Skip Talbot
EF5
Can someone shed some light on the technical details of writing software to catch NWS warnings as they are received? IE. how does software like GrLevel3 get notified that there is a new warning, and what source do they come from?
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Programmatically Handling Warnings
- Thread starter Skip Talbot
- Start date
Greg Blumberg
EF4
I've often used the NWS RSS feeds whenever I've written programs for detections on updates. You ought to check them out. As for GRLevel3 I have no idea, but I'd assume that they use something similar.
http://www.weather.gov/alerts/
http://www.weather.gov/alerts/
Last edited by a moderator:
Tyler Allison
EF5
There are lots of ways of doing it. GR3 actually checks several non-NWS warning servers (AllisonHouse, CoD, etc) for a particular format every couple of minutes.
Products like InterWARN or RealEMWIN can use either the pull technology like GR is using (basically querying a database or RSS feed) or the "real-time" feed off the EMWIN stream.
The hard party is not getting the data. It's doing something with it
Products like InterWARN or RealEMWIN can use either the pull technology like GR is using (basically querying a database or RSS feed) or the "real-time" feed off the EMWIN stream.
The hard party is not getting the data. It's doing something with it
Chris Kennedy
EF1
- Joined
- Sep 17, 2008
- Messages
- 76
Its funny that you post that question because I was wondering the same thing at lunch today. Iam getting into Apple Automator and was thinking about making some program that involved NWS warnings. Can anyone else shed light or send us in the right direction to learn more about NWS warning programing?
rdale
EF5
Greg and Tyler covered the basics - what parts are you still looking for?
Skip Talbot
EF5
Thanks for the source. I was looking for something like that.
Wow. GR3 seems so fast I was sure they were being notified via a message or event of new warnings. I didn't know they were querying every few minutes.
I've definitely got enough to get started, but thanks. I can parse the COD warnings page or use an RSS reader.
Thanks for the replies all.
Adam Ball
EF0
I would suggest not parsing the COD warnings. The COD weather pages have limited bandwidth from the college, as some may notice it can be a bit sluggish when a decent amount of severe weather it occuring. Steps have been taken, and more are being taken to significantly help in this area, but every little bit helps. Thanks.
Joey Ketcham
Over on the Skywarn forum someone made and posted a PHP script that fetches warnings from the NWS.
http://www.skywarnonline.com/forums/showthread.php?t=1197
http://www.skywarnonline.com/forums/showthread.php?t=1197
Skip Talbot
EF5
Does the NWS have a similar source for watches?
