birder
Level 3 Rank
Posts: 223
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Post by birder on Feb 7, 2019 16:53:04 GMT
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birder
Level 3 Rank
Posts: 223
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Post by birder on Feb 8, 2019 21:26:45 GMT
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Post by nautonnier on Feb 8, 2019 23:06:31 GMT
It has all the makings of a false spring. I expect that the waves of cold will continue to beginning of April. Then it will turn to summer in 2 weeks.
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Post by Ratty on Feb 8, 2019 23:30:14 GMT
Are they IPCC approved groundhogs, Birder?
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Post by missouriboy on Feb 9, 2019 2:57:20 GMT
Are they IPCC approved groundhogs, Birder? Yep. One of them's named fast Eddie.
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Post by acidohm on Feb 9, 2019 18:39:52 GMT
Indeed Birder.....lack of NAO going negative has been persistant this winter. Some say the Atlantic Sst are not set up for it? However, we still have blocking features on GFS 8-10 days out (for what its worth 🙄) So, basically, we're down to explaining to people that if the high pressure was 500miles north, it would be freezing, not very warm. 99% of joe public have no idea what that means 😟 In any case....the atmosphere still seems ready to produce cold, its just the blocking is being blocked by the Atlantic. Tho.....theres is still a chance.... Hence this statement... 3) Early in the season there is an increased risk of cold spells
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birder
Level 3 Rank
Posts: 223
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Post by birder on Feb 9, 2019 19:43:25 GMT
It has all the makings of a false spring. I expect that the waves of cold will continue to beginning of April. Then it will turn to summer in 2 weeks. Typical English spring then.
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Post by nautonnier on Feb 10, 2019 13:24:10 GMT
It has all the makings of a false spring. I expect that the waves of cold will continue to beginning of April. Then it will turn to summer in 2 weeks. Typical English spring then. The Scots weather is actually moving South, so as Billy Connolly says about Scotland, the climate will be "June and winter"
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Post by nautonnier on Feb 12, 2019 2:01:17 GMT
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Post by fatjohn1408 on Feb 23, 2019 13:59:28 GMT
400 gigatons of extra snow to be melted on the north american continent. Thats 1.34E20 joules of energy needed to melt, thats enough to cool all the air above the continent with more than .56 degrees. Off course it will be replenished by new air flowing in taken heat from the oceans but it might be enough to cause a dip. Would be an interesting study correlating snowfall to spring temperatures.
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Post by nonentropic on Feb 23, 2019 18:44:25 GMT
the latent heat is a big factor but actually this is about the reflectivity. As the frequency is unaltered and consequently fly's back out to space just as it can in.
I would like to understand a little more about this metric and historic performance.
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birder
Level 3 Rank
Posts: 223
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Post by birder on Feb 23, 2019 21:34:39 GMT
It really feels like late spring here in the West Midlands, temperature today 60 f and warmest I've ever known it for February, butterflies out and birds singing. If only global warming would last for ever.
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Post by acidohm on Feb 27, 2019 20:06:52 GMT
It really feels like late spring here in the West Midlands, temperature today 60 f and warmest I've ever known it for February, butterflies out and birds singing. If only global warming would last for ever. Chilly mornings however Birder, lack of any humidity apparently. A very good demonstration of the power of water in our atmosphere and its warming effects 😉 One thing we cant accuse our weather of being in the past 12 months....uninteresting! (Except maybe that grey bland bit after x mas 🙄)
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Post by missouriboy on Feb 27, 2019 20:55:12 GMT
It really feels like late spring here in the West Midlands, temperature today 60 f and warmest I've ever known it for February, butterflies out and birds singing. If only global warming would last for ever. Chilly mornings however Birder, lack of any humidity apparently. A very good demonstration of the power of water in our atmosphere and its warming effects 😉 One thing we cant accuse our weather of being in the past 12 months....uninteresting! (Except maybe that grey bland bit after x mas 🙄) What happened to that North Atlantic atmospheric moisture?
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Post by acidohm on Feb 27, 2019 21:16:36 GMT
Chilly mornings however Birder, lack of any humidity apparently. A very good demonstration of the power of water in our atmosphere and its warming effects 😉 One thing we cant accuse our weather of being in the past 12 months....uninteresting! (Except maybe that grey bland bit after x mas 🙄) What happened to that North Atlantic atmospheric moisture? Heading north to our west. We're on the east of the upflow, dry warm air breaking records.... Going zonal after trow by all accounts, that's good as we really need rain, water sources are currently at summer levels!
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