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[GEMPAK #ODE-267279]: GDRADR description

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  • Subject: [GEMPAK #ODE-267279]: GDRADR description
  • Date: Wed, 12 Sep 2007 11:07:42 -0600
Jimmy,

GDRADR will find the most recent time within the desired time window (specified
up to RADDUR minutes before RADTIM) for each radar site for a given level III 
product.

The mosaic product is the maximum value found at a location within
the gridded domain.

If you are gridding N0R for example, when a grid point is within multiple
radar domains, the maximum N0R value from the level III products is taken
(The level of the observation is in this case tilt 0 for the radar it
is obtained from). This is generally a nominal 0.5 degrees, but could vary.

If you were to grid NCR, which is the composite reflectivity radar product, 
then the 
level would be the level for the radar in which the maximum value had occured.

Steve Chiswell
Unidata User Support




> Hi-
> I have been searching without luck for a dscription of what exactly gdradr
> does. I have a publication which uitlizes gdradr and I need to describe
> the procedure for the reviewer.
> 
> It was my understanding the algorithm works like this:
> 1. get all radars in the domain within a certain specified time interval
> relative to the desired grid output time,
> 2. The level 3 product being mapped onto the specified grid would be the
> lowest height value closest to the radar with the maximum value.
> 
> Is this correct? Or is there documentation of the algorithm somewhere?
> Thanks
> 
> --
> James Correia, Jr. PhD.
> Email: jimmyc @ iastate.edu
> Email: jimmyc42 @ gmail.com
> Web: http://bruce.agron.iastate.edu/jimmyc/
> *********************************************
> 
> "Wisdom. Strength. Courage. Generosity. Each of us are born with one of
> these. We must find the other three inside of us."
> from "Into the West"
> 
> 


Ticket Details
===================
Ticket ID: ODE-267279
Department: Support GEMPAK
Priority: Normal
Status: Closed