It is possible the AWOS METARs are web scrapped. I know some
sites have METAR observations that are available to grab, but
are not on NADIN yet.
On Mon, Nov 21, 2022 at 3:19 PM Michael Graf - NOAA Federal <
michael.graf@xxxxxxxx> wrote:
> So I guess they have a NF-OBS program in play...IDK...just guessing.
> Mike
>
> On Mon, Nov 21, 2022 at 3:13 PM Boris A. Konon <trwplusa@xxxxxxxxx> wrote:
>
>> I did a check today, and I still am seeing manually-taken METARs
>> for KSWF both on the AWC site:
>>
>> https://www.aviationweather.gov/metar/data?ids=kswf&format=raw&hours=120&taf=off&layout=on
>>
>> and on the NCEP FTP Server:
>> https://tgftp.nws.noaa.gov/data/observations/metar/stations/KSWF.TXT
>>
>> It is possible that other data feeds that only the NWS/FAA sees provide
>> additional sites or types of METARs. Or it could be an oversight. AWOS
>> METARs for KSWF may be intended for NADIN distribution.
>>
>> Boris
>>
>>
>> On Mon, Nov 21, 2022 at 3:06 PM Michael Graf - NOAA Federal <
>> michael.graf@xxxxxxxx> wrote:
>>
>>> Thanks Boris,
>>>
>>> The reason I asked is because I see that KSWF is being transmitted, ergo
>>> my question.
>>>
>>> Appreciate it,
>>> Mike
>>>
>>> On Mon, Nov 21, 2022 at 3:01 PM Boris A. Konon <trwplusa@xxxxxxxxx>
>>> wrote:
>>>
>>>> Mike,
>>>>
>>>> Good question!
>>>>
>>>> Any AWOS installed these days is non-Federal, so it is funded privately
>>>> either by the owner of an airport, a private company (such a hospital
>>>> for their heliport), or the state. There are additional costs involved
>>>> (1000s of dollars a year I believe) to establish longline
>>>> communications
>>>> to WSMCR and add these site to NADIN (National Airspace Data
>>>> Interchange Network). This allows the site's METARs to be transmitted
>>>> to
>>>> NOAAPort, AIDAP (FAA line primarily for NOTAMs), and other aviation
>>>> communication services.
>>>>
>>>> It is up to the owner of the AWOS to fund NADIN hook-up, and AWOS
>>>> vendors always try to sell this service. Some AWOS upon commissiong
>>>> immediately have NADIN service paid for (KW40 was a recent example)
>>>> so their METARs show up right away. Over the last 20 years or so,
>>>> I have noticed more and more AWOS have been getting NADIN service,
>>>> whether it be brand new sites, or sites that have been installed for
>>>> years.
>>>> Currently, I know of about 240 AWOS unit installed in the U.S., but do
>>>> not
>>>> have NADIN service yet. There are likely several dozen more at least I
>>>> do not
>>>> know of at any one time. The 240 number used to be a lot higher (~500)
>>>> years ago.
>>>>
>>>> As to when new sites show up? There is no centralized site or agency
>>>> that tracks this that I know of. It is just a matter of scanning METAR
>>>> collectives and flagging the new sites with a program.
>>>>
>>>> Additions to NADIN are usually on a Tue or Thu, often in the 28 and 56
>>>> day FAA database update cycle, but I have seen additions every day of
>>>> the week.
>>>>
>>>> For international new METAR sites, often I see additions on the 1st of
>>>> the month and that is seperate from the NADIN process, and more tied
>>>> to what is distributed on GTS and what a country chooses to add. There
>>>> are many, many more METAR, and TAF and SYNOP sites for that matter,
>>>> that exist all over the world that we do not see on NOAAPort for any
>>>> number of reasons, but with time, more and more have been added. esp.
>>>> SYNOP sites.
>>>>
>>>> Boris
>>>>
>>>> On Mon, Nov 21, 2022 at 1:19 PM Michael Graf - NOAA Federal <
>>>> michael.graf@xxxxxxxx> wrote:
>>>>
>>>>> Afternoon Boris...what's this mean? "just do not
>>>>> have NADIN service at this time."
>>>>>
>>>>> Thanks,
>>>>> Mike
>>>>>
>>>>> On Mon, Nov 21, 2022 at 1:00 PM Boris A. Konon <trwplusa@xxxxxxxxx>
>>>>> wrote:
>>>>>
>>>>>> Some of these already have AWOS units installed, but just do not
>>>>>> have NADIN service at this time.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> *KASG KBAK KBCT KBYH KCHD KCNW KDPG KEFD KEMT KEVBKGEU KGYR KHSA KOMN
>>>>>> KOQU KPAO KPOC KRHV KSCH KSWFKTIX KTOA KWHP PADG PAGB PAKU PALJ PALP PAPR
>>>>>> PAPTPGRO PGWT PHHN PHJH PHMU PKMR PTSA PTTP TJBQ TJIG*
>>>>>>
>>>>>> _______________________________________________
>>>>>> NOTE: All exchanges posted to Unidata maintained email lists are
>>>>>> recorded in the Unidata inquiry tracking system and made publicly
>>>>>> available through the web. Users who post to any of the lists we
>>>>>> maintain are reminded to remove any personal information that they
>>>>>> do not want to be made public.
>>>>>>
>>>>>> data-curation mailing list
>>>>>> data-curation@xxxxxxxxxxxxxxxx
>>>>>> For list information, to unsubscribe, or change your membership
>>>>>> options, visit: https://www.unidata.ucar.edu/mailing_lists/
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Michael L. Graf
>>>>> Meteorologist/International Liaison
>>>>>
>>>>> National Weather Service
>>>>> SSMC-2 Station 13314
>>>>> 1325 East West Highway
>>>>> Silver Spring MD 20910
>>>>>
>>>>> work 301-427-9109
>>>>> fax 301-713-1520
>>>>> cell 304-268-0691
>>>>>
>>>>>
>>>
>>> --
>>> Michael L. Graf
>>> Meteorologist/International Liaison
>>>
>>> National Weather Service
>>> SSMC-2 Station 13314
>>> 1325 East West Highway
>>> Silver Spring MD 20910
>>>
>>> work 301-427-9109
>>> fax 301-713-1520
>>> cell 304-268-0691
>>>
>>>
>
> --
> Michael L. Graf
> Meteorologist/International Liaison
>
> National Weather Service
> SSMC-2 Station 13314
> 1325 East West Highway
> Silver Spring MD 20910
>
> work 301-427-9109
> fax 301-713-1520
> cell 304-268-0691
>
>
