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Forum » SpaceEngine » Off-topic Discussions » Unusual weather (Let's talk about the weather)
Unusual weather
midtskogenDate: Monday, 16.02.2015, 07:55 | Message # 61
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It's one month to go for the solar eclipse and I'm keeping a closer eye on the Svalbard weather. Yesterday a severe storm hit, reaching 26.7 m/s gusting to 33.4 at Longyear airport (78.2N 15.5E) starting at -22.3C with snow and complete whiteout. 20 hours later it was raining and the temperature was +5.1C (which is above the July mean temp). That's quite a change in one day. Obviously, the air traffic had to shut down in that kind of wind, and I suspect the rain (which freezes on the permafrost) will prevent air traffic today as well.

When I leave for the eclipse in one month I need the flight to be pretty much on time, since I'll be there only for a day. But if the weather is bad, it's unlikely that the eclipse will be visible anyway (except for the darkness).

Added: Today marks the end of the polar night, by the way. I guess today's weather couldn't be more different than when I went to see the sunrise there in 2007: OPOD





NIL DIFFICILE VOLENTI


Edited by midtskogen - Monday, 16.02.2015, 08:10
 
spacerDate: Monday, 16.02.2015, 13:57 | Message # 62
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Ok Thursday Friday and Saturday will be snowy. It can be like in 2014 when he had 50 centimeters of snow.
Like i said, there is more snow days in the winter every year . And the funny thing is that in the last 4 years evey snow that fallen was only in the weekends!! In the last 4 years there wasn't snow on Sunday Monday Tuesday and Wednesday.





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midtskogenDate: Monday, 23.02.2015, 20:23 | Message # 63
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Snow and lightning are a rare combination, at least here in Oslo, but last night it was snowing heavily with strong winds and a lightning struck less than a second away. I've only experienced that a couple of times before. The odd thing about such lightnings is that the thunder is just a short bang. No rumbling because the snow absorbs the sound and echoes so well.

http://voksenlia.net/nytt/2015/lyn-20150223.mp4





NIL DIFFICILE VOLENTI


Edited by midtskogen - Monday, 23.02.2015, 20:48
 
WatsisnameDate: Thursday, 12.11.2015, 07:31 | Message # 64
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Atmospheric river event. AKA "Punch of the Moist Fist":


This also amounts to 8 feet of snow expected in the mountains in just 3 days. Sweet. smile





 
midtskogenDate: Thursday, 12.11.2015, 08:02 | Message # 65
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El Niño fuelling this?

I'll be flying to SF on Tuesday and there's some rain in the forecast. California finally getting sprinkled this winter?





NIL DIFFICILE VOLENTI
 
WatsisnameDate: Thursday, 12.11.2015, 10:03 | Message # 66
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I'm not sure. This atmospheric river (AR) has an origin over a cooler, more northerly part of the Pacific, so it's not as wet as some ARs can be. The ones that reach us from Hawaii are notoriously warm and wet. However, the El Niño has made this region a couple degrees C warmer than normal, which probably helped it.

Atmospheric rivers aren't very rare (there are usually a few of them somewhere on Earth at any given time), but they are pretty interesting phenomena. They are thousands of kilometers long, only a few hundred kilometers wide, and contain more water than the world's largest rivers. A literal river of water, floating up in the air. They tend to branch off of the warm tropical regions and take an easterly and pole-ward trajectory. It's an absolutely beautiful thing to watch, as animation of precipitable water. :)

As for California, I think the El Niño is expected to help, but it will probably take several good rainy seasons to fully recover from that extremely prolonged drought. I'm really hoping they'll get it...

Enjoy your travel!





 
midtskogenDate: Thursday, 12.11.2015, 19:59 | Message # 67
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Yes, lets hope this drought doesn't turn into one of those megadroughts thought to have happened previously...

I just came from Japan and had I known there that I was going to SF (and had I been single...), I should have been working from a Hawaiian hotel right now and avoided the long flights from Japan to SF via Europe! smile





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WatsisnameDate: Sunday, 06.12.2015, 23:55 | Message # 68
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This should help the drought quite a bit:





 
midtskogenDate: Saturday, 19.12.2015, 16:52 | Message # 69
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A hurricane has raged over Svalbard leaving an unusual large amount of snow since yesterday. This morning an avalanche struck central parts of the town Longyearbyen and swept away 10 houses. One of them was the one I and my group stayed in during the solar eclipse in March. Our hostess was in the house when the avalanche struck and swept away with it. She was able to get out, but one person has died and there are several people injured, including seriously injured children. :(

Thankfully most houses are built on pillars because of the permafrost, so most were swept away rather than smashed and buried.

Longyearbyen last night

IcePeople article.






NIL DIFFICILE VOLENTI


Edited by midtskogen - Saturday, 19.12.2015, 17:26
 
midtskogenDate: Tuesday, 29.12.2015, 20:29 | Message # 70
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The North Pole will experience some large temperature fluctuations over the next 24 hours. EDIT: Longyearbyen at 78N reached +8.7C Tuesday night, pretty warm for midwinter.

Attachments: meteogram.png.jpg(71Kb)





NIL DIFFICILE VOLENTI


Edited by midtskogen - Wednesday, 30.12.2015, 11:14
 
midtskogenDate: Thursday, 28.01.2016, 11:58 | Message # 71
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Wow. 43 m/s sustained (10 minute average) wind forecast for tomorrow. Although in the mountains, we don't see that often here in Norway.

EDIT: The hurricane will reach its peak tonight, but already 49 m/s sustained wind (10 minute average), gusting to 62 m/s, has been measured. This I think is the highest wind speed ever measured in Norway. It might not be the highest wind speed in modern history, since instruments being capable of recording such speeds have not been around for many years.

Sustained wind is a 1 minute average in the US, not 10 minute, so this is certainly a category 3, possibly a category 4 hurricane on the Saffir–Simpson scale.

Attachments: 1219291.jpg(6Kb)





NIL DIFFICILE VOLENTI


Edited by midtskogen - Friday, 29.01.2016, 18:41
 
DoctorOfSpaceDate: Tuesday, 16.02.2016, 12:18 | Message # 72
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Many people don't believe me when I tell them Florida has insanely violent storms so I stepped outside for a good ~20 seconds to record a snapchat.

This is the third time this has happened

Click for 10 second video






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WatsisnameDate: Tuesday, 16.02.2016, 18:03 | Message # 73
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Having experienced a good stretch of Florida summer, I can say you definitely do get very intense storms. Some are surprised to learn that Florida gets nearly as many tornadoes per square mile as Oklahoma in the heart of tornado alley.

We would often get some pretty good lightning storms up in Virginia, but absolutely nothing compares to the Derecho we had in the summer of 2012. Straight-line 80mph winds for a good 15 minutes plus continuous flashes of lightning, including a lot of upward ground to cloud lightning. I was outside when it struck, and could hear the roar of the approaching wind even when it was still well over a mile away. Most incredible severe weather I'd ever experienced.





People in the mid-west states probably just laugh at stuff like that, though. smile





 
DoctorOfSpaceDate: Tuesday, 16.02.2016, 23:11 | Message # 74
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Quote Aerospacefag ()
is that a static electricity in the leaves?


I don't know. I wasn't paying attention to the trees at the time.





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WatsisnameDate: Wednesday, 17.02.2016, 00:40 | Message # 75
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Whoa, I missed that, too. It does seem to look like a form of St. Elmo's Fire.




 
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