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Last thursday, a brazillian town named Urubici got a high of -0.1ºC or 31ºF. It's very very rare to happen, last time was back in 2000, when São Joaquim, coldest of our cities, set -2.4ºC(28ºF), the coldest high ever set over Brazillian soil.
The town of St Arnuad which is 600 metres above sea level and about 100km from here, had a max of -2C/28F about 2 weeks ago. Most years would see highs near or below zero on 1 or 2 days a winter there. A friend and I were hunting last week and left the thermometer by the truck as the frost was so heavy. When we left at 2 pm it was still -1C/30F, and likely wouldn't have gotten any warmer. This was only about 100 metres asl and about 15 km inland, but in a seriously shaded frost spot. I was working about 50 km inland about 5 winters ago and recorded (I always have a couple of thermometers in the truck) -9C/18F in the morning and it was still -3C/26F when I left at about 1 pm. Highs of 0C aren't that unusual in the South Island away from the coast.
The coldest I could find for here at sea level, was a day in 1975 which had a low of -4 and a high of 3C and averaged out at -1C for the day. Nasty stuff.
I know there are mountains in South Africa high enough to ski on occasionally - I highly doubt any town would be high enough to get an ice day at 30 latitude or whatever it goes down to, but does anyone know the lowest high ever recorded in SA or anywhere particularly cold there? Not southern hemisphere I know, but it would be interesting what the lowest recorded high in any proper settlement in Africa as a whole - could a town up in the Atlas mountains have had an ice day perhaps?
Australia is a very interesting place. I have a few cousins who live there. I think the very interior of Australia, in this case the Outback, is where subfreezing temperatures can occur. Can someone confirm? Thanks
Subfreezing maximum temps have not occurred in the interior of the continent.
Alice Springs has recorded -7.5C minimums, but the lowest maximum is around 6C which I believe occurred last winter.
Lowest maximum at Yulara, near Uluru (Ayers Rock) -which is often termed the ""Red Centre"" - is also 6C.
Here is the climate data for January 2011 for Vancouver International Airport. It seemed like a fairly average month as far as temperatures go. I wonder how this compares to the coldest towns in the Southern Hemisphere in your typical July?
Here is the climate data for January 2011 for Vancouver International Airport. It seemed like a fairly average month as far as temperatures go. I wonder how this compares to the coldest towns in the Southern Hemisphere in your typical July?
Looks similar to somewhere like Canberra, but Canberra very rarely records maximum temps below 5C.
Probably more comparable to Oberon or Guyra, the coldest towns in NSW.
Eg July in Oberon, and Guyra:
Forgot about Canberra, which has some fairly impressive "minimum" temperatures in winter, here is July:
http://www.bom.gov.au/climate/dwo/201107/html/IDCJDW2801.201107.shtml (broken link)
Here is the climate data for January 2011 for Vancouver International Airport. It seemed like a fairly average month as far as temperatures go. I wonder how this compares to the coldest towns in the Southern Hemisphere in your typical July?
I noticed that this past winter (Dec – Feb) there was only 1 day (in Feb) that Vancouver had a sub-freezing high. I know I’m only stating the obvious – but one thing that seems worth noting about the issue of subfreezing highs… is the massive advantage that highly marine and/or immediate coastal locations have over inland areas when it comes to seeing daylight high above freezing.
This past winter was a good example:
Despite record cold from one end of the USA to the other and several bouts when the jet stream dipped into the lower latitudes and caused severe cold outbreaks in places like Arizona, Texas, and the Southeast – few immediate coastal areas had highs that failed to reach freezing. From what I could see - not a single NWS station along the West Coast (below Seattle), Gulf Coast, and lower East Coast (North Carolina southward) had a single subfreezing high. Even stations as far north as Virginia Beach, VA and Salisbury, Maryland had less than 8 days when the daily high did not get above freezing. Yet, we know that interior and highland locations well to the south of these regions had several subfreezing highs this past winter. Parts of the highlands in central AZ had temps near 15 F…parts of the north Georgia Mts fell into the teens…and northern Texas had a severe bout of freezing temps.
I guess my point is that when you consider the highly marine nature of many of the southern Hemisphere cities…it’s not really all that strange that so few cities at/near sea level in the southern Hemisphere see subfreezing highs. The oceans edge can be a great modifier of temps.
Here is the climate data for January 2011 for Vancouver International Airport. It seemed like a fairly average month as far as temperatures go. I wonder how this compares to the coldest towns in the Southern Hemisphere in your typical July?
70% of earth's landmass lies on north hemisphere. It explains all...
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