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Author Topic: Formulas  (Read 740 times)

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Offline weatherguru

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Formulas
« on: October 13, 2017, 06:48:56 AM »
Hi Brian,
Just wondering what the actual formulas you use (or where they come from) for the following parameters please:
Cloud height
Cloud temperature
Air Density
Density Altitude
Absolute humidity
Vapour pressure

Regards
Guru

Offline weatherguru

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Re: Formulas
« Reply #1 on: October 14, 2017, 12:07:44 AM »
Hi all,
Anyone else know anything about these please?

Regards

Guru

Offline Weather Display

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Re: Formulas
« Reply #2 on: October 14, 2017, 12:15:49 AM »
Is this for WD custom tags,or?
It's not very clear

Offline weatherguru

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Re: Formulas
« Reply #3 on: October 14, 2017, 12:27:55 AM »
Yes, but more so the formula behind the tag i.e( Rel hum = x/y * 5.6 e)

Offline Weather Display

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Re: Formulas
« Reply #4 on: October 14, 2017, 04:37:58 AM »
why do you want to know?

Offline weatherguru

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Re: Formulas
« Reply #5 on: October 14, 2017, 05:22:48 AM »
One..these formulae aren't protected equations..Two.. I would like to calculate these values for some of my historical data.

makada

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Re: Formulas
« Reply #6 on: October 14, 2017, 10:49:28 AM »
...ive got a feeling you dont get an answer on this...

Offline hankster

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Re: Formulas
« Reply #7 on: October 14, 2017, 11:31:31 AM »
Google is your friend.

makada

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Re: Formulas
« Reply #8 on: October 14, 2017, 11:38:14 AM »
Google is your friend.
Dont think google knows what formulas wd uses....

Offline windgust

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Re: Formulas
« Reply #9 on: October 14, 2017, 03:45:18 PM »
I would look at the NOAA all the formulas are there, They would be the ones NOAA uses.

makada

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Re: Formulas
« Reply #10 on: October 14, 2017, 04:29:05 PM »
Thats not the question,  its which ones wd uses....

"Hi Brian,
Just wondering what the actual formulas you use ....."

Offline Weather Display

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Re: Formulas
« Reply #11 on: October 14, 2017, 07:13:44 PM »
there is no need people to be so rude on this forum, Makada
why do you think I would not provide an answer?
the problem is it takes time to search for all the formuals for each question , in the code
and so when I have the spare time I will look at answering the post

makada

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Re: Formulas
« Reply #12 on: October 14, 2017, 07:19:26 PM »
Im glad your finally ....ah nevermind...
I think its rude not to answer someone for three months,  anyway, back to topic...
« Last Edit: October 14, 2017, 07:21:20 PM by makada »

Offline hankster

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Re: Formulas
« Reply #13 on: October 14, 2017, 07:26:11 PM »
Im glad your finally ....ah nevermind...

Actually it's:

I'm glad you're finally ...ah nevermind

Offline Weather Display

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Re: Formulas
« Reply #14 on: October 14, 2017, 07:47:08 PM »
I am only 1 person though
I do try my best
to answer all the emails I get and forum questions and improve the programs across multiple platforms, which takes a lot of time
I am sorry that its not what you expect

 

cumulus