There seems to be an expanding area of -ve anomaly SST north east of
Iceland stretching north and east into the Arctic. this is a major
change of phase as this area has had a highly +'ve anomaly for the
last 2 years.

https://www.fnmoc.navy.mil/products/...sstanomaly.gif

I don't know if this will have any effect on weather systems as you
would expect if it was further west. However I would suggest that if a
northerly was to set in it would be potentialy colder than in recent
years.

===============================================
simon sheaf
sheffield south yorkshire
http://www.anycities.com/user/yorkshireweather
===============================================

Simon.
I believe thats exactly what we are currently experiencing, as I cannot
remember a northerly wind being so cold in October as it was today at
lunchtime. At a guess with the absence of a thermometer I would have
suggested it was around 4 Deg C, but on arriving home some 15 minutes later
was suprised to see that it was actually 8 Deg C. so it just goes to show
the effect the wind can have.

Regards. Len
"Simon S" wrote in message
m...
There seems to be an expanding area of -ve anomaly SST north east of
Iceland stretching north and east into the Arctic. this is a major
change of phase as this area has had a highly +'ve anomaly for the
last 2 years.


https://www.fnmoc.navy.mil/products/...sstanomaly.gif

I don't know if this will have any effect on weather systems as you
would expect if it was further west. However I would suggest that if a
northerly was to set in it would be potentialy colder than in recent
years.

===============================================
simon sheaf
sheffield south yorkshire
http://www.anycities.com/user/yorkshireweather
===============================================

Actually you could argue that because of the present warming the current
airstream is significantly warmer than its 18th and 19th century
counterparts. For instance with a max of 7C or 8C today this would be
several degrees colder in the 19th century. In 1836 maxima were close to or
below freezing during the last week in October and maxima in 1880 were not
far from freezing with heavy snow on low ground. I could cite you a number
of other examples. In say 1888 the temperature of the sea in the vicinity of
the Shetlands, currently 10C, would be more like 4C-5C or lower.
The present dry ground which still prevails in many parts even though there
was some heavy rain around yesterday makes for stronger radiative cooling
especially as the sun is quite low in the sky now.
Ian Currie
www.Frostedearth.com
Try Weather eye mag.


"weather man" wrote in message
...
Simon.
I believe thats exactly what we are currently experiencing, as I cannot
remember a northerly wind being so cold in October as it was today at
lunchtime. At a guess with the absence of a thermometer I would have
suggested it was around 4 Deg C, but on arriving home some 15 minutes
later
was suprised to see that it was actually 8 Deg C. so it just goes to show
the effect the wind can have.

Ian.
I am afraid that I was not around in the 1880s but I am sure that what you
are quoting is perfectly true.
The point I am trying to make is today felt a lot colder than this time in
recent Octobers.
"Ian Currie" wrote in message
...
Actually you could argue that because of the present warming the current
airstream is significantly warmer than its 18th and 19th century
counterparts. For instance with a max of 7C or 8C today this would be
several degrees colder in the 19th century. In 1836 maxima were close to
or
below freezing during the last week in October and maxima in 1880 were not
far from freezing with heavy snow on low ground. I could cite you a number
of other examples. In say 1888 the temperature of the sea in the vicinity
of
the Shetlands, currently 10C, would be more like 4C-5C or lower.
The present dry ground which still prevails in many parts even though
there
was some heavy rain around yesterday makes for stronger radiative cooling
especially as the sun is quite low in the sky now.
Ian Currie
www.Frostedearth.com
Try Weather eye mag.


"weather man" wrote in message
...
Simon.
I believe thats exactly what we are currently experiencing, as I cannot
remember a northerly wind being so cold in October as it was today at
lunchtime. At a guess with the absence of a thermometer I would have
suggested it was around 4 Deg C, but on arriving home some 15 minutes
later
was suprised to see that it was actually 8 Deg C. so it just goes to
show
the effect the wind can have.

In uk.sci.weather on Thu, 23 Oct 2003 at 21:38:45, Ian Currie wrote :

In 1836 maxima were close to or
below freezing during the last week in October and maxima in 1880 were not
far from freezing with heavy snow on low ground.

I'll check Cheltenham in Oct 1880 next time.
--
Paul Hyett, Cheltenham

Email to pahyett[AT]activist[DOT]demon[DOT]co[DOT]uk

In uk.sci.weather on Fri, 24 Oct 2003 at 07:34:00, Vidcapper wrote :
In uk.sci.weather on Thu, 23 Oct 2003 at 21:38:45, Ian Currie wrote :

In 1836 maxima were close to or
below freezing during the last week in October and maxima in 1880 were not
far from freezing with heavy snow on low ground.

I'll check Cheltenham in Oct 1880 next time.

No maxima below 42F in Oct 1880.
--
Paul Hyett, Cheltenham

Email to pahyett[AT]activist[DOT]demon[DOT]co[DOT]uk

In answer to Paul[Vidcapper],
That is because Cheltenham was out of the main snow area. In Kent and Surrey
along the Downs snow reached a depth of around 30cm and this held down
maxima as well as the continuous snowfall. Max at Kew not far above sea
level was just 4.4C and here snow depth was only a few cms. If you want some
other low October maxima to look up try the last week of 1895 and 1896. 42F
though Paul is still a low max for October by recent standards. Incidentally
max on 29th October 1836 was minus 0.5C near Leatherhead in continuous snow
with a min of around minus 5C.

Ian Currie-Coulsdon
www.Frostedearth.com



"Vidcapper" wrote in message
...
In uk.sci.weather on Fri, 24 Oct 2003 at 07:34:00, Vidcapper wrote :
In uk.sci.weather on Thu, 23 Oct 2003 at 21:38:45, Ian Currie wrote :

In 1836 maxima were close to or
below freezing during the last week in October and maxima in 1880 were
not
far from freezing with heavy snow on low ground.

I'll check Cheltenham in Oct 1880 next time.

No maxima below 42F in Oct 1880.
--
Paul Hyett, Cheltenham

Email to pahyett[AT]activist[DOT]demon[DOT]co[DOT]uk

In uk.sci.weather on Tue, 28 Oct 2003 at 11:24:57, Ian Currie wrote :
In answer to Paul[Vidcapper],
That is because Cheltenham was out of the main snow area. In Kent and Surrey
along the Downs snow reached a depth of around 30cm and this held down
maxima as well as the continuous snowfall. Max at Kew not far above sea
level was just 4.4C and here snow depth was only a few cms. If you want some
other low October maxima to look up try the last week of 1895 and 1896.

I posted about those 2 years just a week ago :

'Oct 29 1896 peaked at just 3.9°C here in Cheltenham (my archive-
trawling pays off), and 26/10/1895 peaked at 4.0°C.'
--
Paul Hyett, Cheltenham

Email to pahyett[AT]activist[DOT]demon[DOT]co[DOT]uk

"Paul Hyett" wrote
snip
I posted about those 2 years just a week ago :

'Oct 29 1896 peaked at just 3.9°C here in Cheltenham

Just as a general point, I've always wondered - just how did weather
stations measure temperature down to one decimal place in the 1890s etc. and
how reliable were the readings?

- Tom

"Tom Bennett" wrote in message
...
"Paul Hyett" wrote
snip
I posted about those 2 years just a week ago :

'Oct 29 1896 peaked at just 3.9°C here in Cheltenham

Just as a general point, I've always wondered - just how did weather
stations measure temperature down to one decimal place in the 1890s etc.
and
how reliable were the readings?

- Tom




I think they are conversions from degrees F. 3.9C=39F

joe.
www.weatherwise.org.uk