The climate in Norway

The climate in Northern Europe and in the Atlantic-Arctic sector is with its warm and generally ice-free waters with surface temperature departures from the zonal mean of 10-15 ºC in winter- time, a globally unique feature. The reason for this is mainly due to advection of heat by the atmosphere and the North Atlantic Drift system in the ocean. Cyclones are the main transporters of heat into the north Atlantic and variability and possible future changes are closely linked to changes in cyclone paths and numbers. In addition, cyclones are strongly related to extreme weather events both trough strong winds and the transport of moisture

STUDENTS WORKING IN THIS FIELD

REVIEWED PAPERS

A Diagnosis of Cold-core and Warm-core Cyclone Development Using the Zwack-Okossi Development Equation (2009)
Azad R. and Sorteberg A.
Submitted Atmospheric Science letters

Projected changes in Arctic summer cyclones under global warming in the Bergen climate model (2009)
Orsolini Y. J. and Sorteberg A.
Atmospheric and Oceanic Science Letters. Vol. 2, No 1, pp. 62-67.

Precipitation, Temperature and Wind in Norway - dynamical downscaling of ERA40 (2008)
Barstad I., Sorteberg A., Flatøy F. and Deque M.
Climate Dynamics , DOI 10.1007/s00382-008-0476-5

Seasonal Cyclone Variability at 70N and its Impact on Moisture transport into the Arctic (2008)
Sorteberg A. and Walsh J.
Tellus A, Vol. 60, Issue 3, pages 570-586

Clustering of cyclones in the ARPEGE general circulation model (2008)
Kvamstø N. G., Song Y., Seierstad I. A., Sorteberg A. and Stephenson D. B.
Tellus A, Vol. 60, Issue 3, pages 547-556

Climatological properties of summertime extra-tropical storm tracks in the Northern Hemisphere (2008)
Mesquita dos Santos M., Kvamstø N. G., Sorteberg A. and Atkinson D. E.
Tellus A, Vol. 60, Issue 3, pages 557-569.

Spatial and temporal variations of Norwegian geohazards in a changing climate, the GeoExtreme Project (2008)
C. Jaedicke, A. Solheim, L. H. Blikra, K. Stalsberg, A. Sorteberg, A. Aaheim, K. Kronholm, D. Vikhamar-Schuler, K. Isaksen, K. Sletten, K. Kristensen, I. Barstad, C. Melchiorre, Ø. A. Høydal, and H. Mestl
Nat. Hazards Earth System Sci., 8, 893-904

The Effect of Internal Variability om Antropoghenic Climate Projections (2006)
Sorteberg, A. and Kvamstø, N. G.,
Tellus A, Vol 58, Issue 5 p. 565-574.

Wintertime Nordic Seas cyclone variability and its impact on oceanic volume transport into the Nordic Seas (2005)
Sorteberg, A., Kvamstø, N.G. and Byrkjedal Ø.
The Nordic Seas: An integrated Perspective. AGU Geophysical Monograph Series 158. Editor: Drange H.

Interannual to Decadal Climate Predictability: A multi-Perfect-model-Ensemble Study (2006)
Collins M., Botzet M., Carril A., Drange H., Jouzeau A., Latif M., Otterå O. H., Pohlmann H., Sorteberg A., Sutton R. and Terray L.
Journal of Climate, Vol 19, No. 8 p. 1195-1203.

Description and Validation of the Bergen Climate Model: ARPEGE coupled with MICOM (2003)
Furevik, T ., Bentsen, M., Drange, H., Kindem, I.K.T., Kvamstø, N.G., and Sorteberg, A.
Climate Dynamics Vol. 21, p.27-51

REPORTS

Climate development in North Norway and the Svalbard region during 1900-2100 (2009)
E. J. Førland E. J. (ed), Benestad R. E, Flatøy F., Hanssen-Bauer I., Haugen J. E., Isaksen K., Sorteberg A. and, Aadlandsvik B.
Norwegian Polar Institute, Report series no. 128 pp. 44

Regional Precipitation and Temperature Changes for Norway 2010 and 2025 - Results from 11 simulations using 8 different regional models. (2008)
Sorteberg, A. and Andersen M. S.,
Report Series of the Bjerknes Centre for Climate Research. BCCR Report No 28.

Forecasting snow avalanche days from meteorological data using classification trees; Grasdalen, western Norway (2006)
Kronholm K., Vikhamar-Schuler D., Jaedicke C., Isaksen K., Sorteberg, A. and Kristensen K.,
Proceedings, International Snow Science Workshop, Telluride, Colorado, 2006.

Spectral nudging using a streched version of Arpege/IFS. Technical description (2006)
Barstad I., Sorteberg, A. and Flatøy F.,
GeoExtrem, General technical report, 1/2006.

Regional Uncertainties in Climate Projections due to Sensitivity to the Atlantic Meridional Overturning Circulation (2003)
Sorteberg A., Drange, H. and Kvamstø, N.G.
RegClim, General technical report, 7/2003, p.77-92.

Simulated influence of increased greenhouse gas forcing on the North Atlantic Oscillation (2002)
Sorteberg A., Furevik, T and Kvamstø, N.G., 2002
RegClim, General Technical Report, 6/2002.

Anticipated Changes in the Nordic Seas Marine Climate (2002)
Furevik, T., Drange, H. and Sorteberg, A.
Fisken og havet, 4/2002, pp 1-13.

PUBLIC OUTREACH

Hvor mye vil nedbøren øke i et varmere klima? (2008)
Sorteberg A. and N. G. Kvamstø
Klima No. 4 p 36-38

Opptil en meter havstigning langs Norskekysten innen år 2100 (2007)
Drange H., Marzeion B., Nesje A. and Sorteberg A.
Cicerone 2/07

Store naturlige klimavariasjoner også i framtiden. (2004)
Sorteberg, A. and Grønås S.
Cicerone, 4/04.

Store naturlige klimavariasjoner gir usikkerhet i Arktis (2004)
Sorteberg, A. and Grønås S.
Cicerone, 6/04.

Omfattende arbeid med bedre klimamodeller (2005)
Drange, H., Bentsen M., F. Flatøy, Furevik T., Kvamstø N. G., Kindem I. and Sorteberg A.
Cicerone, 2/05, pp 22-23.

Kombinasjon av to scenarier for 2030-2050: Ekstremene nedjusteres. (2003)
Iversen T., Haugen J.E., Sorteberg, A. and Ødegaard V.
Cicerone, 5/03 pp. 20-23.

Økt CO2 gir forandring i sirkulasjonsmønsteret over Europa (2002)
Sorteberg, A., Bentsen, M., Drange, H., Furevik, T., Kvamstø, N.G. and Kindem, I.K.T.
Cicerone, 3/02 pp 30-32.

Lovende resultater for nyutviklet klimamodell (2002)
Sorteberg, A., M. Bentsen, H. Drange, T. Furevik, I. K. T. Kindem and N. G. Kvamstø.
Cicerone, 2/02 pp 16-19.