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Old 04-11-2013, 01:25 PM
nei nei started this thread nei won $500 in our forum's Most Engaging Poster Contest - Thirteenth Edition (Jan-Feb 2015). 

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Location: Western Massachusetts
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From the weatheronline.co.uk site regulars use I got this forecast:



but the National Weather Service says (with Friday the 12th):



why the discrepancy?
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Old 04-11-2013, 01:35 PM
 
Location: Yorkshire, England
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For London at least weatheronline.co.uk often gives more moderate temperatures for the 3-7 day range than actually end up happening in real life, and it was regularly overestimating the abnormally low temperatures we had in March. I only use it on here because the graphics are better than the Met Office forecasts and it gives the sunrise/sunset times. Plus the Met Office gives specific forecasts for Hampstead that are slightly different from the general London ones.
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Old 04-11-2013, 01:48 PM
 
Location: North West Northern Ireland.
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Quote:
Originally Posted by nei View Post
From the weatheronline.co.uk site regulars use I got this forecast:



but the National Weather Service says (with Friday the 12th):



why the discrepancy?
That site is inaccurate it always always overestimates the temperatures way over the top. I use GFS it is really really accurate.
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Old 04-11-2013, 01:54 PM
nei nei started this thread nei won $500 in our forum's Most Engaging Poster Contest - Thirteenth Edition (Jan-Feb 2015). 

Over $104,000 in prizes has already been given out to active posters on our forum and additional contests are planned
 
Location: Western Massachusetts
46,009 posts, read 53,262,798 times
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Quote:
Originally Posted by owenc View Post
That site is inaccurate it always always overestimates the temperatures way over the top. I use GFS it is really really accurate.
But that site is predicting lower temperatures by a lot. Maybe the overestimate is UK specific.
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Old 04-11-2013, 02:05 PM
 
Location: North West Northern Ireland.
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Some sites overestimate because they think the sea has more of an impact than it does.
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Old 04-11-2013, 03:05 PM
B87
 
Location: Surrey/London
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Weatheronline usually underestimates during warm spells.
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Old 04-11-2013, 06:15 PM
 
Location: Melbourne Australia
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Just use the website of your official weather authority. Third party sites tend to just give random numbers. For example, for all Australian forecasts, one should use Australia's official weather forecasts & weather radar - Bureau of Meteorology, not wunderground, weatherchannel.com, foreca, weatheronline, BBC etc.

One useful site that takes the *official* forecast from each country's respective met organisation is the World Meteorological Organisation. World Weather Information Service - Official Observations. Official Forecasts.
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Old 04-11-2013, 06:53 PM
 
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I don't know what weather people get paid, but I sure wish I could be wrong at my job so often and still have it.
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