Contextualizing the Second International Polar Year Early Polar Aviation and Bergen School Meteorology Roger Turner University of Pennsylvania Polar Gateways.

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Presentation transcript:

Contextualizing the Second International Polar Year Early Polar Aviation and Bergen School Meteorology Roger Turner University of Pennsylvania Polar Gateways Arctic Circle Sunrise January 23, 2008

US National Weather Service Office, 1997 (Taunton, Massachusetts) Source: NWS (

Meteorology: A Global Science

Source: Amazon.com Appropriating the Weather

Source: Norwegian Museum of Science and Technology ( The Bergen School

Source: NOAA Central Library ( A Computational Science

The Spitsbergen School

Aviation and Geopolitics Frontispiece, The First Crossing of the Polar Sea, by Amundsen and Ellsworth (1926)

Aviation not yet robust

Was the Arctic good for flying? Source: Amundsen and Ellsworth, The First Crossing of the Polar Sea,

AeroArctic Postage Franking Source: John Dziadecki's website "Zeppelin" (

Wegener’s Grave and Propeller Sleds

The Spitsbergen School

Harald Sverdrup ( )

Sverre Petterssen ( )

Petterssen during WWII

Finn Malmgren ( )

Norge in flight Source: Amundsen and Ellsworth, The First Crossing of the Polar Sea,

Malmgren Memorial, Stockholm

Jorgen Holmboe ( )

Three Key Traits Experience living in the far north Passion for outdoor athletics Theoretical attention to the upper air

Petterssen’s Nordland Home Source: Fleming, Weathering the Storm

Capsized Nordlandsbåt Source: Fleming, Weathering the Storm

Amundsen Memorial in Svalbard

The Maud

Finn Malmgren Source: Fleming, Weathering the Storm Knut Knaus drew caricatures of several members of the Bergen School during the mid-1920s.

Petterssen at Tromsø, 1928 Source: Fleming, Weathering the Storm

Bergen Weather Office, 1918

The Air Mass Model of Cyclogenesis

IPY2 Commission, 1933 Source: Annals of the IGY, v. 1, p. 235 Harald Sverdrup

Launching a Radiosonde, 1936 Source: National Bureau of Standards (

The Spitsbergen School

The Weather Cadet Generation

Physics Leads Forecasting “It is clear that the ultimate goals of dynamic and synoptic meteorology can only be obtained simultaneously: the perfect forecaster would be the first man who could completely explain the physical behavior of the atmosphere, and vice versa. … [I]t is already clear that an understanding of the atmosphere in physical terms is absolutely essential for the synoptic meteorologist.” --Jorgen Holmboe, George Forsythe, and William Gustin, Dynamic Meteorology, 1945, p. 1.

Weather Cadet Generation in 1970