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View Poll Results: The first air frost. When?
September 7 12.07%
October 23 39.66%
November 14 24.14%
December 5 8.62%
January 4 6.90%
I live in a frost-free climate 5 8.62%
Voters: 58. You may not vote on this poll

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Old 09-12-2013, 03:13 PM
 
Location: Leeds, UK
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0.1 days at Castlederg, which equates to one day every 10 years.
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Old 09-12-2013, 03:13 PM
 
Location: North West Northern Ireland.
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Quote:
Originally Posted by dunno what to put here View Post
Very unrealistic. Castlederg may get a freeze in September occasionally but it's not average.

To my knowledge, the following places have recorded an air frost/freeze already:

Altnaharra
Aboyne
Redesdale Camp (only non-Scottish station)
Tulloch Bridge

Redesdale Camp recorded its first air frost/freeze on 31 August last year.
Castlederg 0.4c last week. Grrr
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Old 09-12-2013, 03:15 PM
 
Location: North West Northern Ireland.
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Quote:
Originally Posted by ilovemycomputer90 View Post
Probably October as usual. I remember the first 'air frost' last October felt absolutely frigid.

Freezing weather sounds very appealing right now as I sit in a hot and stuffy room with broken A/C.
It's always a shock isn't it? Usually it just comes up out of nowhere and everyones like .

It's a bit like aliens have arrived.

It's the same with the first snow, it just randomly starts to come.
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Old 09-12-2013, 03:20 PM
 
Location: Top of the South, NZ
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Quote:
Originally Posted by Mac15 View Post
It's always a shock isn't it? Usually it just comes up out of nowhere and everyones like .

It's a bit like aliens have arrived.

It's the same with the first snow, it just randomly starts to come.
I don't usually find it much of a shock. There will generally be a few nights in the 1-3C range, in the weeks leading up to the first frost
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Old 09-12-2013, 03:21 PM
 
Location: Lincoln, NE
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I predict my first freeze (or "air frost") will occur sometime in the first half of November.
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Old 09-12-2013, 03:23 PM
 
Location: Near the Coast SWCT
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Quote:
Originally Posted by nei View Post
The daily records are under the freezing mark for most of September, but that doesn't mean there's a high probability of getting a frost in September (except maybe right at the end). Though here, there may be, but I don't remember getting one in September:

Fall 'Freeze' Probabilities (Jul. 31 - Dec. 31)

50% chance of "air frost" before Oct 1. Ground frost may be earlier, but it's hard to tell. The chance of getting the first air frost after Oct 15 is low, < 10%.
Agree for "some" areas.

Here's NY's first frost dates. Many areas are in September.



Here's the U.S "freeze" average. So one can say frost would happen a bit sooner. Look at Maine, New Hampshire, Southern Vermont, and higher elevations of NY & CT "by October 1st". That means frost is possible in September there.

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Old 09-12-2013, 03:32 PM
 
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Chicago's first frost occurs between October 21st and 31st, however in the suburbs away from the lake it's earlier usually between October 1st through the 10th.


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Old 09-12-2013, 03:36 PM
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Location: Western Massachusetts
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My hometown (Long Island) is after Nov 10! Similar to many oceanic climates! I always like to think we had a bit of oceanic-ness to our climate, about as good as you can get anywhere in the northern US.
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Old 09-12-2013, 03:40 PM
 
Location: Madison, WI
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Probably October.
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Old 09-12-2013, 03:42 PM
 
Location: North West Northern Ireland.
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Quote:
Originally Posted by Joe90 View Post
I don't usually find it much of a shock. There will generally be a few nights in the 1-3C range, in the weeks leading up to the first frost
Well here usually it is about 8c one night and hen it will drop below 0c. There is no clue etc that it is coming. It just randomly comes.
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