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Old 01-06-2018, 02:37 PM
 
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Quote:
Originally Posted by muslim12 View Post
Once more click the link i shared with you please before you argue. There is an arctic air mass over us now, combined with the snowpack temps are lower . Greenville hit 0 degrees this mornin... record breaking... without the snowpack there is no way on earth they would have gotten that low given the current airmass.

Snow radiates heat very quickly during the night...

Dear god do you not listen to the weatherman when he explains it every single year when we have a snowpack how areas with snow end up colder ...
Greenville doesn't have a snowpack*. How much of the 4 inches of snow is still on the ground in Greenville? Not enough to significantly influence the temperature. What would the low temperature been if no snow had fallen on Wednesday/Thursday? Not 15 degrees warmer. I know the weather excites you, but really, there's no need to be so breathless and over the top about it.

* "...layers of snow that accumulate in geographic regions and high altitudes where the climate includes cold weather for extended periods during the year."

Last edited by BC1960; 01-06-2018 at 02:59 PM..
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Old 01-06-2018, 03:14 PM
 
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Greenville This Evening

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Old 01-06-2018, 03:20 PM
 
Location: Lizard Lick, NC
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Quote:
Originally Posted by BC1960 View Post
Greenville doesn't have a snowpack*. How much of the 4 inches of snow is still on the ground in Greenville? Not enough to significantly influence the temperature. What would the low temperature been if no snow had fallen on Wednesday/Thursday? Not 15 degrees warmer. I know the weather excites you, but really, there's no need to be so breathless and over the top about it.

* "...layers of snow that accumulate in geographic regions and high altitudes where the climate includes cold weather for extended periods during the year."
Yes, yes the temps likely would have been 15 degrees warmer. For it to have been as cold as it was last night in Greenville the 850 millibar level temps would have to had been much colder... this airmass is impressive but in no way is it cold enough to send temps that low without a snowpack radiating heat and reflecting sunlight... Greenville does have a snowpack... a snowpack is just a layer of hardened snow.
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Old 01-07-2018, 03:46 AM
 
Location: SW Corner of CT
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Hmmm....maybe when I retire to NC I should bring my snowblower from the north
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Old 01-07-2018, 04:50 AM
 
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Quote:
Originally Posted by muslim12 View Post
Yes, yes the temps likely would have been 15 degrees warmer. For it to have been as cold as it was last night in Greenville the 850 millibar level temps would have to had been much colder... this airmass is impressive but in no way is it cold enough to send temps that low without a snowpack radiating heat and reflecting sunlight... Greenville does have a snowpack... a snowpack is just a layer of hardened snow.
Bull. It was 3 degrees last night in Albemarle and Salisbury, and they didn't get any snow. And G'ville, does NOT have, by definition, a snowpack. You are completely wrong.
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Old 01-07-2018, 06:54 AM
 
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Greenville got to -4 this morning.
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Old 01-07-2018, 06:55 AM
 
Location: Lizard Lick, NC
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Quote:
Originally Posted by BC1960 View Post
Bull. It was 3 degrees last night in Albemarle and Salisbury, and they didn't get any snow. And G'ville, does NOT have, by definition, a snowpack. You are completely wrong.
Dont think ill be able to convince you .... enjoy your day and pay attention when the weatherman speaks about radiative cooling maybe a proffessional would be more convincing... so go ahead mr. Weather know it all.

Greenville tied their all time record low this morning... tjird time in their 120 weather record that they went under 0...

The city should have fun this year with almost everything in the landscape dead.
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Old 01-07-2018, 07:15 AM
 
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Quote:
Originally Posted by muslim12 View Post
Dont think ill be able to convince you
Convince me of what? That a light dusting of snow is a snowpack capable of dropping temperatures 15 degrees? You can't "convince" anyone of that because it simply isn't the truth.

Quote:
Originally Posted by muslim12 View Post
.... enjoy your day and pay attention when the weatherman speaks about radiative cooling maybe a proffessional would be more convincing... so go ahead mr. Weather know it all.
Pot, meet kettle, lol.

Quote:
Originally Posted by muslim12 View Post
Greenville tied their all time record low this morning... tjird time in their 120 weather record that they went under 0...
I never said it wasn't cold.
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Old 01-07-2018, 07:20 AM
 
Location: Lizard Lick, NC
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Read this link... look at the strong affect snowcover has

https://addins.kttc.com/blogs/weathe...-temperatures/
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Old 01-07-2018, 09:13 AM
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Location: Long Island / NYC
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Quote:
Originally Posted by muslim12 View Post
Read this link... look at the strong affect snowcover has

https://addins.kttc.com/blogs/weathe...-temperatures/
here's a simple diagram, too. Poster is from the UK but the diagram is from a US weather office.

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