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Re: Sometimes people believe things that are nonsense

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On 7/6/2016 12:33 AM, Michael J. Strickland wrote:
> On Sun, 3 Jul 2016 10:13:32 -0700 (PDT), James McGinn
> <jimmcginn9@gmail.com> wrote:
>
> ...
>> The most stupefying myth in all of meteorology is the myth that steam can persist in our atmosphere.

> Steam is water vapor above air saturation density. The steam coming
> out of a kettle is opaque because it is well over saturation density
> (>> 100% humidity) and pushes the air aside as it exits. Technically,
> its not persisting in the atmosphere since it has purged the
> atmosphere from its vicinity. As it spreads out, colliding and mixing
> with the heavier air molecules, it loses kinetic energy (cools) due to
> the work it does against atmospheric pressure. By the time it reaches
> saturation density (100% humidity) it has become translucent (almost
> transparent) instead of opaque. If its density increases beyond
> saturation due to a pressure pulse for instance or further cooling, it
> forms water droplets (clouds).

> As water vapor (much lighter than air) rises and cools, it condenses
> into water droplets (clouds). As water vapor condenses into a cloud,
> the volume reduction (vapor to liquid) reduces the outward positive
> pressure of the cloud and allows more moisture laden air to flow into
> the cloud. This effect causes the cloud to grow in all directions.
>
> Droplets at the top of the cloud (coldest) fall downward with a very
> small terminal velocity and usually evaporate from air frictional
> heating before falling very far. The resultant vapor rises upward
> again to the top of the cloud and condenses again to repeat the cycle.
> The energy required to vaporize a droplet increases with the mass of
> the droplet (cube of the droplet radius ) but the energy acquired from
> falling friction increases only as the square of the droplet radius.
> Thus the larger the droplet, the farther it falls before evaporating
> again.

> As the cloud grows upward and the temperature at the top drops, colder
> and larger drops form. They are larger because the vapor molecules are
> moving slower and more nucleate (stick together) per second. These
> larger, colder droplets eventually survive the trip falling through
> the cloud and (and air below the cloud) without vaporizing. They hit
> the ground as rain drops.
>
> Mike
> ---------------------------------------------------
> Michael J. Strickland			Reston, VA
> ---------------------------------------------------
>

Those sound like facts.

James McGinn (McFly) does not deal with facts, he is lost deep within 
his imagination, and can't get out.

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Sometimes people believe things that are nonsense James McGinn <jimmcginn9@gmail.com> - 2016-07-03 10:13 -0700
  Re: Sometimes people believe things that are nonsense Michael J. Strickland <michael06582@comcast.net> - 2016-07-06 01:33 -0400
    Re: Sometimes people believe things that are nonsense James McGinn <jimmcginn9@gmail.com> - 2016-07-05 23:03 -0700
    Re: Sometimes people believe things that are nonsense James McGinn <jimmcginn9@gmail.com> - 2016-07-06 09:59 -0700
    Re: Sometimes people believe things that are nonsense noTthaTguY <abu.kuanysh05@gmail.com> - 2016-07-06 11:15 -0700
      Re: Sometimes people believe things that are nonsense James McGinn <jimmcginn9@gmail.com> - 2016-07-06 18:33 -0700
    Re: Sometimes people believe things that are nonsense pcardinale@volcanomail.com - 2016-07-06 12:02 -0700
      Re: Sometimes people believe things that are nonsense noTthaTguY <abu.kuanysh05@gmail.com> - 2016-07-06 14:25 -0700
    Re: Sometimes people believe things that are nonsense Sergio <invalid@invalid.com> - 2016-07-06 14:40 -0500
      Re: Sometimes people believe things that are nonsense James McGinn <jimmcginn9@gmail.com> - 2016-07-07 05:51 -0700
        ah, cOOl noTthaTguY <abu.kuanysh05@gmail.com> - 2016-07-08 10:51 -0700
          Re: ah, cOOl noTthaTguY <abu.kuanysh05@gmail.com> - 2016-07-08 16:07 -0700
      Re: Sometimes people believe things that are nonsense James McGinn <jimmcginn9@gmail.com> - 2016-07-07 11:22 -0700
        Re: Sometimes people believe things that are nonsense pnalsing@gmail.com - 2016-07-07 18:20 -0700
          Re: Sometimes people believe things that are nonsense Sergio <invalid@invalid.com> - 2016-07-08 13:51 -0500
      Re: Sometimes people believe things that are nonsense Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-07-19 19:45 +0200
    Re: Sometimes people believe things that are nonsense Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-07-19 19:43 +0200
      Re: Sometimes people believe things that are nonsense Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-07-19 19:58 +0200
      Re: Sometimes people believe things that are nonsense Poutnik <poutnik4nntp@gmail.com> - 2016-07-19 21:48 +0200
        Re: Sometimes people believe things that are nonsense Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-07-19 22:29 +0200

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