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lottiekent

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Posts posted by lottiekent

  1. 29 minutes ago, Weather-history said:

    Manchester Winter Indices ranked 

    2013-14: 7

    1988-89: 20

    2006-07: 21

    1997-98: 25

    1974-75: 26

    1989-90: 26

    2015-16: 28

    2021-22: 28

    2019-20: 29

    1973-74: 30

    1987-88: 37

    2007-08: 37

    2016-17: 37

    1991-92: 40

    1975-76: 41

    1999-00: 42

    1992-93: 43

    2002-03: 44

    1994-95: 45

    2018-19: 45

    1998-99: 47

    2004-05: 47

    2011-12: 47

    2001-02: 50

    2003-04: 50

    2022-23: 53

    2005-06: 59

    1979-80: 66

    1996-97: 72

    2000-01: 77

    1993-94: 78

    1983-84: 82

    2014-15: 82

    1982-83: 85

    1977-78: 90

    1980-81: 90

    2017-18: 93

    1986-87: 100

    2012-13: 102

    2008-09: 105

    2010-11: 119

    2020-21: 120

    1990-91: 126

    1995-96: 135

    1984-85: 140

    1976-77: 141

    1981-82: 149

    1985-86: 159

    2009-10: 197

    1978-79: 262

    What is this representative of please? 

  2. 1 hour ago, MattH said:

    Just flicking through some of the EC46 plots, amongst a busy weekend shift, and I think there is already some evidence for changes in there, for towards and beyond mid-December.

    As ever the usefulness of the layout of the EC46 images on a day-by-day basis allows you to see clear trends and a few links to some of the more interesting ones are as follows...

    The regime changes are trending away from a resolute 'blue' or +NAO to now a very uncertain 'no regime' signal in the latest plot. You can see how the predicted +ve NAO has been nibbled away at in recent days to now the most recent one nearly losing that strong signal altogether.

    image.thumb.png.d85d8717e17357c962f004e54a3747f4.png

    The other series of plots which have changed is the VP signal, obviously no surprises on this one after numerous comments and discussions on this thread, but the last few runs highlight that strengthening signal.

    image.thumb.png.5feeade95b094cd09aeaa14cafe43eb9.png

    Lastly, the one that stood out the most to me was the general 500mb height anomalies - We can see how the signal was for -ve 500mb height anoms over NW Europe a week or so ago, with a cyclonic signal through the 18th to the 25th Dec. However, note how that signal has been nibbled away at as well with now the most recent signal showing something far more blocked.

    image.thumb.png.85e8a112981c963f978818b008e5df76.png

     

    Whether this is just run-to-run variability, time will tell, but I don't think it is. Again this is why viewing these plots in this format is better than looking at them individually as you can visually see and extract potential trends and there are certainly trends there in my opinion already.

    Once this -VP200 signal and associated MJO event pushes further into the W Pacific with a resultant +GLAAM/+GWO rise, it should be a fascinating watch from an NWP perspective in the 10 to 15-day time period, again as I mentioned the other day, covering the final third (20th-31st) or so, or now perhaps even earlier...

    Cheers, Matt.

    I love the weather, have been a member on this forum since the demise of the BBC weather forum (with its infamous SCOD poster and 11pm closing time) so for more years than I care to remember. But I still have a lot to learn - I *think* what Matt is saying here is that the trend is towards a blocked signal with a colder theme for end of month? 
     

    Rather than making an idiot of myself in the mod thread from where this was quoted, I’m hoping one of my more learned SE members can help please? 

    • Like 1
  3. Current obs on my station and its falling as freezing rain, can hear it on the house and path outside. Can’t see a lot as only one small old fashioned streetlight a few meters away but the leaves left on the tree in the front garden are falling off readily as the accumulating ice weighs them down!

    Kind of wish it was light to see it happen but equally relieved it’s dead of night as it’ll be lethal at the moment.

    IMG_8725.thumb.png.1fca75c4980131a5dd637db584ce46c0.png

    • Like 1
  4. 1 hour ago, MAF said:

    That's more like it! thick frost and fog too. a froggy morning here in SE18.

    loving the shard lights this year 

    WWW.BBC.CO.UK

    See the preparation work that goes into getting The Shard sparkling for Christmas.

     

    Nice! I’m at work in London office next week and should be able to see it if I go up the top (Gherkin) 

    Nothing here, just grey and coldish at 4c

  5. Scared to post anything at the moment in case it jinxes the whole situation. Also limiting myself to short bursts of model thread as it’s a bit too like a seesaw in there for my liking 

    • Like 2
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