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Interesting and true. Also the cold ocean water in spring probably assures that cold air is still possible in spring. It was just a surprise that they can even early summer frosts too.
Well, I'm 5 degrees north of Owen, 10 degrees north of London, and my record low in June was 41.4F. So it's not something common. Here it happens for the same reason. Cold northerly air which allows to flow down unrestricted.
Quote:
Originally Posted by Donar
What exactly is the difference between a frost and a freeze? Is it frost=radiation frost and freeze=advection frost? Or is it just air frost (2 m) and ground frost?
All these things are quite confusing: frost, freeze, frozen dew, soft rime, hard rime, glazed ice and so on.
In Finnish it's easy. Halla is ground frost, pakkanen is below 0C at 2m and kuura is what it creates (frost particles). Finnish should be the new lingua franca.
Location: Northern Ireland and temporarily England
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I have personally recorded a frost (-1c) in June a few years ago on my own weather station so it is common. It's much colder here in summer and you are 1,200 miles to the East.
Also from Greenland (the main source of cold in the summer) you are about 1,800 miles to the east so the cold is not going to reach you.
Well, I'm 5 degrees north of Owen, 10 degrees north of London, and my record low in June was 41.4F. So it's not something common. Here it happens for the same reason. Cold northerly air which allows to flow down unrestricted.
In Finnish it's easy. Halla is ground frost, pakkanen is below 0C at 2m and kuura is what it creates (frost particles).
Isn't your ocean water warmer than the water surrounding Owen during spring/summer though? And yeah I wasn't insinuating that June frost is common, but it doesn't seem exceptionally rare either. It was only something I didn't know beforehand, now it makes sense to me why they can get frosts late. Cold ocean waters+cold air source not being that far away either. It wouldn't surprise me now if the UK sees more late spring/early summer frosts than a place like Ukraine. I could be wrong though.
I have personally recorded a frost (-1c) in June a few years ago on my own weather station so it is common. It's much colder here in summer and you are 1,200 miles to the East.
Also from Greenland (the main source of cold in the summer) you are about 1,800 miles to the east so the cold is not going to reach you.
You recorded a below freezing temperature in June once, so that makes it common??
Isn't your ocean water warmer than the water surrounding Owen during spring/summer though? And yeah I wasn't insinuating that June frost is common, but it doesn't seem exceptionally rare either. It was only something I didn't know beforehand, now it makes sense to me why they can get frosts late. Cold ocean waters+cold air source not being that far away either. It wouldn't surprise me now if the UK sees more late spring/early summer frosts than a place like Ukraine. I could be wrong though.
It probably does. Kiev has never recorded a freeze in June-August (and probably not a ground frost, either)
I have personally recorded a frost (-1c) in June a few years ago on my own weather station so it is common. It's much colder here in summer and you are 1,200 miles to the East.
Also from Greenland (the main source of cold in the summer) you are about 1,800 miles to the east so the cold is not going to reach you.
Oh so now you have your personal weather station too? You have been, what, 3 years on this forum with 60k posts and not a single mention or shread of stats from that said weather station? Stop already. Ok, I have a PWS too. Yesterday it was at room temperature, but the day before it recorded 225C.
I know you are cooler in summer, but you are also more oceanic and more cloudy, which means less frost. I'm 1000 miles from the Arctic Sea, and I've witnessed June freezes twice in my lifetime, in 1992 and 2009.
I live in a hemiboreal humid continental climate (hemiboreal is the transition zone between the deciduous and coniferous forest biomes). I am the prime authority on frost on this forum now when JetsNHL is somewhere travelling.
I know you are cooler in summer, but you are also more oceanic and more cloudy, which means less frost. I'm 1000 miles from the Arctic Sea, and I've witnessed June freezes twice in my lifetime, in 1992 and 2009.
I think "ocean = less frosts" doesn't apply in the spring, if the spring temperature average cool.
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