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View Poll Results: If the temperature outside is over 80°F/27°C, what dew point range do you prefer?
0-20°F 38 11.21%
20-30°F 25 7.37%
30-40°F 44 12.98%
40-50°F 87 25.66%
50-60°F 65 19.17%
60°F-70°F 45 13.27%
70°F+ 35 10.32%
Voters: 339. You may not vote on this poll

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Old 10-17-2015, 03:58 PM
 
Location: Near the Coast SWCT
83,596 posts, read 75,608,496 times
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That's a lot of 20s for dewpoints and so far south





Departures! Nevada in the 40s/50s is 20+ above normal. Eastern U.S is crazy off normal. Arctic High nice & dry?.

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Old 10-18-2015, 04:45 AM
 
Location: Near the Coast SWCT
83,596 posts, read 75,608,496 times
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Did the temps drop into the 30s all over the south? Doubt it.

That's why I never understood those who said temps usually touch the dew points over night. I don't see that happening except nei's location. lol and few others.

Dewpoint 23°F here. Low of 30°F so far. Might dip to 28 or 29 before sun up..

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Old 10-18-2015, 04:49 AM
 
Location: Key Biscayne, FL
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Dp 65 here

Temp is 73

Fairly typical for this time of year. Dark though...
Attached Thumbnails
The Dewpoint Thread-image.jpg  
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Old 10-18-2015, 04:57 AM
 
Location: Key Biscayne, FL
5,706 posts, read 3,785,395 times
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Quote:
Originally Posted by Cambium View Post
Did the temps drop into the 30s all over the south? Doubt it.

That's why I never understood those who said temps usually touch the dew points over night. I don't see that happening except nei's location. lol and few others.

Dewpoint 23°F here. Low of 30°F so far. Might dip to 28 or 29 before sun up..
Make sure to include me when you post maps of the south!
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Old 10-18-2015, 06:41 AM
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Location: Western Massachusetts
45,983 posts, read 53,616,332 times
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Quote:
Originally Posted by Cambium View Post
Did the temps drop into the 30s all over the south? Doubt it.

That's why I never understood those who said temps usually touch the dew points over night. I don't see that happening except nei's location. lol and few others.
What were the wind speeds there? Only way for temps to drop to the dewpoint is for calm winds overnight.
Cooling to the dewpoint means the max radiational cooling possible happened overnight. Though the dewpoint dropped overnight... Chicopee reading 24°F with a dewpoint of 23°F. APRSWXNET stations closer reported a low of 26°F with a dewpoint of 25°F.
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Old 10-18-2015, 06:59 AM
 
Location: Near the Coast SWCT
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Quote:
Originally Posted by nei View Post
What were the wind speeds there? Only way for temps to drop to the dewpoint is for calm winds overnight.
Cooling to the dewpoint means the max radiational cooling possible happened overnight. Though the dewpoint dropped overnight... Chicopee reading 24°F with a dewpoint of 23°F. APRSWXNET stations closer reported a low of 26°F with a dewpoint of 25°F.
They were calm to light (under 6mph) overnight down there but that was the entire South that was in the 30s. I think you found a special select few spots where it does meet. Like I said, I never really heard of that being a factor until you mentioned it. Close yes but not something I hear talked about. Sounded weird to be honest. lol Dews are usually lower in my findings.
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Old 10-18-2015, 03:19 PM
 
Location: Near the Coast SWCT
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Dewpoint 19° in White Plains. 18° here right now.

Whoops. This was the 3pmEDT map.



Here's the 5pm EDT

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Old 10-18-2015, 03:59 PM
 
Location: New York
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DP is 21F here, and I can feel it.
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Old 10-18-2015, 04:11 PM
 
Location: MD
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Don't know if this happens to people here but, whenever there is a cold snap where the dew points drop into 30s and 40s after months of 60s and 70s, I always get a bloody nose. Doesn't last that long, maybe 2-3 days, but it's pretty pronounced. Well worth it though; I'd take subzero dews over sup-60 dews any day of the week.
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Old 10-24-2015, 02:31 PM
 
Location: Lexington, KY
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DP is into the mid 60s here!
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