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

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



> 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
===================
NOTE: All email exchanges with Unidata User Support are recorded in the Unidata 
inquiry tracking system and then made publicly available through the web.  If 
you do not want to have your interactions made available in this way, you must 
let us know in each email you send to us.