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Posted (edited)

And the season begins, a few sightings in UK already. @NLCalerts  #NLC2019 @NLCnet

New blog https://www.netweather.tv/weather-forecasts/news/9607-what-are-noctilucent-clouds-also-known-as-nlcs-or-polar-mesospheric-clouds-pmcs 

Noctilucent clouds are rapidly spreading around the Arctic Circle. First sighted by NASA's AIM spacecraft on May 20th, small wisps of electric blue have since multiplied in areal coverage by a factor of nearly 200. SpaceWeather

UK 09/10 June 2019 

UK 25th

 

AdobeStNoctilucent.jpeg

Edited by Jo Farrow
another twitter account and blog link

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Only spotted them once last year, Will be on the lookout again as they are beautiful to watch.

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Some reported in Northern Germany? (a Czech site) through http://ukazy.astro.cz/nlc-monitor.php by @saloplarus last night.

New blog out What are Noctilucent clouds, NLCs aka PMCs Polar Mesopsheric Clouds

 

with thanks to @Evening thunder and @Arnie Pie for photos from years past. 

Today's VHR chart from OSWIN (link in artlcle) 

 

binnocti.png

0406noctiNHR.png

noctiarniepie3.png

noctieveningthunsam1.jpg

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It was 10 years since the greatest display of noctilucent cloud display I have ever seen and I think for many others. It was a truely remarkable display that was widely seen across the UK and other parts of Europe away from the far north.

vT273we.jpg

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fx2UUeM.jpg

4z9q0ja.jpg

 

 

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so theres no reliable site that can tell you when/where they are happening?... see, i dont want to stop up until midnight in the random hope of seeing them, but if there was a reliable predictive site that i could check in the early evening - i would stop up.

so far ive failed to see any by just randomly waiting up, its annoying.

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Good showing this morning

1057996532_noc012.thumb.jpg.572bdb7bf6b9c02a22ec07f06c6f8fc7.jpg

 

65137352_noc006.thumb.jpg.eecb2813b543fbde871b617b37562bec.jpg

344944445_noc007.thumb.jpg.9e96d50f86f97e173d6d22d4421d5a0b.jpg

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They're here now, bright band of them only about 5 degrees high in the north

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yes Summer...i started a time iapse about an hour ago.....some local cloud to contend with but shining brightly below Capell

1 hour ago, Summer of 95 said:

They're here now, bright band of them only about 5 degrees high in the north

a

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Posted (edited)

Cracking morning again......Have never seen them so high to the NE before

a couple of photos my time lapses that im working on

 

654218379_Copyofto705.thumb.jpg.32d7ecb18d7785f859ad45db098c417c.jpg   703825407_to565.thumb.jpg.eb0ecc74470c09f87f80c6e63e554ec5.jpg

Edited by Arnie Pie

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On 07/06/2019 at 11:44, mushymanrob said:

so theres no reliable site that can tell you when/where they are happening?... see, i dont want to stop up until midnight in the random hope of seeing them, but if there was a reliable predictive site that i could check in the early evening - i would stop up.

so far ive failed to see any by just randomly waiting up, its annoying.

This shows if they are on the go above Arctic circle https://www.iap-kborn.de/en/research/department-radar-remote-sensing/current-radar-observations/oswin-mesosphere/ 

above Finland now , if you look at the AIM daisy charts (top right) http://aim.hamptonu.edu/ you can see how the Bright area of NLC moves about above the earth, but there is a lag with these, of several days. Anyone else have helpful charts, or just watching #NLCalerts #NLCnow?. 

 

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3 hours ago, Jo Farrow said:

This shows if they are on the go above Arctic circle https://www.iap-kborn.de/en/research/department-radar-remote-sensing/current-radar-observations/oswin-mesosphere/ 

above Finland now , if you look at the AIM daisy charts (top right) http://aim.hamptonu.edu/ you can see how the Bright area of NLC moves about above the earth, but there is a lag with these, of several days. Anyone else have helpful charts, or just watching #NLCalerts #NLCnow?. 

 

thanks 🙂

 

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Noctilucent Cloud time lapses over Birmingham

1st between 1.30 am - 3.00 am to the N
2nd between 3.00 am - 3.35 am to the NE

 

 

 

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Posted (edited)
On 07/06/2019 at 11:44, mushymanrob said:

so theres no reliable site that can tell you when/where they are happening?... see, i dont want to stop up until midnight in the random hope of seeing them, but if there was a reliable predictive site that i could check in the early evening - i would stop up.

so far ive failed to see any by just randomly waiting up, its annoying.

 Following the 5 day transition cycle of the NC is a good method.....I use the http://spaceweathergallery.com/nlc_gallery.html

to look for good showings over Europe.....and there were some good sightings over Denmark and Scotland on the 4th june.......so + 5 days.

Having said that looking at the mass of NC over the pole atm.... `m sure that the next lot of high pressure over the country will give us all a chance of seeing this extraordinary display

(be aware of the 2 day lag in data.....but it gives you a rough idea where the mass of NC within it`s transition}

 

current_daisy.thumb.png.ebc8a5542847f13a7bdede67d9d207e4.png

 

Edited by Arnie Pie

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Caught the tail end of these in the wee small hours of Monday too, @Arnie Pie Not sure we'll be so lucky tonight with all the rain clouds!

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Screenshot_20190613-071413.thumb.jpg.e9b5a5c0bd34cff81c402f6c30ced66f.jpg

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A short time lapse from this morning

 

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Big display of Noctilucent's tonight very visible to the eye. 

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Posted (edited)
2 hours ago, Summerstorm said:

Big display of Noctilucent's tonight very visible to the eye. 

 

What part of the sky were they.....we`ve got a good showing to my NE atm

Edit: local cloud coming in........a shame because these were higher in the sky thet i`ve ever seen

 

Edited by Arnie Pie

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6 hours ago, Summerstorm said:

Big display of Noctilucent's tonight very visible to the eye. 

Yes it was a good display, lovely electric blue to it and was visible all night. 

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6 hours ago, Weather-history said:

Yes it was a good display, lovely electric blue to it and was visible all night. 

Thwarted by local cloud this morning managed to snap this beauty at 3.15.....mmm electric blue

575719602_newnoc570.thumb.jpg.3d2e71a280bc60630057474d1fcd4aa8.jpg

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Local clouds moving to the NE over a vast area of iridescent noctilucent clouds

 

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Just some observations......We`ve had a crappy month for viewing NLCs.....only a handfull of sightings imby

enough to compare actual sightings with NASAs AIM images

June 9 2019

525785725_cips_sci_3a_9619.thumb.png.2d10988a1477b993152df80a3183d75d.png1914362028_91019.thumb.jpg.50c8f92f0b32180d65260e9a0772ce4c.jpg

 

June 10 2019

1812136079_cips_sci_3a10619.thumb.png.11fc02bdbe06ea048a02ff619be276d6.png2003758798_10619.thumb.jpg.ec95c9c92639b0227915a4882c1c4805.jpg

June16 2019

current_daisy16.thumb.png.26d3f792342e6ff9ca3b087fef71fb28.png576150894_1662019.thumb.jpg.96f57677345b91ba0b66af06080a3a4b.jpg

The current theory at http://www.spaceweather.com/

is that they are related to the lack of Sun spot activity....currently 30 spotless days

Interestingly @Weather-history posted some impressive images from 2009

and looking back at the sunspot activity this theory looks to be correct

wolfjmms.thumb.png.5154997ba196ea77221397a39abf4121.png

lack of sunspots = lack of radiation which in turn means more moisture in the upper atmosphere

Oh for a clear couple of nights

just a thought

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nope.... i awoke at 2.45 and i could see nowt... maybe i was too late?

im also uncertain of how far up into the sky they are visible as ive yet to see a proper display. the photos dont really help... are they in a narrowish band on the horizon? in which case id need a clear view of the horizon. or do they appear higher in the sky?.. obvs not much higher, but say above rooftops that are 50 odd meters away...

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