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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 09-13-2013, 03:49 PM
 
Location: SE Michigan
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They are calling for patchy frost in SE Michigan tonight.
That's very early, though. Usually it's early-mid October.
I have a ton of tomatoes and peppers still on the vine, too....
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Old 09-13-2013, 04:08 PM
 
Location: Near the Coast SWCT
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Quote:
Originally Posted by chiroptera View Post
They are calling for patchy frost in SE Michigan tonight.
That's very early, though. Usually it's early-mid October.
I have a ton of tomatoes and peppers still on the vine, too....
I think you'll be ok but if its more than a few hours worth I would cover what you can.

Reminds me of May 27th (4 days before June 1st) and the forecast was for mid 30s so a Frost advisory went out down here.. The ground temp at this farm hit 28°F so they turned on their sprinklers to protect the strawberries.

It's amazing sometimes how much colder temps are at the very surface compared to where the thermometer normally is (or should be) off the ground. In this case, it stayed in the mid 30s but the ground was below freezing. And since water freezes below 32° they had to protect the plants.




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Old 09-13-2013, 05:31 PM
 
Location: IN
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Already occurred in northerm Wisconsin last month. By the end of Sept in southern Wisconsin is a good bet.
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Old 09-13-2013, 06:29 PM
 
Location: St Paul's Bay, Malta
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Usually don't get an air frost here until December, normally around Christmas time. Last winter I didn't get an air frost until January...

Quote:
Originally Posted by dunno what to put here View Post
Has anyone on here in a maritime climate ever gone an entire winter month without a frost? Church Fenton never has - but Leeds Weather Centre didn't fall below freezing at all in Jan/Feb 1990. It fell below freezing in November, December, March and April though (89/90).
From my records, which go back to 2001, I have recorded frost free winters in 2006/2007 when my low was +0.2C & 2007/2008 with +1.0C. Last winter was actually my 3rd mildest, in terms of absolute minimums, with a low of -0.7C...
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Old 09-14-2013, 05:51 AM
 
Location: Near the Coast SWCT
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Just posted this in the Fall thread. Frost in Ohio this morning. Typically October is when they see it. It's mid September.
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Old 09-14-2013, 12:36 PM
 
Location: Mid Atlantic USA
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We are normally around 7 November in these parts. We've gone well into late Nov. I've seen plants in the gardens here alive into early December some years.

This year, I have a feeling November is going to be below normal, and even October. I'm thinking late October this year.
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Old 09-14-2013, 12:39 PM
 
Location: Leeds, UK
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I think October and November may be cool here too, but that doesn't mean we'll get an air frost in October.. October 2012 was cold but we didn't get an air frost. Not enough variety that month - just consistently cool.

Seems like some people are going for a cold November. We'll see.
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Old 09-18-2013, 04:41 AM
 
Location: Near the Coast SWCT
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Add NW NJ onto the frosty list this year. Mid September. Parts of Connecticut as well.



https://twitter.com/NJSnowFan/status/380278040993222656
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Old 09-18-2013, 05:20 AM
 
Location: USA East Coast
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The first frost on the central Connecticut coast is normally November 10th. I think parts of Long Island, NY are closer to November 10th.

As far as the cool temps this morning - I think it was only the higher elevation areas in NJ, CT, NYC/LI, PA, ...etc that saw temps in the 30's this morning. Most NWS stations outside those higher areas never went below 40 F in most cases.

A look at the temps shows the center of the cold is in the PA highlands, to the higher elevations of the Hudson Valley/Western CT, and northwest of Washington DC, where there are several 30's F. Most other areas are above 40 F....and the coastal plain from Delaware, through the NJ/Long Island/CT coast are in the mid 40's F....and places like NYC and Philly are near 50 F:





In any event, that is the last of the cool nights for a while - tonight should be like 10 F warmer and by the weekend most places will see lows 55 - 60 F in the Tri-State/Mid Atlantic.
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Old 09-18-2013, 08:30 AM
 
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In Paris first frost is very predictable, usually the third week of november.
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