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[IDV #VDK-218686]: K-Index Formula

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  • Subject: [IDV #VDK-218686]: K-Index Formula
  • Date: Mon, 08 Jun 2020 10:27:09 -0600
> Full Name: Gregory Scuckle
> Email Address: address@hidden
> Organization: Weather spotter
> Package Version: 5.7 build date:2020-02-10 17:05 UTC
> Operating System: Windows 8.1
> Hardware: Java: home: C:\Program Files\IDV_5.7\jre version: 1.8.0_51 
> j3d:1.6.0-pre12-daily-experimental daily
> Description of problem: Creating display: Contour Plan View
> visad.TypeException: visad.TypeException: FunctionType.binary: types don't 
> match
> FunctionType.binary: types don't match
> 
> I'm trying to calculate K-Index. Not sure what the problem with my formula 
> is. I have sub(D1,D2)+D3-D4...which is supposed to calculate (850 Temp - 500 
> Temp) + 850 Dewpoint - 700 Dewpoint Depression. Any help would be 
> appreciated. Thanks.
> 
> Greg
> 
Hi Greg,

In the IDV each parameter in the formula needs to be consistent in the physics 
unit in order to generate a meaningful result. Make sure the unit
for the dewpoint is the same as temperature, otherwise, you need to convert all 
of them to the same unit.

Yuan

Ticket Details
===================
Ticket ID: VDK-218686
Department: Support IDV
Priority: Normal
Status: Closed
===================
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