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uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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"John Hall" wrote in message
... One surprising thing that I've just noticed, the GFS and ECM operational runs at 00Z on the 13th differ by 5C in their forecast of the London temperature at midnight tonight, ie at only 24 hours range. The GFS was going for +2C and the ECM for -3C. I suppose they had differing opinions about the amount of cloud cover, though -3C in London tonight strikes me as over-egging it even if the cloud cleared. EC's 00Z operational run did indeed have a break in the cloud cover which accounted for the drop. The 12Z op run is similar to other models and maintains the extensive cloud cover with the 2m temperature rising a little after midnight (+2 or so by 06Z). Jon. |
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