Hi Joseph,
The three alphanumeric characters after the /p in your pattern matching line
correspond to the \4 on the product-action line (i.e. the fourth set of
parentheses). You should be able to cross-reference these three alphanumeric
characters with the specific radar product that is listed here:
https://www.weather.gov/media/tg/noaaport_radar_products.pdf What you're
looking for is the three alphanumeric characters after the cccc in the WMO
Header column in that PDF. For example, N0R is the 124 nmi base (0.5 elevation
angle) reflectivity, NAU is the 0.9 elevation angle 162 nmi radial velocity,
N0X is the 0.5 elevation angle digital differential reflectivity, etc.
>Can all the above data from my pqact be obtained from the tgftp site?
This depends on whether the upstream LDM that is specified in your ldmd.conf
REQUEST line for the NEXRAD3 feedtype contains the specific radar products
you're looking for and/or if you're additionally matching on specific radar
products on the NEXRAD3 REQUEST line. If your upstream LDM server is a NOAAPort
ingest server, then all of the products listed in the PDF link, above, should
be available over NOAAport. (Alternatively, you could follow the instructions
here: https://www.weather.gov/tg/radar to receive radar data from the Radar
Product Central Collection / Dissemination Service by editing ldmd.conf and
pqact.conf to request data directly from the NWS's LDM through the EXP or FT27
feedtypes. (I found that page from https://www.weather.gov/tg/radfiles under
the Implementation Guide for a LDM connection. "The data can be obtained either
through a direct LDM data feed from the NWS or by standard ftp. Either process
follows the directory path established below." Meaning, if you go the route of
requesting the radar data through a direct LDM data feed from the NWS, then all
of the data from the tgftp site is also available through the NWS LDM feed.)
_________________________________________
Jason N. T. Kaiser
Atmospheric Sciences Data Systems Administrator
Northern Vermont University-Lyndon
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Today's Topics:
1. Question about some pqact entries (Joseph Spenner)
----------------------------------------------------------------------
Message: 1
Date: Tue, 30 Apr 2019 21:41:14 +0000 (UTC)
From: Joseph Spenner <joseph85750@xxxxxxxxx>
To: LDM Users <ldm-users@xxxxxxxxxxxxxxxx>
Subject: [ldm-users] Question about some pqact entries
Message-ID: <469745979.2617619.1556660474741@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="utf-8"
Hello, I have some entries in pqact, and am trying to determine exactly which
products are matching and being written to disk:
# NEXRAD Level III products.
NEXRAD? ^SDUS[2357]. (....)
([0-3][0-9])([0-2][0-9][0-6][0-9]).*/p(...)(OKX|DIX|BOX|ENX|BGM|FTG|MPX|EMX|LOT)
??????? FILE??? -close? /data/noaaport/RDR-NIDS/K\5/\4/(\2:yyyy)(\2:mm)\2\3.nid
#
#NEXRAD Level III decompressed products.
NEXRAD? ^SDUS[2357]. (....)
([0-3][0-9])([0-2][0-9][0-6][0-9]).*/p(...)(OKX|DIX|BOX|ENX|BGM|LOT)
??????? EXEC??? /usr/prodman/bin/ucnids -n
/data/noaaport/RDR-NIDS/K\5/\4/(\2:yyyy)(\2:mm)\2\3.nid
/data/noaaport/RDR-NIDS/decompressed/K\5/\4/(\2:yyyy)(\2:mm)\2\3.nid
I have some locations for this data provided by a few people on the list, but
not sure how to match up what I see in the pqact entries above and what is
available via these 2 references:
https://www.weather.gov/tg/radfiles
?
(and sources of that data):
ftp://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar
Can all the above data from my pqact be obtained from the tgftp site?
Thanks in advance!
Joseph Spenner
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