Geoff P
Geoff
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« on: December 05, 2008, 07:17:14 AM » |
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Could anyone tell me how to set up the smart forecast section in vws, what to enter ect.
Many thanks
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"I was taught to be cautious" "Many years on the square"
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sam2004gp
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« Reply #1 on: December 05, 2008, 08:12:46 AM » |
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I have asked this before, and I have added a few things in mine, but at least in V13.01, your condition options leave more to be desired. I will try to get a screenshot of mine this weekend when I get home to let you see what I have.
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Anthony
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« Reply #2 on: December 05, 2008, 08:27:47 AM » |
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All I use my smaftforecast for is rain.
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 Thanks, Anthony WB8YUE |
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sam2004gp
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« Reply #3 on: December 05, 2008, 09:39:01 AM » |
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Yeah, pretty much the same here, except I added a condition for freezing rain. IE: when you are reading a rain condition and the temp is below 33F.
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Scalphunter
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« Reply #4 on: December 06, 2008, 01:58:15 AM » |
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My experience is when you get 33 degrees and rain it generally turns to snow. Too get freezing rain you need super cooled raindrops falling and hitting a cool surface. Then it freezes at impact. These water droplets are already below freezing they just need something to cling to. Aircraft wing your car windshield etc.
John
KL7IFP
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sam2004gp
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« Reply #5 on: December 06, 2008, 07:36:05 AM » |
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Here is what I have for smart forecast, what do you have Anthony?  |
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Anthony
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« Reply #6 on: December 06, 2008, 07:42:25 AM » |
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Sam, Looks good. I only have 3 donditions. Lt rain>4, Rain>12 & Heavy Rain>30. I guess you could get fancy and put in a condition between 12 & 30 for maybe moderate rain. Seems like at one time I was using rain rate instead of hourly rain. Can't remember why I might have changed it.
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Thanks, Anthony WB8YUE
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sam2004gp
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« Reply #7 on: December 06, 2008, 07:55:22 AM » |
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There is no moderate rain condition, but maybe I should change mine from freezing rain to winter mix. That would be more accurate, since Scalphunter is correct about the freezing rain.  |
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mackbig
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« Reply #8 on: December 06, 2008, 08:02:42 AM » |
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I have never even looked at this feature in vws. Sounds more like a "smart conditions" estimator, than a "smart forecast" though...?"
Andrew
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 Andrew - Davis VP2+ 6163, serial weatherlink, wireless anemometer, running Weather Display. Boltek PCI Stormtracker, Astrogenic Nexstorm, Strikestar - UNI, CWOP CW8618, GrLevel3, (Station 2 OS WMR968, VWS 13.01p09), Windows 7-64 |
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sam2004gp
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« Reply #9 on: December 06, 2008, 08:38:26 AM » |
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....Sounds more like a "smart conditions" estimator, than a "smart forecast" though...?" Andrew [/quote] I would have to agree to that.  |
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mackbig
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« Reply #10 on: December 06, 2008, 08:42:01 AM » |
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Ok just was not sure. I thought maybe it had some other logic in it, like the console uses to show the rain icon, when its sunny out..  Andrew |
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Andrew - Davis VP2+ 6163, serial weatherlink, wireless anemometer, running Weather Display. Boltek PCI Stormtracker, Astrogenic Nexstorm, Strikestar - UNI, CWOP CW8618, GrLevel3, (Station 2 OS WMR968, VWS 13.01p09), Windows 7-64 |
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Anthony
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« Reply #11 on: December 06, 2008, 03:38:50 PM » |
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I'll second that. Many times during the summer I will have and the metar won't. Can sometimes make it bad when it's the other way around. But atleast you can look at my web cam and see what it's actually doing. Like right now. It's snowing.
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Thanks, Anthony WB8YUE
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Geoff P
Geoff
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« Reply #12 on: December 11, 2008, 07:33:53 AM » |
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Many thanks for all of the internal discussions, but really only one post was of little help, I guess you guys across the pond does not bother with trivial things like Smart Forecasts, thanks anyway.
Hope you and your families have an excellent Christmas.
Geoff
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"I was taught to be cautious" "Many years on the square"
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sam2004gp
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« Reply #13 on: December 11, 2008, 08:20:48 AM » |
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Geoff, I think the point that can be learned here, from all of our babbling above, Is the fact smartforecast in theory sounds good to use, but in reality there is not enough "control" or "parameters" provided to make it very usefull. Again, most of us use our local METAR stations for our condition forecasts, and smartforecast as a "catch all" for the little micro-climates that sometimes occur.
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Geoff P
Geoff
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« Reply #14 on: December 11, 2008, 08:34:41 AM » |
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Many thanks for that Sam, I understand what you are saying.
Geoff
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"I was taught to be cautious" "Many years on the square"
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racenet
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« Reply #15 on: December 11, 2008, 09:31:58 AM » |
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Geoff, I think the point that can be learned here, from all of our babbling above, Is the fact smartforecast in theory sounds good to use, but in reality there is not enough "control" or "parameters" provided to make it very usefull. Again, most of us use our local METAR stations for our condition forecasts, and smartforecast as a "catch all" for the little micro-climates that sometimes occur.
Sam, your assessment is a tad off base. Smartforecast is very useful, if you take the time to understand it, adjust it to "Your" local area and it weather conditions. There is no 1 setting fits all. 9 times out of 10, the conditions displayed for my station are via Smartforecast. Without it, my displayed conditions would be incorrect 90% of the time. "That" seems pretty useful to me. Bob |
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sam2004gp
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« Reply #16 on: December 11, 2008, 09:55:54 AM » |
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Okay, bob, your point is well taken. and yes local area has a lot to do with it. I have a "inaccurate reporting" metar station close to me, and a few times when I am home, I have to force my condition icons manually. Could you do a screen capture of your settings in the Smartforecast panel? I would also like to see what others are doing in hopes of making mine better. On the old ambient forum and maybe even here, I asked for this type of info one other time and got no or little responses.  |
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Geoff P
Geoff
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« Reply #17 on: December 11, 2008, 10:06:11 AM » |
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I totally agree with Racenet, I live some distance from a Metar station,Stanstead Airport to be exact, and on many an occasion it has been showing sunny at Stanstead yet where I live it has been pouring with rain. Geoff  |
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"I was taught to be cautious" "Many years on the square"
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sam2004gp
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« Reply #18 on: December 11, 2008, 10:13:49 AM » |
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My best "smart forecast" would to be able to figure out the right set of sensor parameters/conditions for, some clouds, partly cloudy, mostly cloudy, and overcast. And at the same time have VWS support the ability to "calculate for these".
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Scalphunter
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« Reply #19 on: December 11, 2008, 11:03:52 AM » |
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I would like to see more opand I think the are called added to the smart forecast. example to set up for fog you neeed to get wetbulb temps with in 4 degrees of the temperature. there is no way at moment too do that correctly. Maybe I am looking at the wrong way going about it.
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sam2004gp
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« Reply #20 on: December 11, 2008, 11:14:08 AM » |
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I would like to see more opand I think the are called added to the smart forecast. example to set up for fog you neeed to get wetbulb temps with in 4 degrees of the temperature. there is no way at moment too do that correctly. Maybe I am looking at the wrong way going about it.
If I can make out what you are saying you would like to see some different boolean operators like "or" as well, to help with the smart forecast decisions. Am I correct? |
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Scalphunter
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« Reply #21 on: December 11, 2008, 11:51:11 AM » |
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Yes and or if then ...... that type stuff.... at present you only have the and /or to set conditions.
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sam2004gp
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« Reply #22 on: December 11, 2008, 12:18:25 PM » |
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Yes those features would be nice. You should email Ed about them on our behalf.
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blackjack52
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« Reply #23 on: December 21, 2008, 03:30:33 PM » |
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Here's what I use. Started working it last night. The rain, lght rain, heavy, and cloud conditions seem to work really well. The fog has not been tested. I wish there was Boolean for OAT and DP. OAT and DP w/in 1.8deg of each other. Then the closer to each other, the more dense. Then fog would be real easy to use. I don't use METAR and SmartF, as they only update hrly. I would much rather have my station compute.  |
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« Last Edit: December 21, 2008, 03:33:43 PM by MadALwx »
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blackjack52
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« Reply #24 on: December 21, 2008, 05:22:13 PM » |
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I wonder if dew point > 55 and cloud base < 2000 will work for thunderstorms. May have to increase the dew point a little more.
Also, but about vapor pressure and humanity for fog? Will other variables change the pressure at which condensation forms?
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