variability should be
noted. It can mask or exaggerate a moderate long term trend for decades at a time.
The average temperature in Reykjavík was 5.5°C, 1.2°C above the 1961 to 1990 mean. In
Akureyri the average was 4.3°C, 1.1°C above the mean. The first three months of the year
were particularly warm as were July and August. No month was cold. At the individual
stations Surtsey off
/media/vedurstofan/utgafa/skylduskil/ved-eng-2012.pdf
to 36 km
(~7- 32 mi)
head2right ECHAM5 forcing
head2right CCSM3 forcing
(A1B and A2 scenarios)
HadRM
Resolution: 25 km
(~15 mi)
head2right HadCM3 forcing
Land-Atmosphere Interactions
Snow Cover Change Temperature Change
Change in winter temperature (degrees C)Change in fraction of days with snow cover
Wintertime Change from 1990s to 2050s
Salathé et al. 2008
Extreme Precipitation
Change from 1970
/media/ces/Lettenmaier_Dennis_CES_2010pdf.pdf
The weather was on the whole favourable, but less settled than during the previous three years. The temperature was above the 1961-1990 normal, about 0.7 to 0.9°C in most areas, but 0.3 to 0.6°C in the Southeast. The highest temperature of the year was measured at Burfell in the southern inland on 23 July, 25.9°C and the lowest at Kolka
/about-imo/news/2006
The weather was on the whole favourable, but less settled than during the previous three years. The temperature was above the 1961-1990 normal, about 0.7 to 0.9°C in most areas, but 0.3 to 0.6°C in the Southeast. The highest temperature of the year was measured at Burfell in the southern inland on 23 July, 25.9°C and the lowest at Kolka
/about-imo/news/nr/1207
14:52 14:55 04:39 04:45 930
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Samtals 04:39 04:45 930
Flugleið:
Flugskýrsla TF-SIF
18. ÁGÚST 2011
Flug nr. 10611.025
Texti:
Kl.1054 sést Green Atlantic c/s J7BD6 á AIS með stefnuna á Reyðarfjörð, skipið er ekki á skrá
yfir erlend skip sem við fáum frá TFB.
Kl.1059 kallað í Green Atlantic c/media/hafis/skyrslur_lhg/hafisskyrsla_18ag2011.pdf
on the
Shifts of climatic
zones from
cooler or wetter
to warmer or
drier
(a) 1971-2000 (b) 2010-39 A1B
observational data set
(0.25º grid) from Haylock
et al. (2008)
(b-d) Based on CMIP3
GCM runs for A1B
& the delta-change
method
(c) 2040-69 A1B (d) 2070-99 A1B
Jylhä et al. (2010)
Uncertainties in climate change schematically
Observed
climate
Future
climate Natural
/media/loftslag/Case_B___Road_transport_operation_and_infrastructure_planning.pdf
conditions. The summer was warm and considered fine in the North and East but in the south it was very wet and dull. The autumn was fine, November extraordinarily warm, but the year ended with an unruly and rather cold December.
Temperature
The year was very warm, +1.4 to +2.6°C above the 1961 to 1990 average. The lowest departure from normal was at Stórhöfði off the south coast, but the highest
/about-imo/news/nr/3082
In the
west it was very dry at the same time with favorable weather conditions. The summer was
warm and considered fine in the North and East but in the south it was very wet and dull. The
autumn was fine, November extraordinarily warm, but the year ended with an unruly and
rather cold December.
Temperature
The year was very warm, +1.4 to +2.6°C above the 1961 to 1990 average. The lowest
/media/vedurstofan/utgafa/skylduskil/ved-eng-2014.pdf
Vavrus et al. (2011) used simulations by NCAR’s
Community Climate System Model, version 4 (CCSM4), the study of Nawri and Björnsson
(2010) used various IPCC ensembles of GCMs simulations, and Koenigk et al. (2015) used
the Coupled Model Intercomparison Project, Phase 5 simulations (CMIP5).
According to Nawri and Björnsson (2010) the average temperature in Iceland will increase
by +0.2°C/media/vedurstofan-utgafa-2017/VI_2017_009.pdf