The Met Office obviously run their own models and produce their own forecasts.
The BBC get their weather from Meteogroup. Meteogroup get their data from a variety of sources but it is not clear how much of the BBC service is underpinned by Met Office data.
For my location in Somerset just now there are some differences in temperature, probability of rain, cloud, sun. Both show a showery changeable day with fairly average temperatures.
Why the differences:
- the way in which both process and present the data will be somewhat different
- the weather models may come from different sources with different grid sizes etc
- weather models may embed timing differences eg: was the model run at 06.00 or 09.00
You have a choice:
- subscribe to several apps and make your own assessment,
- choose the one that you believe has the most credibility and stick with it
- accept that if sites are showing different outcomes the forecast is inherently low confidence
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Local Weather App new
Local Weather App new
