan Life Insurance Building
66 Broadway NY, NY

Oct. 16, 1898 to Apr. 30 , 1911

American Surety Building
100 Broadway NY, NY

May 1, 1911 to Dec. 27, 1960

Whitehall Building
17 Battery Place NY, NY

Dec. 28, 1960 to Oct. 24, 1993

RCA/GE Building
30 Rockefeller Center NY, NY
Mezzanine Level

Oct. 25, 1993 to Present

Brookhaven National Laboratory 
175 Brookhaven Ave, Building NWS #1
Upton, NY (Long Island)


On February 9, 1870 President Ulysses S. Grant...

signed a joined resolution of Congress authorizing the Secretary of War to establish a national weather service. This resolution required the Secretary of War.. "to provide for taking meteorological observations at the military stations in the interior of the continent and at other points in the States and Territories..and for giving notice on the northern (Great) Lakes and on the seacoast by magnetic telegraph and marine signals, of the approach and force of storms."




1870 to 1891

War Department
Signal Service U.S. Army

1892 to June 1940

Department of Agricultural
Weather Bureau

July 1940 to September 1970

Department of Commerce
Weather Bureau

October 1970 to Present

Department of Commerce
National Weather Service


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