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What do you find worse - dry heat or heat & humidity?



 
 
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  #1  
Old July 19th 19, 02:56 AM posted to rec.bicycles.tech
Sir Ridesalot
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Default What do you find worse - dry heat or heat & humidity?

Just wondering what others feel is worse. What do you think is worse, riding in a dry environment (desert) with 110F temperatures or riding in an area where the heat and humidity combine to give a temperature of 110F?

IO figure that at lest in t he desert sweat can evaporate and thus cool you but when there's really high humidity the sweat does NOT evaporate and thus you lose most of the cooling effect of sweating.

Opinions?

Cheers
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  #2  
Old July 19th 19, 03:15 AM posted to rec.bicycles.tech
AK[_2_]
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Posts: 226
Default What do you find worse - dry heat or heat & humidity?

On Thursday, July 18, 2019 at 8:56:58 PM UTC-5, Sir Ridesalot wrote:
Just wondering what others feel is worse. What do you think is worse, riding in a dry environment (desert) with 110F temperatures or riding in an area where the heat and humidity combine to give a temperature of 110F?

IO figure that at lest in t he desert sweat can evaporate and thus cool you but when there's really high humidity the sweat does NOT evaporate and thus you lose most of the cooling effect of sweating.

Opinions?

Cheers


I live where we see 90s and high humidity.

I frequently stop in stores about every 5 miles to cool off.

I once hiked up a mountain in New Mexico when it was around 95 F.

I did not sweat very much and it sure did not feel like 95.

Andy
  #3  
Old July 19th 19, 03:47 AM posted to rec.bicycles.tech
jOHN b.
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Posts: 2,421
Default What do you find worse - dry heat or heat & humidity?

On Thu, 18 Jul 2019 18:56:56 -0700 (PDT), Sir Ridesalot
wrote:

Just wondering what others feel is worse. What do you think is worse, riding in a dry environment (desert) with 110F temperatures or riding in an area where the heat and humidity combine to give a temperature of 110F?


When I was stationed at Edwards AFT in the Mojave Desert a couple of
"rock hounds" were prospecting north of the major highway that runs
east and west north of the air base. Their jeep broke down in sight of
the highway and they tried to walk out in the middle of the day -
maybe two miles at most. they never made it.

So I'd say that cycling even walking a arid area is extremely
dangerous. Or perhaps should be said to require proper planning.
Here in the middle of the day the temperature might be in the 100
degree range but with high humidity and I might be coming home from a
long ride. I certainly slow down but it is doable with plenty of water
bottles.

At Edwards, coming back from lunch, say 13:00, walking in from the
parking lot to the shop - maybe a hundred yards, you didn't appear to
sweat not at all. Of course you did sweat but it evaporated so quickly
that even your arm pits didn't seem to be wet :-)


IO figure that at lest in t he desert sweat can evaporate and thus cool you but when there's really high humidity the sweat does NOT evaporate and thus you lose most of the cooling effect of sweating.

Opinions?

Cheers

--
cheers,

John B.

  #4  
Old July 19th 19, 03:53 AM posted to rec.bicycles.tech
Frank Krygowski[_2_]
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Posts: 7,511
Default What do you find worse - dry heat or heat & humidity?

On Thursday, July 18, 2019 at 9:56:58 PM UTC-4, Sir Ridesalot wrote:
Just wondering what others feel is worse. What do you think is worse, riding in a dry environment (desert) with 110F temperatures or riding in an area where the heat and humidity combine to give a temperature of 110F?

IO figure that at lest in t he desert sweat can evaporate and thus cool you but when there's really high humidity the sweat does NOT evaporate and thus you lose most of the cooling effect of sweating.

Opinions?


I've ridden both. I can put up with the desert heat much more easily.

And while it's just a theory, I think I'm more likely to get dehydrated in the
hot, humid conditions. Cramps, too. I think I actually pump out more sweat, but
it still doesn't cool me.

Related:
https://www.wrh.noaa.gov/psr/general.../heatindex.png

https://www.wpc.ncep.noaa.gov/html/heatindex.shtml

and https://www.nytimes.com/2019/07/18/u...eat-index.html (which some
won't click.)

- Frank Krygowski

  #5  
Old July 19th 19, 03:38 PM posted to rec.bicycles.tech
Theodore Heise[_2_]
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Posts: 132
Default What do you find worse - dry heat or heat & humidity?

On Thu, 18 Jul 2019 19:15:38 -0700 (PDT),
AK wrote:
On Thursday, July 18, 2019 at 8:56:58 PM UTC-5, Sir Ridesalot wrote:
Just wondering what others feel is worse. What do you think is worse, riding in a dry environment (desert) with 110F temperatures or riding in an area where the heat and humidity combine to give a temperature of 110F?

IO figure that at lest in t he desert sweat can evaporate and
thus cool you but when there's really high humidity the sweat
does NOT evaporate and thus you lose most of the cooling
effect of sweating.

Opinions?


I prefer the lower humidity setting, because it is much more
comfortable for me. No problem with sweat dripping down on my
glasses and into my eyes, and less risk of overheating.

In lower humidity riding I do have to be more mindful of drinking
regularly. Without sweat buildup as an indicator, my tendency is
to lose track of (or not appreciate) the great amount of fluid I'm
actually losing through sweating (that quickly evaporates).


I live where we see 90s and high humidity.

I frequently stop in stores about every 5 miles to cool off.

I once hiked up a mountain in New Mexico when it was around 95
F.

I did not sweat very much and it sure did not feel like 95.


I'd be inclined to think you probably sweated quite a lot on that
mountain hike, but were just not very aware of it because it
evaporated so quickly.

--
Ted Heise West Lafayette, IN, USA
  #6  
Old July 20th 19, 03:39 AM posted to rec.bicycles.tech
Joy Beeson
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Posts: 1,638
Default What do you find worse - dry heat or heat & humidity?

On Fri, 19 Jul 2019 09:47:51 +0700, John B.
wrote:

At Edwards, coming back from lunch, say 13:00, walking in from the
parking lot to the shop - maybe a hundred yards, you didn't appear to
sweat not at all. Of course you did sweat but it evaporated so quickly
that even your arm pits didn't seem to be wet :-)


Last millenium, I went on many a ride where my first clue that I'd
been sweating was finding my face gritty with salt.

And other times .. . on one ride, my sweat shorted out my wrist watch.

I remember climbing a hill and being both cold and sweaty. I think
the humidity was condensing on me.

Supposed to be 95 F tomorrow. I'm taking two bottles of tea,
starch-sugar-and-vinegar water to add to water picked up along the
way, and five sandwich bags of ice.

This will be my first group ride in twenty years.

--
Joy Beeson
joy beeson at comcast dot net
http://wlweather.net/PAGEJOY/



  #7  
Old July 20th 19, 04:25 AM posted to rec.bicycles.tech
jOHN b.
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Posts: 2,421
Default What do you find worse - dry heat or heat & humidity?

On Fri, 19 Jul 2019 22:39:11 -0400, Joy Beeson
wrote:

On Fri, 19 Jul 2019 09:47:51 +0700, John B.
wrote:

At Edwards, coming back from lunch, say 13:00, walking in from the
parking lot to the shop - maybe a hundred yards, you didn't appear to
sweat not at all. Of course you did sweat but it evaporated so quickly
that even your arm pits didn't seem to be wet :-)


Last millenium, I went on many a ride where my first clue that I'd
been sweating was finding my face gritty with salt.

And other times .. . on one ride, my sweat shorted out my wrist watch.

I remember climbing a hill and being both cold and sweaty. I think
the humidity was condensing on me.

Supposed to be 95 F tomorrow. I'm taking two bottles of tea,
starch-sugar-and-vinegar water to add to water picked up along the
way, and five sandwich bags of ice.

This will be my first group ride in twenty years.


The usually estimate is about between 27 ounces and 47 ounces of
water lost per hour when exercising. or what? 1.6 to 3 pints per hour.

In hot humid weather in S. Thailand it was fairly common for me to
lose a kilogram in weight over a 2 - 3 hour ride even when drinking
2.5 litres of water.
--
cheers,

John B.

  #8  
Old July 20th 19, 05:04 AM posted to rec.bicycles.tech
pH
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Posts: 77
Default What do you find worse - dry heat or heat & humidity?

On Friday, July 19, 2019 at 7:39:13 PM UTC-7, Joy Beeson wrote:
On Fri, 19 Jul 2019 09:47:51 +0700, John B.
wrote:

At Edwards, coming back from lunch, say 13:00, walking in from the
parking lot to the shop - maybe a hundred yards, you didn't appear to
sweat not at all. Of course you did sweat but it evaporated so quickly
that even your arm pits didn't seem to be wet :-)


Last millenium, I went on many a ride where my first clue that I'd
been sweating was finding my face gritty with salt.

And other times .. . on one ride, my sweat shorted out my wrist watch.

I remember climbing a hill and being both cold and sweaty. I think
the humidity was condensing on me.

Supposed to be 95 F tomorrow. I'm taking two bottles of tea,
starch-sugar-and-vinegar water to add to water picked up along the
way, and five sandwich bags of ice.

This will be my first group ride in twenty years.

--
Joy Beeson
joy beeson at comcast dot net
http://wlweather.net/PAGEJOY/


Huzzah!
We will be hoping for a full report at rec.bicycles.rides or here.
Hope all goes well and that you don't get too irritated with having to wait for everyone to catch up all the time.

pH in Aptos, CA

  #9  
Old July 20th 19, 02:09 PM posted to rec.bicycles.tech
AMuzi
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Posts: 13,447
Default What do you find worse - dry heat or heat & humidity?

On 7/19/2019 9:39 PM, Joy Beeson wrote:
On Fri, 19 Jul 2019 09:47:51 +0700, John B.
wrote:

At Edwards, coming back from lunch, say 13:00, walking in from the
parking lot to the shop - maybe a hundred yards, you didn't appear to
sweat not at all. Of course you did sweat but it evaporated so quickly
that even your arm pits didn't seem to be wet :-)


Last millenium, I went on many a ride where my first clue that I'd
been sweating was finding my face gritty with salt.

And other times .. . on one ride, my sweat shorted out my wrist watch.

I remember climbing a hill and being both cold and sweaty. I think
the humidity was condensing on me.

Supposed to be 95 F tomorrow. I'm taking two bottles of tea,
starch-sugar-and-vinegar water to add to water picked up along the
way, and five sandwich bags of ice.

This will be my first group ride in twenty years.


There's the spirit! Best wishes, report back!

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


  #10  
Old July 20th 19, 07:27 PM posted to rec.bicycles.tech
Theodore Heise[_2_]
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Posts: 132
Default What do you find worse - dry heat or heat & humidity?

On Fri, 19 Jul 2019 22:39:11 -0400,
Joy Beeson wrote:
On Fri, 19 Jul 2019 09:47:51 +0700, John B.
wrote:

At Edwards, coming back from lunch, say 13:00, walking in from
the parking lot to the shop - maybe a hundred yards, you
didn't appear to sweat not at all. Of course you did sweat but
it evaporated so quickly that even your arm pits didn't seem
to be wet :-)


Last millenium, I went on many a ride where my first clue that
I'd been sweating was finding my face gritty with salt.


Yep, I've seen this too. And shorts that have white streaks on
them from the salt residue of evaporated sweat.


And other times .. . on one ride, my sweat shorted out my wrist
watch.

I remember climbing a hill and being both cold and sweaty. I
think the humidity was condensing on me.

Supposed to be 95 F tomorrow. I'm taking two bottles of tea,
starch-sugar-and-vinegar water to add to water picked up along
the way, and five sandwich bags of ice.


I think you may also be in Indiana? I went out this morning at 7.
One of my full water bottles was frozen solid when I started, and
was thawed and warm in an hour.


This will be my first group ride in twenty years.


Hope it goes well!

--
Ted Heise West Lafayette, IN, USA
 




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