[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[IDV #XYD-642543]: query related to dew point and thermodynamic diagrams

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: [IDV #XYD-642543]: query related to dew point and thermodynamic diagrams
  • Date: Mon, 08 Jul 2013 13:36:20 -0600
> R/Sir
> 
> I have temperature profiles (in Kelvin) and humdity profiles (in g/Kg)
> retrieved from sounder data (simulate datasets).
> How to go about generating dew point and then plotting thermodynamic
> diagrams?
> The derived quantities use temperature relative humidity but not
> humidity (in g/Kg).
> I have written products as CF complaint products so I am able to open
> them using GeoGridDataSource.
> 
> 
> regards
> Ghansham
> 
> 
Ghansham,
     To calculate the relative humidity based on the specific humidity, you 
also need the total pressure and the water vapor pressure. This is not in our 
derived table.


Yuan

Ticket Details
===================
Ticket ID: XYD-642543
Department: Support IDV
Priority: High
Status: Closed