Spot the difference

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Graham Easterling

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Jun 30, 2025, 11:28:56 AMJun 30
to Weather and Climate
Often, in these humid conditions it's difficult for the forecasters, so they normally end up saying "misty around some coasts in the far SW."

But with a bit of common sense it's easy to pick the spots. Today (and it was very similar yesterday sea fog wise, there was just rather more in other cloud types yesterday.).

1:15
2025-06-30 16_13_04-Capture.png 

3:30
2025-06-30 16_14_28-Capture.png
11am would have  shown the same blue hole to the west of the Lizard and along the north coast. The streaks of cloud off the north coast at3:30 weren't sea mist, but bits of medium level cloud.

I've just got back from Perranuthnoe, just the far side of Marazion, where it felt hot in the humid, still conditions. It was probably around 23C in truth, just felt warmer. Currently (16:15) 24C at St. Mawgan, Newquay. The sea was virtually tepid over the beach. Warm nights and little evaporative cooling.

Much less swell today.

Graham
Penzance

jack.h...@gmail.com

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Jun 30, 2025, 11:48:18 AMJun 30
to Weather and Climate
Difficult for the forecasters to pin down precisely where the sea fog will be.

There's a parallel up here with the rain shadow. Again, very difficult to predict how much rain as it seems to depend on the exact wind direction (amongst other things)  This evening, rain is forecast, but the amounts predicted vary between the models from nil to 20 millimeters.  I'm hoping for the latter.

Jack

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