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Kelvin Helmholtz Billows (clouds sky ). Photo by katy99780
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Kelvin Helmholtz Billows

Uploaded by: katy99780

Friday March 1, 2013

Tok, AK (Current Weather Conditions)

Caption: They only lasted a moment, and were gone. Only lens I had with me was the 70-300, so I couldn't 'back off' for a better view.

I've seen this kind of cloud only twice before in my life, and I count myself lucky each time.

Manufacturer: Canon

Model: Canon EOS REBEL T3

Orientation: top - left

x-Resolution: 72.00

y-Resolution: 72.00

Resolution Unit: Inch

Software: QuickTime 7.6.6

Artist:

YCbCr Positioning: centered

Copyright: [None] (Photographer) - (Editor)

Compression: JPEG compression

Exposure Time: 1/320 sec.

FNumber: f/8.0

Exposure Program: Landscape mode (for landscape photos with the background in focus)

ISO Speed Ratings: 100

Exif Version: Exif Version 2.2

Components Configuration: Y Cb Cr -

Shutter speed: 8.38 EV (APEX: 18, 1/331 sec.)

Aperture: 6.00 EV (f/8.0)

Exposure Bias: 0.00 EV

Metering Mode: Pattern

Flash: Flash did not fire, compulsory flash mode.

Focal Length: 100.0 mm

User Comment:

SubsecTime: 44

SubSecTimeOriginal: 44

SubSecTimeDigitized: 44

FlashPixVersion: FlashPix Version 1.0

Color Space: sRGB

PixelXDimension: 4272

PixelYDimension: 2848

Focal Plane x-Resolution: 4720.44

Focal Plane y-Resolution: 4786.55

Focal Plane Resolution Unit: Inch

Custom Rendered: Normal process

Exposure Mode: Auto exposure

White Balance: Auto white balance

Scene Capture Type: Standard

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Display: 50, 100, 200 Sort: Newest First - Order Posted
22. katy99780
6:36 PM GMT on March 03, 2013
YOU GOT THAT RIGHT Mariajo!! It was a fleeting moment!
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Member Since: October 3, 2005 Comments: 26501
21. Mariajo
6:22 PM GMT on March 03, 2013
This is called: being in the right place, at the right time with the camera.
;)
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Member Since: October 13, 2008 Comments: 9
20. katy99780
6:04 PM GMT on March 03, 2013
Thanks for stopping by Dave!
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19. WurzelDave
4:09 PM GMT on March 03, 2013
Fabulous, never seen them for myself. Congrats.
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Member Since: November 23, 2008 Comments: 16437
18. katy99780
3:11 AM GMT on March 03, 2013
Thank you Eileen! It's not much for 'scenery' but it was an awesome cloud.
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17. YouKnowWho
3:05 AM GMT on March 03, 2013
Cool clouds!
Wouldn't mind seeing these in person one day.
AC congrats!
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16. katy99780
9:12 PM GMT on March 02, 2013
Thanks so much Michal!
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15. Kajzar
9:07 PM GMT on March 02, 2013
Wow! Amazing phenomenon! Great catch!
Congratulations!
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14. katy99780
5:08 PM GMT on March 02, 2013
Thank you friends!

Arlene, the only thing I know of, that these clouds foretell, is turbulence up there, not a good place to be in your light plane... I believe they are caused by certain winds generated over specific terrain conditions. I have only seen them happen over mountains. My near mountain range is to the left of the photo, just out of sight.

A first for me Susan, to see these in OVERCAST skies. The other sitings were in partly cloudy conditions, all three times in winter.

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13. Budsgirl
3:10 PM GMT on March 02, 2013
Very interesting capture!
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12. gatorgal
2:37 PM GMT on March 02, 2013
Wow!
Wonderful find and catch!!

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11. suzi46
2:31 PM GMT on March 02, 2013
wow Katy..a great example of them..and really different to see them in a very gray, cloudy sky!! I'll have to keep an eye out for them up here this year..so neat! AC congrats :)
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10. trailhiker44
2:20 PM GMT on March 02, 2013
Lovely veiled Kelvin-Helmholtz clouds !
Great catch !
CONGRATULATIONS, Katy !!!
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9. paperdestroyer
2:14 PM GMT on March 02, 2013
I GUESS WE ARE LUCKY TOO. SAW SOME OF TRHESE ON THE WAY INTO ABILENE TEXAS THE OTHER DAY. I ALSO CALLED THEM CURLING WAVE CLOUDS.
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8. canuckjune
2:08 PM GMT on March 02, 2013
Katy do they seem to fortell any change in the weather or anything???
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7. swampteach
1:42 PM GMT on March 02, 2013
Very cool! Looks like curling waves. Great capture.
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6. Hotzenwaelder
1:36 PM GMT on March 02, 2013
Amazing. I do not think that I have ever seen such clouds and wonder why they seem to be so short lived.
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Member Since: July 29, 2010 Comments: 7230
5. ruralartist
1:15 PM GMT on March 02, 2013
Good catch Katy! Yes they are so rare, I got a glimpse this winter at some too and by the time I got a shot they were about gone. Congrats on your AC.
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4. n8pzg
8:47 AM GMT on March 02, 2013
Great capture of a textbook feature. Fantastic quality.
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3. Wanda1948
8:46 AM GMT on March 02, 2013
Very beautiful clouds! Congratulations Katy!
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2. katy99780
5:33 AM GMT on March 02, 2013
Thank you Gil, yes they looked very out-of-place in the otherwise 'plain' sky.
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1. gilg72
5:31 AM GMT on March 02, 2013
Sure Are Odd looking. Great capture.
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About katy99780

katy99780

I've lived in Alaska since 1969. I love this wild land. The extremes of the far north shape and affect every living thing. Extremes of weather, elevation, daylight hours, isolation, flora and fauna, nothing in Nature is insignificant.I have a Davis Vantage Pro weather station, uploading to Wunderground, (Turks on the Tundra) the National Weather Service, the Citizen Weather Observation Program and MADIS (Meteorological Assimilation Data Ingest System). "May you have warmth in your igloo, oil in your lamp, and peace in your heart." ~ Indigenous Arctic Proverb

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