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20040914:NIDS to ASCII Nexrad data conversion



Hello Tomislav and David,

I am investigating the transformation from NIDS to ASCII, you can view
some details re the NIDS format at:

http://weather.unisys.com/wxp/Appendices/Formats/NIDS.html

More later..

Jeff
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Jeff Weber                                    address@hidden        :
Unidata Program Center                        PH:303-497-8676        :
University Corp for Atmospheric Research      3300 Mitchell Ln       :
http://www.unidata.ucar.edu/staff/jweber      Boulder,Co 80307-3000  :
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On Mon, 13 Sep 2004, Tomislav Urban wrote:

> Just to add some detail:
>
>
>
> The documentation calls it "NOAAPort Broadcast" which is, I gather what
> we're getting through LDM.
>
> The files used in David's Map2Map are ASCII text files...I'm attaching
> an example.
>
>
>
>
>
> ________________________________
>
> From: David Maidment [mailto:address@hidden]
> Sent: Monday, September 13, 2004 2:45 PM
> To: Jeff Weber
> Cc: Tomislav Urban
> Subject: FW: Nexrad data conversion
>
>
>
> Jeff:
>
>
>
> Can you please respond to the question below.
>
>
>
> David
>
>
>
> -----Original Message-----
> From: Tomislav Urban [mailto:address@hidden]
> Sent: Monday, September 13, 2004 9:44 AM
> To: David Maidment
> Cc: Venkatesh Merwade; Oscar Robayo
> Subject: RE: Nexrad data conversion
>
> David -
>
>
>
> This sounds great.  This is exactly the kind of added-value service that
> we would like to offer moving forward.  I will get in touch with Dr.
> Xie.
>
>
>
> Thanks!
>
>
>
> -          Tomislav
>
>
>
> PS: I have begun to receive some of the NexRad data via LDM.  However,
> what I'm getting does not appear to be the same as what is used in
> Map2Map (for one thing the data appears to be binary as opposed to
> text), suggesting that some conversion is required.  I'm attaching the
> file (1-hour precipitation data for a single station).  Oscar and/or
> Venkatesh, please let me know if this is in a format that's familiar to
> you.
>
>
>
> ________________________________
>
> From: David Maidment [mailto:address@hidden]
> Sent: Monday, September 13, 2004 7:57 AM
> To: Hongjie Xie ; Tomislav Urban
> Cc: Venkatesh Merwade; Oscar Robayo
> Subject: Nexrad data conversion
>
>
>
> Tomislav:
>
>
>
> Last Friday, I met a new colleague, Dr Hongjie Xie, of University of
> Texas at San Antonio.
>
> Hongjie has just joined the Dept of Earth and Environmental Science
> there from New
>
> Mexico Institute of Mining and Technology in Socorro, NM.  While in NM,
> Hongjie
>
> worked on "GIS-based NEXRAD Stage III precipitation database: automated
> approaches
>
> for data processing and visualization", which is a paper for Computers
> in Geosciences in
>
> Press.  As part of this study they have built an archive of Nexrad data
> in ArcGIS format
>
> for Texas and New Mexico.   Apparently this archive is about 40GB and is
> stored at
>
> NM Tech.  I think it covers nearly all historical nexrad for our region.
> Hongjie has also
>
> got computer programs to automate the conversion of Nexrad from NWS
> format to
>
> ArcGIS format.
>
>
>
> It would be useful if you were to contact Hongjie and acquaint him with
> TeraGrid
>
> and what you are trying to do for Nexrad data ingestion, Map2Map, etc.
>
>
>
> David
>
>
>
>