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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Robert,
FYI...the ETA 211 grids on NOAAPORT do contain Helicity fields.
See for example:
GRID FILE: $MODEL/2002080912_eta211.gem
GRID NAVIGATION:
PROJECTION: LCC
ANGLES: 25.0 -95.0 25.0
GRID SIZE: 93 65
LL CORNER: 12.19 -133.46
UR CORNER: 57.29 -49.38
GRID ANALYSIS BLOCK:
UNKNOWN ANALYSIS TYPE
Number of grids in file: 1704
Maximum number of grids in file: 2000
NUM TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
25 020809/1200F000 3000 0 HGHT HLCY
179 020809/1200F006 3000 0 HGHT HLCY
334 020809/1200F012 3000 0 HGHT HLCY
489 020809/1200F018 3000 0 HGHT HLCY
644 020809/1200F024 3000 0 HGHT HLCY
799 020809/1200F030 3000 0 HGHT HLCY
954 020809/1200F036 3000 0 HGHT HLCY
1109 020809/1200F042 3000 0 HGHT HLCY
1264 020809/1200F048 3000 0 HGHT HLCY
1419 020809/1200F054 3000 0 HGHT HLCY
1574 020809/1200F060 3000 0 HGHT HLCY
I will pass along your request to participate in the IDD to our appropriate
contacts.
Steve CHiswell
>From: Robert Dewey <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200208090346.g793kRK21658
>Hello Unidata Staff,
>
>I was wondering if I could request a NOAAport NNEXRAD feed along with a
>CONDUIT feed? I am currently receiving DDP|HDS NOAAport data streams, and the
>HRS models do not seem to include all the "good" fields (such as the ETA
>helicity, etc..).
>
>If you can find me a feed, reply to this email and I will provide my hostname.
>
>Thank you!
>Robert Dewey
>08/08/2002
>