Blackfield Weather Blog

Reports and thoughts about New Forest Weather

Convection

The last 24 hours have seen thunder, lightning, torrential downpours, very gusty winds and pea-sized hail. This is quite a contrast to the calm, still and increasingly cold conditions traditional here at this time of year, but they are linked. There is now much less…

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Wet

We've had a very wet few days, with more rain to come this week. So far, there has been about 72mm rainfall since Sunday 22 September. that's not too far short of twice the rain we had for the whole month of September last year…

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Calibrating Old Data

When I inspected and updated the weather station at the end of July 2019, I discovered that the wind sensor had been calibrated to read much too low. After quite a few head-scratching hours, and revisiting some neglected hacking skills, I have now managed to…

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Fog

I was woken by fog horns from Southampton Water this morning. Visibility at 6am BST was approximately 600m (fog is anything less than 1km) and was higher even by 7am. Fog forms when the air cannot hold any more water vapour. It is saturated (the…

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Summer 2019

Summer (June, July and August) this year was significantly cooler than last year's (especially July), but fairly close to the long-term average for Southampton Weather Centre (1981-2010). It was much wetter than summer 2018 with June and August significantly wetter than the long-term average. The…

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