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/about-imo/news/nr/1302
in Reykjavík
6.3.2013
As everyone is aware of, very bad weather is prevalent in all of the country. Reykjavík is unusually hard hit by winds and snow. Following is the weather forecast, issued at 15:58, but users of the web are advised to observe the frequently updated maps
/about-imo/news/nr/2665
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It
implies that any variable (e.g., annual stream-
flow or annual flood peak) has a time-invari-
ant (or 1-year–periodic) probability density
function (pdf), whose properties can be esti-
mated from the instrument record. Under sta-
tionarity, pdf estimation errors are acknowl-
edged, but have been assumed to be reducible
by additional observations, more efficient
estimators, or regional or paleohydrologic
/media/loftslag/Milly_etal-2008-Stationarity-dead-Science.pdf
in short-
term climate projections. In high latitudes, in particular, climate is characterized by large
interannual and interdecadal variability, which is difficult to predict in any detail even for the
near-term future 1 . The uncertainty associated with natural variability does not actually
decrease with time: even if there were no other uncertainties, it would still be at least as
difficult
/media/ces/raisanen_ruosteenoja_CES_D2.2.pdf
is intended to avoid. The strategy
to distribute the reduction in ice-covered area with elevation so that a predefined value for the
response time of the glaciers is maintained, as described in the previous section, should however
lead to a roughly realistic description of the most important feedbacks.
The strategy to use a single physically-based estimate for the response time for each glacier
group
/media/ces/ces-glacier-scaling-memo2009-01.pdf
AND USA PERSPECTIVES 75
change differ on a range of factors, including: the precise question (phrasing and
stimulus terms) posed to study participants; the timeframes of data collection and
publication; and the geographical extent of the studies. Furthermore, as with many
other environmental issues, the changing social context at any particular point in
time (e.g. the activities of interest groups
/media/loftslag/Lorenzoni_Pidgeon_2006.pdf
floods) are more common in Iceland than elsewhere in the world because of the interaction of volcanoes with glaciers.
The greatest jökulhlaups from the subglacial Katla volcano are among the largest floods that humans have witnessed. At their maximum, the discharge may be larger than the average discharge of the River Amazon.
Icelanders have learned to avoid the outwash plains of the most
/hydrology/articles/nr/2097
which, in Iceland, is defined to
begin on 1 September. Each one-year simulation is set up with a cold-start forecast ({BUILD-
yes}) on 31 August at 18 UTC, with a lead time of 6 hours ({LL-06}),
The initial conditions provided by ECMWF operational analyses introduce an unrealistically
high late-summer snow cover into the HARMONIE simulations. To avoid this, as well as asso-
ciated effects
/media/vedurstofan/utgafa/skyrslur/2014/VI_2014_005.pdf