Absent a spec on area forecast matrices, and absent any problem reports on point forecast matrices, there isn’t much to go on here.
> On Oct 7, 2020, at 2:35 PM, Michael Bruski <[email protected]> wrote: > > > Hi John, > > I've looked at several forecast matrices from my local and surrounding NWS > forecast offices and haven't seen anything format wise that would lead me to > think they would cause a problem for the forecast extension. I have selected > several different AFMs and see they parse fine. But I ran into this issue > with my local AFM and spent several hours trying to track down the cause. > The issue is not with the matrix itself but with text preceeding the DTG. > To test further, I put a cheap hack into the parse loop so that date2ts() > isn't called if the first word in 'line' is 'Including'. This actually works > (in this specific instance) and a valid forecast is produced. What other > lines of text might NWS put in the header preceeding the DTG, I just don't > know. The URLs mentioned in forecast.py are dead links so I couldn't find > any specifics on decoding the reports. > > I'm not terribly comfortable programming in python so I'm not sure the best > approach to work this issue but sending bad data to time.mktime() via > date2ts() is probably bad unless there is a way to trap the error. Not meant > to criticize... just my thoughts on how to make it better. > > Mike/AJ9X > >> On Wednesday, October 7, 2020 at 4:24:56 PM UTC-4 [email protected] wrote: >> Perhaps Area Forecast Matrix responses can’t be treated just like Point >> Forecast Matrix responses. AFMs are only supported to the extent that they >> provide an identically formatted response as the PFM response. >> >> What do you know about AFMs and the differences between them and PFMs? >> >>>> On Oct 7, 2020, at 12:18 PM, Michael Bruski <[email protected]> wrote: >>>> >>> >> >>> >>> Hi all, >>> >>> First of all, I am running WeeWX 4.1.1 with forecast extension 3.4.0b10. >>> >>> I had recently managed to use a Area Forecast Matrix for one location and >>> that is working fine. Recently I tried to setup a second location to use >>> the AFM (different LID and FOID) and it fails to get a forecast even though >>> I see it in the web browser using the URL that forecast.py uses. After >>> careful application of some trace print statements, I see the forecast is >>> succesfully download from the FOID and that the forecast for the specified >>> LID is also located and extracted but nothing gets parsed. Below is a copy >>> of my trace output from the log: >>> >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> forecast downloaded successfully from >>> 'http://forecast.weather.gov/product.php?site=NWS&product=AFM&format=txt&issuedby=LWX' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'MDZ005-072100-' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Carroll-' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Including the cities of Eldersburg and Westminster' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: '137 >>> PM EDT Wed Oct 7 2020' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: '' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Date Wed 10/07/20 Thu 10/08/20 Fri >>> 10/09/20' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'EDT >>> 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'UTC >>> 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: '' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Max/Min 75 77 80 47 48 52 65 67 70 42 44 48 68 >>> 70 73' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Temp 76 76 68 61 56 51 50 60 65 64 55 50 47 45 45 61 68 >>> 67 59' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Dewpt 52 52 53 50 48 46 45 45 43 42 43 42 41 40 41 45 45 >>> 46 47' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'RH >>> 43 43 59 67 74 83 83 58 45 45 64 74 79 82 86 56 43 47 64' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Wind dir W W NW NW NW NW NW NW NW NW NW NW W W W SW SW >>> SW S' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Wind spd 19 17 10 6 5 5 6 11 12 10 5 3 1 2 1 4 6 >>> 8 4' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Wind gust 33 31' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Clouds CL CL SC FW FW CL CL FW CL CL CL CL FW FW FW FW FW >>> FW SC' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'PoP >>> 12hr 20 20 0 0 0' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'QPF >>> 12hr 0 0 0 0 0' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Rain shwrs S S' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: '' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: '' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Date Sat 10/10/20 Sun 10/11/20 Mon 10/12/20 Tue 10/13/20' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'EDT >>> 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'UTC >>> 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: '' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Min/Max 54 75 56 69 53 66 54 68' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Temp 55 56 73 66 61 58 66 60 56 55 63 59 56 56 65 61' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Dewpt 50 54 59 60 59 56 55 54 54 53 56 56 56 56 58 57' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'PWind dir S SW SW SE E E E SE' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Wind char LT GN LT LT GN GN LT LT' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'Avg >>> clouds SC B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: 'PoP >>> 12hr 5 20 30 30 40 40 30 30' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> 'Rain shwrs S C C C C C C C C C C C C' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: '' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: '$$' >>> Oct 7 14:36:45 server weewx[3014] INFO user.forecast: NWSThread: NWS: >>> successfully extracted forecast for 'MDZ005' >>> >>> Examining NWSParseForecast, nothing is parsed until the Date/Time Group (a >>> line with 7 tokens) is located. In the above AFM another line preceeds the >>> DTG which also happens to have 7 tokens. I think this line is being passed >>> to date2ts() which in turn fails and causes the parser to stop looking for >>> further input. I didn't see a way to raise the issue on GitHub so I >>> thought I would bring this up here. >>> >>> Mike/AJ9X >>> >> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "weewx-user" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/weewx-user/05fa293c-659c-4619-9b06-9ed97a30efa4o%40googlegroups.com. > > -- > You received this message because you are subscribed to the Google Groups > "weewx-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/3936dc80-0d29-414f-a5b9-5f286bd659b1n%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/85F7E477-9A8C-4AF3-8713-4A121E5AE3A3%40johnkline.com.
