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Sundogs in the frozen wasteland

Started by rmack, November 23, 2013, 10:01:20 AM

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rmack

took a picture of these the other day, the two dogs on the outside looked like a pair of junior suns to the naked eye. picture taken just before noon.



 
the foundation for a successful life is being able to recognize what to least expect the most... (anonymous)

Welder Bob
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Chuck White

That's a really good pic, we see them here once in a while!
~Chuck~  Cooks Cat Claw sharpener and single tooth setter.  2018 Chevy Silverado and 2021 Subaru Ascent.
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Red Good

My old man used to say some really cold weather coming when we saw those .
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Ianab

Quote from: Red Good on November 23, 2013, 11:33:07 PM
My old man used to say some really cold weather coming when we saw those .

Ice crystals high in the air I think, so that would fit in with the cold weather theory  ;)

Ian
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WildDog

Interesting, nice pic. I can't recall ever hearing of Sundogs or even seeing them.
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Magicman

I think that we don't have them in Mississippi.   ;D
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Bill

rmack

It did get quite cold the next day. I think the same holds true when you see a halo around the moon... cold weather coming.
the foundation for a successful life is being able to recognize what to least expect the most... (anonymous)

Welder Bob
2012 LT40HDSD35 Yanmar Diesel Triple
1972 Patrick AR-5
Massey Ferguson GC2410TLB Diesel Triple
Belsaw Boat Anchor

WmFritz

That is a great photo. Funny though, at least for me... my natural instinct is to look away from the bright light.  :D
~Bill

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rmack

Quote from: WmFritz on November 25, 2013, 08:35:02 AM
That is a great photo. Funny though, at least for me... my natural instinct is to look away from the bright light.  :D

what can I say... I'm a welder.
the foundation for a successful life is being able to recognize what to least expect the most... (anonymous)

Welder Bob
2012 LT40HDSD35 Yanmar Diesel Triple
1972 Patrick AR-5
Massey Ferguson GC2410TLB Diesel Triple
Belsaw Boat Anchor

mesquite buckeye

When it gets really crazy, you can get a full ring with sun dogs on either side, then above and below, then a ring curving the opposite direction the same distance as from the sun to the main ring away from the ring.

Also can get a cross running from the sun to all the sun dogs and beyond them.
Manage 80 acre tree farm in central Missouri and Mesquite timber and about a gozillion saguaros in Arizona.

Ianab

A halo around the sun (or moon) is a similar effect, but the sun is higher, and shining down through a high layer of ice crystals. Sun dogs are when the sun is lower, and comes though a lower layer of crystals, so you only see the halo on each side of the sun.

So sun dogs are more common in the higher latitudes, where it's more likely to have that cold layer near the ground, and hence it's also a sign of cold weather.

In warmer climates you don't see them, just the halo from ice up at 30-40,000 ft. Where it might be -50C, even when it's a summer day on the ground.

Ian
Weekend warrior, Peterson JP test pilot, Dolmar 7900 and Stihl MS310 saws and  the usual collection of power tools :)

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