Visiting Queensferry today, noticed that North Queensferry got enveloped by this strange fog/cloud.

Was wondering if anyone understands this phenomenon?

by Valyrios1

35 comments

  3. Hottest day of the year across the UK? Nah the east coast is fucking freezing due to the Haar

  4. This is something called haar. It happens all over the east of Scotland in the summer months when it’s warm. Basically, it’s warm air moving over the sea, creating a cold fog. If you drive into it it’s (not) fun to watch the temperature drop, sometimes by 10degC or more over a few hundred meters.

  5. [https://weather.metoffice.gov.uk/learn-about/weather/types-of-weather/fog/coastal-fog](https://weather.metoffice.gov.uk/learn-about/weather/types-of-weather/fog/coastal-fog)

    >Coastal fog is a regular occurrence along the eastern coast of the UK and is most common during spring and summer. In eastern Scotland, it is known locally as *haar* whilst in eastern England, the coastal fog is referred to as *fret*.

    >Coastal fog is usually a result of advection fog which forms when relatively warm, moist air passes over a cool surface. In the UK, the most common occurrence of coastal fog is when warm air moves over the cool surface of the North Sea towards the east coast of the UK.

    >When this happens, the cold air just above the sea’s surface cools the warm air above it until it can no longer hold its moisture. This forces the warm air to condense, forming tiny particles of water which forms the fog that we see.

    >Coastal fog usually occurs in the spring and summer months when conditions begin to warm up but the sea (which warms more slowly) stays relatively cold.

    >The impact, location and movement of coastal fog depend upon a number of conditions, including wind strength, wind direction and land temperature. If, as is common along the UK’s east coast, the winds blow in from the east, the fog will often rapidly cover the coast in a blanket of fog. If the land temperature is warm, the fog can quickly dissipate as the parcel of air warms. However, if the land temperature is cooler, the fog can linger for a longer time.

    We’ve got the same conditions in Dundee today.

  7. Haar but it’s the worst part about some of the great days “we” have as a person living on the east coast right by the sea. You’ll be driving home and it’s the most beautiful weather your experienced, buzzing to get out in the garden crack open a drink and enjoy the sunshine. Then you get home and it’s gray. Cold and gray, and you just know that less than a mile away from you people are able to enjoy the weather.

  8. Summer only happens after midday when the haar burns off

  9. Edge of the map so the Devs didn’t have to do too much background detail.

  11. For Americans, this is similar to what happens in San Francisco and other areas on the West Coast in the summer.

  12. That’s Fife, beyond our borders. You must never go there Simba

  13. In Denmark it is known as “Havgus”. Something that usually happens in the spring when relatively hot and moist air travels across cold water and condenses quickly.
    At Hanstholm they’re still laughing at how the germans blew out windows when they fired their guns, thinking that it was allied ships and not havgus.

  14. We used to holiday in pettycur bay Fife 1970s ,the haar would be in the morning ,and the fog horn would be blaring from the light house on an island, incholm or inchkeith can’t remember which, but the haar was always away when the sun burnt through well before lunch.

  15. Couldn’t see it at first so zoomed in.

    Thought I had mist it

  17. Haar. A morning sea fog that happens when the dawn warms a cold ocean. It usually burns off by noon

  20. Don’t approach, it’s turning people inside out. Didn’t you watch the Simpsons?

  23. To me it’s haar. You can get it on the eest coast too. Hence the old Ayrshire saying about the Ailsa Craig “if she’ wearing a hat (low clouds), it’s gonnae be wat. If she’s wearing a coat (haar), it’d gonnae be hoat”

  24. Just got home with a bottle of wine planning an evening drinking in the back garden only to see the haar creeping across from Fife, bugger.

  25. Stephen King has a great research paper on this 🤓

  26. It’s a Haar in Scotland and a Marine Layer in the U.S

  27. I live in San Francisco and we see this quite a bit — fog coming in under the Golden Gate Bridge and hovering over Alcatraz. It’s enough to make you think the fog is sentient 😍

  28. Well .. Steven King has a book called mist that contains all kinds of horrors and things that should not be …. the other side of that waterway is …. Fife

  29. Yep coastal haar as others here have said. Proper spoiled my day at the beach today! 5 mins away from the coast though? Glorious sunshine and 27 degrees 😆

  31. You should have seen it in Anstruther today. We drove all the way there and the whole East Neuk was basically in a cloud. We were fucking ragin

  32. You haven’t progressed far enough through the story to unlock Fife yet 

  33. It’s when water in the air condenses and forms a cloud.

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