WORLD WEATHER THREAD

Sixense said:
Just couldn't not reply in slight amusement :D I'm originally from Lithuania, it's pretty warm in there now, around -12 :D don't know, somehow I get smile all over my face when I hear Brits say 'freezing' when it's only 0 ~ -5. Over 3 years here, still amused.
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That's nothing. Bloody Aussies saying it's freezing if it happens to dip below 20 :D
 
FortuitousFluke said:
I can see the cycle to work and back getting progressively more miserable from now on. Cold and wet yesterday. Having said that I basically got a free pass October-December with the mild weather. I just like to moan really.
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I'm considering leaving the car at home and taking the bike! I'll see how flooded the roads are tomorrow as out of 7 potential routes to work today only 1 (the longest) was open to me.
 
Probably nothing will come of it but the models showing quite a high pressure build up off the Atlantic (bit of a change from the low after low) after the weekend pushing the jet stream away giving the chance of colder weather for a bit.
 
Sixense said:
Just couldn't not reply in slight amusement :D I'm originally from Lithuania, it's pretty warm in there now, around -12 :D don't know, somehow I get smile all over my face when I hear Brits say 'freezing' when it's only 0 ~ -5. Over 3 years here, still amused.
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It's all relative, if we got -12 every year then 0 to 5 would be warm.
 
I like their very selectively used image to show regression... 1812-1862 was a historic peak not exceeded in 1000s of years before that - ~1912 is a return to the historic normal, 1942 was a record reduction and it actually increased back to almost the 1912 level until very recently when it dropped back to the 1942 level... while the short term trend is worrying (we haven't seen changes at this pace at any time in the history of the human race) and needs careful study and monitoring it is a far more complicated story than they are making out and needs careful inclusion/consideration of other climate factors and cycles before coming to the conclusions for long term prospects they have.

One thing I find fascinating is whether El Nino is a symptom or cause (assuming a relationship) of recent rapid climate change - the data appears to show it's cycle moving from a less severe, more frequent pattern towards a more severe but less frequent pattern so a lot of the recent dramatic climate change is actually on the rising edge of this current peak - personally I think the dangers of it are going un-noticed as if the current trend continues we aren't many cycles away from catastrophic events on the peaks - not just a bit of flooding.
 
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Weather here (South Somerset) has been weird today - squalls of very heavy rain appearing out of nowhere and gone just as quick, then the sun will be out for a bit then sudden temperature drops followed by hail showers and then just as quickly gone interspersed with bursts of heavy wind - which last for upto 5 minutes then it will be deathly calm for 20-30 minutes.
 
A huge blizzard bearing down on the US east coast:

outOd73.jpg

It is expected to dump near record levels of snow on Washington and the Mid-Atlantic region:


Animation of infrared and visible imagery from NOAA's GOES-East satellite from Jan. 19 to 21 shows the movement one system that moved across the southern U.S. on Jan. 20 followed by a second storm system that is expected to bring the powerful winter storm to the Mid-Atlantic.
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A NASA Center for Climate Simulation supercomputer model that shows the flow of #?Blizzard2016 thru Sunday, January 24, 2015:


The NASA GEOS-5 atmospheric data assimilation system follows an historic winter storm as it approaches the mid-Atlantic this weekend 2016 January 22-24 where it is expected to produce a wide swath of more than 2 feet of snow. The near-real-time operational GEOS-5 system ingests more than 5 million observations every six hours producing comprehensive analyses and forecasts of the atmosphere each day at 25-km global resolution. This experimental product uses the global mesoscale capabilities of GEOS-5 to downscale the operational product to 6-km global resolution. Subsequent forecasts are launched with this product providing a detailed view of the developing storm and its predicted evolution across the region.

The simulated field visualized here is outgoing longwave radiation (OLR). Clouds block longwave radiation that is emitted from the Earth's surface producing cold OLR values in regions of thick/deep cloudiness. Thus, OLR provides a satellite-eye view of clouds from storm systems around the globe, including the developing blizzard across the eastern United States.
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A larger version of that and pics:

https://www.flickr.com/photos/gsfc/sets/72157661507483353/
 
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