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For where I live Nov 1-15 this year has been identical in average (45°) to Nov 1-15 in 2009, which was an unusually warm November. The remainder of November in 2009 stayed just as warm (44°F), which what really made that November warm. I think it will be a hard act to beat November 2009
Yea, November 2009 was really warm in the northern tier. It would be hard for this November to beat Nov 2009.
One other thing that is interesting up in your area (and I had to check this, as I was sure it was not right when I first read it)....NWS Boston has not had an offical frost as of yesterday! According to NWS Boston - the last time there was a frost in Boston was on March 29th, 2011. Boston has now had 200 + frost=free days this year. I'm sure that the reporting station in Boston is right near the Atlantic or maybe downtown, but I guess one can make the case that continental climates near 40 latitude are really modified continental climates to some degree, but still that was a bit of a shocker.
... Record cold temperatures in interior Alaska...
The first cold weather outbreak of the season has settled in over
interior Alaska. Unusually frigid temperatures for mid-November have
been observed across much of the region. Temperatures colder than
40 below zero are being reported in valleys in the central and
northeastern interior. Infrared satellite images also indicate
temperatures under 50 below zero in some of the coldest valley
locations.
Several record low temperatures were broken overnight in the
Fairbanks area. This includes Eielson Air Force Base which
bottomed out at 42 below this morning... shattering the previous
record of 37 below set back in 1956. Record or near record low
temperatures are possible again Thursday morning. The record low for
November 17th at the Fairbanks Airport is 39 below... and 40 below
at Eielson Air Force Base.
Temperatures from 15 to 35 degrees below normal will persist over
much of the interior the next several days. A slight moderation is
expected on the weekend... but temperatures climbing above zero
across interior Alaska are not expected any time soon. Long range
models indicate another shot of reinforcing cold air arriving
early next week... and possibly hanging around into the
Thanksgiving weekend.
The average temperature in Fairbanks this week is around 9 above
with an average low of 7 below zero.
Below is a summary of official low temperatures as of noon
Wednesday unless otherwise noted.
Fairbanks area:
uaf Smith Lake... ... ... ... ... ... ... ... 49 below (unofficial)
North Pole kjnp... ... ... ... ... ... ... ..46 below (new record)
North Pole Woodsmoke subdivision... ... 46 below
Eielson AFB... ... ... ... ... ... ... ... ... 42 below (new record)
Fairbanks Airport... ... ... ... ... ... ... 39 below
uaf West Ridge... ... ... ... ... ... ... ... 37 below (new record)
meanwhile, the coldest place in the lower 48, Elly, Minnesota is sitting at 18F. not bad for this time of the year I say
Great research.
35 - 50 F below zero will get your attention that’s for sure (lol). What is the deepest cold in January you see in that region? I know parts of the Northwest Territory fall to -70 below in the coldest months.
One of the things I've notice over the years in the cold season (Nov – March) …is when the upper Midwest (ND, MN, WI) has mean monthly temps above normal – many areas in the rest of the USA will too. It’s not so surprising I guess, since all the very cold air masses that descend on USA enter the country from west of the Great Lakes and east of the Rockies. So when the pattern is more zonal (like it has been and looks to be for awhile) most of the really cold air passes to the north of the border and stays in Canada. It will be interesting to see what shapes up as we get ready to start meteorological winter in less than 2 weeks.
Yea, November 2009 was really warm in the northern tier. It would be hard for this November to beat Nov 2009.
One other thing that is interesting up in your area (and I had to check this, as I was sure it was not right when I first read it)....NWS Boston has not had an offical frost as of yesterday! According to NWS Boston - the last time there was a frost in Boston was on March 29th, 2011. Boston has now had 200 + frost=free days this year. I'm sure that the reporting station in Boston is right near the Atlantic or maybe downtown, but I guess one can make the case that continental climates near 40 latitude are really modified continental climates to some degree, but still that was a bit of a shocker.
I've known that for a while. I grew up in Long Island and then moved away and noticed a big difference in colder night temperatures. Until I left Long Island, I had never experienced a below zero temperature. It made me pay a bit more attention to weather and climate.
Yep. There's a huge difference between Boston and coastal Mass and the interior Massachusetts. The growing season is longer, and I had friends in Boston who'd complain about cold nights that we would get regularly. Going 5, maybe 10 miles and the ocean influence dies off. The ocean influence has a downside, too. In the spring time the ocean stays very cold, and there some days Boston is windy and in the 50s while it is warm and sunny (around 70) inland.
According to NWS Boston - the last time there was a frost in Boston was on March 29th, 2011. Boston has now had 200 + frost=free days this year. I'm sure that the reporting station in Boston is right near the Atlantic or maybe downtown, but I guess one can make the case that continental climates near 40 latitude are really modified continental climates to some degree, but still that was a bit of a shocker.
That does sound like a rather long frost free period (to me).
That date does surprise me too.
I definitely don't think of April as a frost free month where I live and the beginning of May is when I imagine one can "forget about" lows being at or below freezing.
I knew the Great Lakes area cities (Detroit, Chicago) were different from the east coast, but I didn't realize there was that great of a difference in mildness with Boston and it's latitude.
That does sound like a rather long frost free period (to me).
That date does surprise me too.
I definitely don't think of April as a frost free month where I live and the beginning of May is when I imagine one can "forget about" lows being at or below freezing.
I knew the Great Lakes area cities (Detroit, Chicago) were different from the east coast, but I didn't realize there was that great of a difference in mildness with Boston and it's latitude.
Here's we get mild frosts in May about half the time, and I'm at the same latitude as Boston in New England. It's really just the immediate coast. The airport's on a peninsula jutting out into the ocean.
Toronto has a longer frost free period than where I am cause you're next to Lake Ontario.
An air frost is when the air temperature at 1.5m goes below 0°C / 32°F, a ground frost happens when the ground surface goes below 0°C / 32°F, and when water vapour condenses and freezes onto the surface, given the right atmospheric conditions. The actual air temperature may be a few degrees higher, than freezing.
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