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Old March 28th 08, 12:40 PM posted to uk.sci.weather
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Default Boat Race weather ... a bit of a blow?

http://news.bbc.co.uk/sport1/hi/olym...ng/7318164.stm

.... the race starts ~ 1715GMT. Mean 10m wind speed from GFS at 18GMT
of some 20kn, and using this product ...

http://www2.wetter3.de/Animation_06_...Grad/36_25.gif

it looks as the gusts could be around the 40 kn mark, though I suspect
this might be overdoing things. However, even at, say, 30 knots,
conditions in the open areas of the River will be tricky to say the
least.

[BTW, quick conversion from km/hr to knots ...

divide km/hr figure by 2
add the *tens* figure of that result to itself ...
e.g., 80 km/hr - (divide /2) - 40 (add tens fig) -44 knots. ]

Martin.




--
Martin Rowley
E:
W: booty.org.uk



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Old March 28th 08, 02:25 PM posted to uk.sci.weather
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Default Boat Race weather ... a bit of a blow?


"Martin Rowley" schreef in bericht
...

: [BTW, quick conversion from km/hr to knots ...
:
: divide km/hr figure by 2
: add the *tens* figure of that result to itself ...
: e.g., 80 km/hr - (divide /2) - 40 (add tens fig) -44 knots. ]

Even quicker conversion from km/hr to knots
http://www.weatheronline.co.uk/windrpopup.html

Colin Youngs
Brussels


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Old March 28th 08, 02:30 PM posted to uk.sci.weather
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Default Boat Race weather ... a bit of a blow?

Colin Youngs wrote:
"Martin Rowley" schreef in bericht
...

: [BTW, quick conversion from km/hr to knots ...
:
: divide km/hr figure by 2
: add the *tens* figure of that result to itself ...
: e.g., 80 km/hr - (divide /2) - 40 (add tens fig) -44 knots. ]

Even quicker conversion from km/hr to knots
http://www.weatheronline.co.uk/windrpopup.html

Colin Youngs
Brussels



Quicker than that is to google 80km/hr in knots

i.e.

http://www.google.co.uk/search?hl=en...Search&meta =
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Old March 28th 08, 03:10 PM posted to uk.sci.weather
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Default Boat Race weather ... a bit of a blow?

.... indeed: however, the point was that if you are away from the
ubiquitous PC/Internet, then the conversion can be done (to a high
standard of accuracy) very quickly in the head!

Martin.


"jochta" wrote in message
...
Colin Youngs wrote:
"Martin Rowley" schreef in
bericht ...

: [BTW, quick conversion from km/hr to knots ...
:
: divide km/hr figure by 2
: add the *tens* figure of that result to itself ...
: e.g., 80 km/hr - (divide /2) - 40 (add tens fig) -44 knots. ]

Even quicker conversion from km/hr to knots
http://www.weatheronline.co.uk/windrpopup.html

Colin Youngs
Brussels



Quicker than that is to google 80km/hr in knots

i.e.

http://www.google.co.uk/search?hl=en...Search&meta =




--
Martin Rowley
E:
W: booty.org.uk


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Old March 28th 08, 03:57 PM posted to uk.sci.weather
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Default Boat Race weather ... a bit of a blow?

On 28 Mar, 15:10, "Martin Rowley"
wrote:
... indeed: however, the point was that if you are away from the
ubiquitous PC/Internet, then the conversion can be done (to a high
standard of accuracy) very quickly in the head!


Ah, but if you're really smart, you don't need conversions at all. I
can think in km/hr, mph, knots. Equally, I don't convert between
miles and kilometres. If I'm looking at an OS map, I think
kilometres. If driving, I think miles.

Mind you, I once hired a car from Norwich airport with a problem
odometer. Before I had even got as far as the southern outskirts of
Norwich (some 6 miles perhaps), the odometer was showing about 11
units. The speedometer was fine but due to a manufacturing mistake
(Friday afternoon car no doubt) the odometer obviously had been fitted
with the appropriate cogs to measure kilometres. Fortunately, the
hiring terms were by the day not by the "mile". I could imagine the
hassle of trying to persuade the hire company that the odometer was
wrong. I did tell them on returning the car but, surprise surprise,
they showed no interest whatsoever.

Jack



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Old March 28th 08, 05:14 PM posted to uk.sci.weather
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Default Boat Race weather ... a bit of a blow?

Jack ) wrote:

On 28 Mar, 15:10, "Martin Rowley"
wrote:
... indeed: however, the point was that if you are away from the
ubiquitous PC/Internet, then the conversion can be done (to a high
standard of accuracy) very quickly in the head!


Ah, but if you're really smart, you don't need conversions at all. I
can think in km/hr, mph, knots. Equally, I don't convert between
miles and kilometres. If I'm looking at an OS map, I think
kilometres. If driving, I think miles.

Mind you, I once hired a car from Norwich airport with a problem
odometer. Before I had even got as far as the southern outskirts of
Norwich (some 6 miles perhaps), the odometer was showing about 11
units. The speedometer was fine but due to a manufacturing mistake
(Friday afternoon car no doubt) the odometer obviously had been fitted
with the appropriate cogs to measure kilometres. Fortunately, the
hiring terms were by the day not by the "mile". I could imagine the
hassle of trying to persuade the hire company that the odometer was
wrong. I did tell them on returning the car but, surprise surprise,
they showed no interest whatsoever.

Jack


All this has reminded me of a taxi-driver friend who, when the Euro was
introduced, used his speedometer to convert from Euro to Sterling and vice
versa. I wouldn't be surprised to find he still does.

--
Graham P Davis, Bracknell, Berks., UK. E-mail: newsman, not newsboy.
"What use is happiness? It can't buy you money." [Chic Murray, 1919-85]
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Old March 28th 08, 08:55 PM posted to uk.sci.weather
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Default Boat Race weather ... a bit of a blow?

Martin Rowley wrote:
http://news.bbc.co.uk/sport1/hi/olym...ng/7318164.stm

... the race starts ~ 1715GMT. Mean 10m wind speed from GFS at 18GMT
of some 20kn, and using this product ...

http://www2.wetter3.de/Animation_06_...Grad/36_25.gif

it looks as the gusts could be around the 40 kn mark, though I suspect
this might be overdoing things. However, even at, say, 30 knots,
conditions in the open areas of the River will be tricky to say the
least.

[BTW, quick conversion from km/hr to knots ...

divide km/hr figure by 2
add the *tens* figure of that result to itself ...
e.g., 80 km/hr - (divide /2) - 40 (add tens fig) -44 knots. ]

Martin.




I wonder who will sink first!?
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Old March 28th 08, 10:11 PM posted to uk.sci.weather
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Posts: 691
Default Boat Race weather ... a bit of a blow?


"Neil" wrote in message
...


I wonder who will sink first!?


That's the only reason anybody watches the Boat Race to be honest,
hoping that someone will sink.

Same two teams in the final every year and all that
--
Col

Bolton, Lancashire
160m asl




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