Noctilucent clouds

Discussion in 'science, nature and environment' started by 2hats, May 29, 2015.

  1. 2hats

    2hats

    The northern hemisphere noctilucent cloud season has arrived (satellite observations indicate early this year - usually it is June-August). Some were spotted over Scotland yesterday and radar measurements indicate they are further south. Photo from Ayrshire:
    [​IMG]
    These clouds hover around 80km up and may becoming more common as a consequence of global warming.
     
  2. 2hats

    2hats

    And some lovely rippled NLC's seen from Skye in the last couple of days:
    [​IMG]
     
    Last edited: May 30, 2015
    Almor, PippinTook, editor and 10 others like this.
  3. CNT36

    CNT36 Not carbon nano tubes

    So many harbingers of doom make a good photo.
     
    two sheds, Miss-Shelf and gentlegreen like this.
  4. 5t3IIa

    5t3IIa Registered User

    This was full of hailstones in Clapham yesterday.

    [​IMG]

    #nofilter
     
    Badgers, trabuquera and two sheds like this.
  5. 2hats

    2hats

    Activity looks to be picking up - extensive clouds off/over Scandinavia (first image data from the NASA AIM spacecraft, second shot on 1st June from Kristianstad, Sweden):
    [​IMG]
    [​IMG]
     
  6. CosmikRoger

    CosmikRoger Well-Known Member

    Its when people come out with words like noctilucent I really regret my poor education. Why have I never heard of noctilucent clouds before? This shit is interesting and I can't even spell it without three attempts.
     
    PippinTook and CNT36 like this.
  7. StoneRoad

    StoneRoad heckling from the back!

    Something for me to watch out for when I can't sleep - living at 55North I've seen a good few of these. Probably more of them than the Northern Lights in the last few years.
     
    PippinTook likes this.
  8. 2hats

    2hats

    Seen off Anglesey over the weekend just:
    [​IMG]
     
  9. Cid

    Cid 慢慢走

    TBF I don't think it's part of many curricul... Curriculums... curriculae? ah, curricula.
     
    PippinTook likes this.
  10. 2hats

    2hats

    This year's noctilucent cloud season is well underway with displays seen this week across a lot of Europe including on Wednesday morning from Newcastle:
    [​IMG]
     
  11. 2hats

    2hats

    And once again - noctilucent cloud season over the UK and there have been displays for several days now. I can see them to the north right now (poor mobile phone shot attached). Weather looks promising for potential viewing for the coming week.
    NLC.jpeg


    Also a nice sun pillar visible just after sunset earlier…
    [​IMG]
     
    Almor, PippinTook, quimcunx and 6 others like this.
  12. farmerbarleymow

    farmerbarleymow Sweetcorn, Seagulls and Wasps are Brilliant!

    I saw one of them rising over the Pennines last winter I think. It was eerily beautiful. I'll try and dig out the photo.
     
    Pickman's model likes this.
  13. petee

    petee i'm spartacus

    PippinTook, quimcunx, clicker and 3 others like this.
  14. weepiper

    weepiper Jock under the bed

    There was a lenticular cloud over near where I stay in Edinburgh last week.
    IMG_20180620_212022226_HDR.jpg
     
  15. 2hats

    2hats

    Same noctilucent cloud display seen off Anglesey the other day along with bioluminescent plankton...
    [​IMG]

    Video of the same…
     
  16. weepiper

    weepiper Jock under the bed

  17. 2hats

    2hats

    Back again and visible to the north right now. Radar suggests maybe 84 km in altitude.
    [​IMG]
     
    PippinTook likes this.
  18. PippinTook

    PippinTook A flower does not ask to bloom, it just does.

    I remember when I was about 6 yrs old getting a free cloud formation info booklet that had a sliding picture scale on top, It came free in a box of cereal. I kept it for years.
     

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