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Get the Cambridge, MA local weather forecast by the hour and the next 10 days.
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The global models are run outwards to varying times into the future. The UKMET Unified Model is run six days into the future, [16] the European Centre for Medium-Range Weather Forecasts model is run out to 10 days into the future, [17] while the Global Forecast System model run by the Environmental Modeling Center is run 16 days into the future ...
These uncertainties limit forecast model accuracy to about six days into the future. [81] Edward Epstein recognized in 1969 that the atmosphere could not be completely described with a single forecast run due to inherent uncertainty, and proposed a stochastic dynamic model that produced means and variances for the state of the atmosphere. [82]
As an example, for a storm located 10,000 kilometres (6,200 mi) away, swells with a period T=15 s will arrive 10 days after the storm, followed by 14 s swells another 17 hours later. This dispersive arrivals of swells, long periods first with a reduction in the peak wave period over time, can be used to tell the distance at which swells were ...
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