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Gussio · June 2007

For weathermen who want to predict prevailing breezes: the wind is guaranteed to be blowing in my face first thing in the morning followed by a 180 degree shift at hometime, when it will also be blowing in my face.

*sigh*

pw1brown · June 2007

Sometimes there's a good reason for that - sea breezes. In the morning the wind will tend to blow TOWARDS the sea, in the afternoon and evening it'll tend to blow AWAY FROM the sea. The effect is often hidden by the prevailing weather, but is often noticeable on a typical summer day.

Do you cycle away from the sea in the morning and towards it in the evening?

dondare · June 2007

Does that for me as well. What would happen if we cycled off in different directions?

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dondare · June 2007

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by pw1brown

Sometimes there's a good reason for that - sea breezes. In the morning the wind will tend to blow TOWARDS the sea, in the afternoon and evening it'll tend to blow AWAY FROM the sea. The effect is often hidden by the prevailing weather, but is often noticeable on a typical summer day.

Do you cycle away from the sea in the morning and towards it in the evening?
<hr height="1" noshade id="quote"></blockquote id="quote">
The wind will also change direction during the day when an anticyclone passes across the country, which is typical British weather. The old-fashioned weather forecasts used to show these but the fancy new ones don't.

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Gussio · June 2007

Dondare - interesting concept. Similar to the conundrum of what happens if you drop a cat from the top of a house with a slice of buttered toast tied to its back, butterside up. Since the universal laws of physics state that buttered toast will always land butterside down and a cat will always land on its feet, will the cat simply float as a result of the opposing laws?

Hackbike 6 · June 2007

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by pw1brown

Sometimes there's a good reason for that - sea breezes. In the morning the wind will tend to blow TOWARDS the sea, in the afternoon and evening it'll tend to blow AWAY FROM the sea. The effect is often hidden by the prevailing weather, but is often noticeable on a typical summer day.

Do you cycle away from the sea in the morning and towards it in the evening?
<hr height="1" noshade id="quote"></blockquote id="quote">

Sounds like sod's law to me.[:(!]

Hackbike 8 Commuting Debut 09/09/2006Dawes Audax 2006 New 20/09/2006 

 Cycle Commuting since 1981 

Cycling Proficiency Test 24 May 1977 (30 years ago)

 Ride to work part 1 of 8 http://tinyurl.com/ypjapc
Ride to work part 2 of 8 http://tinyurl.com/2jfagu
Ride to work part 3 of 8 http://tinyurl.com/2jcldv 

How not to lock a bike. http://i14.tinypic.com/52355zr.jpg

Hairy Jock · June 2007

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by pw1brown

Sometimes there's a good reason for that - sea breezes. In the morning the wind will tend to blow TOWARDS the sea, in the afternoon and evening it'll tend to blow AWAY FROM the sea. The effect is often hidden by the prevailing weather, but is often noticeable on a typical summer day.

Do you cycle away from the sea in the morning and towards it in the evening?
<hr height="1" noshade id="quote"></blockquote id="quote">

Well I was cycling north and east this morning (towards the sea), and south and west this evening (away from the sea). Head wind in both directions, next theory?

A hirsute Scotsman.

**************

Best advice I ever got was "better get a bike then"
Cycle commuting since 1994. Blog with cycle bits.

DavidTQ · June 2007

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by pw1brown

Sometimes there's a good reason for that - sea breezes. In the morning the wind will tend to blow TOWARDS the sea, in the afternoon and evening it'll tend to blow AWAY FROM the sea. The effect is often hidden by the prevailing weather, but is often noticeable on a typical summer day.

Do you cycle away from the sea in the morning and towards it in the evening?
<hr height="1" noshade id="quote"></blockquote id="quote">

That explains perfectly why I get headwinds both ways so often, I thought I was just imagining it. I live close to the seafront in a seaside town and commute inland, ah well its all good exercise right?

Roastie · June 2007

I has the most sensational tailwind blowing me in to the station this afternoon.

Hackbike 6 · June 2007

Must be too many beans.[:P]

Hackbike 8 Commuting Debut 09/09/2006Dawes Audax 2006 New 20/09/2006 

 Cycle Commuting since 1981 

Cycling Proficiency Test 24 May 1977 (30 years ago)

 Ride to work part 1 of 8 http://tinyurl.com/ypjapc
Ride to work part 2 of 8 http://tinyurl.com/2jfagu
Ride to work part 3 of 8 http://tinyurl.com/2jcldv 

How not to lock a bike. http://i14.tinypic.com/52355zr.jpg

Archcp · June 2007

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Hairy Jock

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by pw1brown

Sometimes there's a good reason for that - sea breezes. In the morning the wind will tend to blow TOWARDS the sea, in the afternoon and evening it'll tend to blow AWAY FROM the sea. The effect is often hidden by the prevailing weather, but is often noticeable on a typical summer day.

Do you cycle away from the sea in the morning and towards it in the evening?
<hr height="1" noshade id="quote"></blockquote id="quote">

Well I was cycling north and east this morning (towards the sea), and south and west this evening (away from the sea). Head wind in both directions, next theory?

A hirsute Scotsman.

**************

Best advice I ever got was "better get a bike then"
Cycle commuting since 1994. Blog with cycle bits.
<hr height="1" noshade id="quote"></blockquote id="quote">

Ah, well, that's just nature's way of telling you to get a job in the opposite direction...[;)]

Dondare, if you and Gussio ever try that, it could be chaos - typhoon winds in all directions... Don't do it!

If I had a baby elephant, it could help me clean the car. If I had a car.

speshcp · June 2007

In all cases (particularly HairyJock's) described in this thread, what you are experiencing is the bi-directional oppposing headwind (BDOH), perhaps the best-known of all cyclo-mathematical phenomena. [:D]

<hr noshade size="1">"Two things are infinite: the universe and human stupidity; and I'm not sure about the universe." (Albert Einstein)

Jacomus-rides-Gen · June 2007

Superb! That is brilliant.

Perhaphs finding that both funny and being able to allude to all the examples in it should quality for the "You know you're a real cyclist when..." thread!

_________________________
Quote: "25mph is pretty fast when you aren't wearing a car..."

goo_mason · June 2007

It's 99.99% guaranteed that it'll be a headwind when I'm cycling west in the morning and east in the evening [:(!]

It's always especially bad along the Bankhead / Broomhouse Wind Tunnel - open, flat and the wind just whistles down there. The one time this year that there was a good tailwind, I hit 28mph on the flat along it with no effort involved. I had to brake to stay still at the lights, as I was being pushed forward wih some force.

Cheers !

Grant
Three From Leith podcast
www.threefromleith.com

Martin rower7 · June 2007

A bit OT, but related to mathematical hypotheses - if you put instant coffee in a microwave, would you go back in time ?!

(thanks to Steven Wright)

........................

You're just jealous because the voices are talking to me.

DavidTQ · June 2007

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Martin rower7

A bit OT, but related to mathematical hypotheses - if you put instant coffee in a microwave, would you go back in time ?!

(thanks to Steven Wright)

........................

You're just jealous because the voices are talking to me.
<hr height="1" noshade id="quote"></blockquote id="quote">

Probably not but on drinking it theres a chance you might wish you could [:)].

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