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Author Topic: Nice Winter surprises  (Read 1231 times)
thierrylegros396
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« on: January 13, 2013, 02:17:29 PM »
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Really Nice Winter surprises yesterday and today Smiley Smiley

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thierrylegros396
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« Reply #1 on: January 13, 2013, 02:21:35 PM »
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Two More.

Thierry
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Patricia Sheley
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« Reply #2 on: January 13, 2013, 04:33:56 PM »
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Please explain !!! Had there been long rain, then cold? Night heavy freeze after thawing afternoon...absolutely still night...Curious, I'm the cat about to die!
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Eric Myrvaagnes
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« Reply #3 on: January 13, 2013, 05:10:04 PM »
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Please explain !!! Had there been long rain, then cold? Night heavy freeze after thawing afternoon...absolutely still night...Curious, I'm the cat about to die!
Please do. I've never seen anything quite like it.
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sdwilsonsct
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« Reply #4 on: January 13, 2013, 08:18:07 PM »
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http://www.sierrapotomac.org/W_Needham/NeedleIce_070123.htm
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Eric Myrvaagnes
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« Reply #5 on: January 13, 2013, 08:50:48 PM »
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Thanks. I'll look for "needle ice" if we ever get a real winter here in Massachusetts.
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-Eric Myrvaagnes

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wolfnowl
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« Reply #6 on: January 14, 2013, 01:33:16 AM »
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Huh.  Learn something new every day.  I can quit for today.  I've been around tons of ice and metres of snow, but never seen this phenomenon.

Thanks for sharing!

Mike.
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francois
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« Reply #7 on: January 14, 2013, 06:21:19 AM »
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This is also very new to me. I imagined a lot of things before you linked the explanation. Thanks!
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Francois
sdwilsonsct
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« Reply #8 on: January 14, 2013, 08:51:31 AM »
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I've been around tons of ice and metres of snow, but never seen this phenomenon.

Me neither. That link makes it sound like the weather for this is more suitable in NW Europe.
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thierrylegros396
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« Reply #9 on: January 14, 2013, 09:54:51 AM »
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Please explain !!! Had there been long rain, then cold? Night heavy freeze after thawing afternoon...absolutely still night...Curious, I'm the cat about to die!

Thanks for technical explanations, also called "Needles of Ice Growing on Wood".

I will add that the phenomenon is rather seldom and located in some well orientated valleys.
More, those crystals are especially growing on some kind of wood, preferably without bark.
And yes, a lot of rain before a night freeze, but not especially heavy.

More here http://my.ilstu.edu/~jrcarter/ice/wood/

The first time I noticed that phenomenon was in 2005.

But crystals are reallly nice this year Wink

Thierry
« Last Edit: January 14, 2013, 10:56:43 AM by thierrylegros396 » Logged
thierrylegros396
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« Reply #10 on: January 19, 2013, 12:45:03 PM »
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Another surprise, 250m from home Wink Wink

SX50 full optical zoom + crop = 2000mm equivalent !!!
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sdwilsonsct
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« Reply #11 on: January 19, 2013, 01:59:46 PM »
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Yes, that seems like a great camera for occasional bird shots.
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thierrylegros396
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« Reply #12 on: January 20, 2013, 02:29:08 AM »
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Yes, that seems like a great camera for occasional bird shots.

But don't expect miracles, it's a small sensor camera !

Just do the sharpening with larger radius than usual, about 2 pix seems to work well.

Thierry
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Tony Jay
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« Reply #13 on: January 20, 2013, 02:55:25 AM »
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Fascinating read!

Tony Jay
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thierrylegros396
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« Reply #14 on: January 20, 2013, 09:27:00 AM »
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Painted white  Wink
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