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Hottest January day. Ever.

By johnboy - 18 January 2013 43

The ABC has the intriguing news that today has been hotter than any other recorded day in January at 41.6 degrees.

The all time record is for a February day at 42.2 in 1968.

What’s Your opinion?


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43 Responses to
Hottest January day. Ever.
desertdreaming 8:36 pm 18 Jan 13

The severity of the recent run of high heat and low humidity is frequently illuminated by comparisons to the ‘records’. If our weather records in southern Australia reliably go back some 160 years(or less?), how do we know that the summers of 1761, 1712, 1681 and 1659 weren’t just as hot or hotter? It seems like we are always framing the climate change arguments against weather records that go back a few hundred years (and much less in Australia) so while we can reliably say the Earth surface temperature has warmed one degree since 1890, how do we really know that the Earth didn’t warm by 2 degrees in the 16th century, only to slowly cool by another 3 degrees to 1890,and then….? Would like that explained

DrKoresh 7:11 pm 18 Jan 13

Oops! stuffed up the quotes in that last one, Dungfungus is the 1st paragraph, 2nd is me and Jethro has nothing to do with it.

DrKoresh 7:09 pm 18 Jan 13

dungfungus said :

Jethro said :

Scientists are not the only people who collect and analyse data either so why should their claims be weightier than other people? I don’t believe it is getting warmer either and hot spells such as we are experiencing now have happened before and will happen again. We are probably becoming more aware of the weather (climate variation as the professionals call it) because most of us live in an aiconditioned world so when we do venture out into the open we are acutely aware of it. In other words, we are becoming wimps.

Thanks for that Grandpa, but saying that “scientists are not the only people who collect and analyse data” is like saying that surgeons aren’t the only ones who can cut open a body. To discredit the global consensus of the scientific community regarding climate change on the basis that other unqualified (not to mention idiotic and denialist) people can draw their own bullshit conclusions from the data is like going to the butcher for triple-bypass surgery because, hey, surgeons aren’t the only ones who know how to cut up a body.

DrKoresh 6:59 pm 18 Jan 13

Roundhead89 said :

No it’s not getting warmer. I have in my possession the Daily Telegraph dated 2nd Feb 1977 with the front page banner headline “FIERCE 40s FIRE HAVOC”.

It’s just a normal Aussie summer. We’re just noticing the sun and heat more this time because of the last two cold, wet La Nina summers.

So you’re standing behind a Daily Tele headline from forty years ago? I wouldn’t wipe my gentle under regions with the Telegraph, let alone use it as the foundation of a scientific argument.

bundah 6:58 pm 18 Jan 13

johnboy said :

http://theconversation.edu.au/whats-causing-australias-heat-wave-11628

That sums it up rather nicely.

Comic_and_Gamer_Nerd 6:55 pm 18 Jan 13

LSWCHP said :

So where are all the folks who pop up on cold days and rabbit on about global warming being bogus?

It seems to me that things are getting hotter around here. I don’t know how much is anthropogenic, and how much is just due to The Great Scheme of Things, but getting warmer it is.

Let’s be honest. Those people are halfwits who don’t believe in science, even when backed up by hard facts.

dungfungus 6:43 pm 18 Jan 13

Jethro said :

Roundhead89 said :

No it’s not getting warmer.

I think you will find that the actual scientists who collect and analyse the data will disagree with you on that one.

Scientists are not the only people who collect and analyse data either so why should their claims be weightier than other people? I don’t believe it is getting warmer either and hot spells such as we are experiencing now have happened before and will happen again. We are probably becoming more aware of the weather (climate variation as the professionals call it) because most of us live in an aiconditioned world so when we do venture out into the open we are acutely aware of it. In other words, we are becoming wimps.

Jethro 6:19 pm 18 Jan 13

Roundhead89 said :

No it’s not getting warmer.

I think you will find that the actual scientists who collect and analyse the data will disagree with you on that one.

Cimexus 6:05 pm 18 Jan 13

It is indeed getting warmer. This can be measured objectively (global average surface temperatures show a significant and consistent upwards trend in the last century, accelerating in the last few decades). This is of course the data that actually means something – single hot or cold days/weeks/months in specific locations doesn’t mean anything.

But even without that, there are plenty of websites out there that collate temperature records (daily, monthly and all-time records) and will generate you a list of “records recently broken”. Yes you still get cold records falling (e.g. last month in Canberra we broke the coldest December minimum on record), but heat records (across any duration of time) outnumber cold records roughly 2:1, and this is consistent across all areas on earth.

The world is warming and a significant proportion, if not all, is due to human activity. I’m not one of the complete alarmists that foresees cities falling into the ocean or the 6+ C rises predicted by some, but it’s warmed 1 C over the last 100 years and it will rise at least another 2 C this century, probably more. This doesn’t mean everywhere warms equally – some will warm more, some less, some not at all. But even a fraction of a degree is highly significant when you’re talking average global surface temperature – these figures are based on tens of thousands of locations and millions of data points, so any local anomalies cancel each other out and you are left with a definite trend upwards.

johnboy 5:59 pm 18 Jan 13
Roundhead89 5:57 pm 18 Jan 13

LSWCHP said :

So where are all the folks who pop up on cold days and rabbit on about global warming being bogus?

It seems to me that things are getting hotter around here. I don’t know how much is anthropogenic, and how much is just due to The Great Scheme of Things, but getting warmer it is.

No it’s not getting warmer. I have in my possession the Daily Telegraph dated 2nd Feb 1977 with the front page banner headline “FIERCE 40s FIRE HAVOC”.

It’s just a normal Aussie summer. We’re just noticing the sun and heat more this time because of the last two cold, wet La Nina summers.

LSWCHP 5:54 pm 18 Jan 13

Cimexus said :

Another interesting thing about today is the diurnal range. The low this morning was 13.6, and the high was 41.6, for a difference of 28 C.

That is exceptionally large and indeed only 0.4 C off the all-time largest diurnal range measured in Canberra (which is tied by two days: 8.8 to 37.2 on 6/1/1950 and 8.9 to 37.3 on 5/2/1952, both being 28.4 C ranges)

Large indeed. I was out watering my tomatoes about 7am and it was bloody lovely. Then I went out to get some lunch about 12:30, and it was hotter than the hubcaps of hell. And it’s not exactly chilly at the moment either.

I believe tomorrow is predicted to be fairly mild with a top around 28, and that will be very welcome.

LSWCHP 5:51 pm 18 Jan 13

So where are all the folks who pop up on cold days and rabbit on about global warming being bogus?

It seems to me that things are getting hotter around here. I don’t know how much is anthropogenic, and how much is just due to The Great Scheme of Things, but getting warmer it is.

Cimexus 5:45 pm 18 Jan 13

Another interesting thing about today is the diurnal range. The low this morning was 13.6, and the high was 41.6, for a difference of 28 C.

That is exceptionally large and indeed only 0.4 C off the all-time largest diurnal range measured in Canberra (which is tied by two days: 8.8 to 37.2 on 6/1/1950 and 8.9 to 37.3 on 5/2/1952, both being 28.4 C ranges)

MERC600 5:40 pm 18 Jan 13

Interesting time for stats. Last month the following happened

December 6, 2012
Coldest December morning on record
“”The mercury in Canberra plummeted to 0.3 of a degree overnight – the coldest December minimum on record….””

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