Topic: Feels like temps too high

[steviebaby59]

My Feels like temperatures run way too high in the peak afternoon. I've had this problem before, but forgot how I solved it. Is there any way I can have this just read the Heat Index from my meteobridge software? I've tried altering my scrips but have been unsuccessful. 

www.empireprairieweather.com

[saratogaWX]

If it's the AJAX powered update to feelslike, there's a setting in ajaxMBwx.js

Code: [Select]

var useFeelslike = 1;        // =0 use HeatIndex, =1 use Humidex, =2 use apparent temperature
which defaults to using humidex.  Change it to

Code: [Select]

var useFeelslike = 0;        // =0 use HeatIndex, =1 use Humidex, =2 use apparent temperature
to use heat-index instead.

If it's not the AJAX update that is the issue, please indicate which page is showing the error (if not the index page).

[steviebaby59]

It was already set to 0. It is the index page that's showing the error. When you first load it, it shows the correct heat index, the it defaults to something much higher.

[saratogaWX]

The script uses

Code: [Select]

        // FeelsLike
        temp = cTempToC(realtime[2]); // note.. temp in C
var HC = 0;
var HCraw = 0;
switch (useFeelslike) {
  case 0:
  HCraw = realtime[41]; //use HeatIndex
  break;
  case 1:
  HCraw = realtime[42]; //use Humidex
  break;
  case 2:
  HCraw = realtime[54]; //use Apparent Temperature
  break;
  default:
  HCraw = realtime[41]; //use HeatIndex (default)
  break;
}  
  var HC = cTempToC(HCraw);
        if (temp <= 16.0 ) {
  feelslike = cTempToC(realtime[24]); //use WindChill
} else if (temp >=27.0) {
  feelslike = HC; //use HeatIndex/Humidex/ApparentTemp
} else {
  feelslike = temp;   // use temperature
}
var feelslike  = Math.round(convertTempC(feelslike));
        set_ajax_obs("ajaxfeelslike",feelslike + uomTemp);
to set the feelslike.. It should be selecting realtime[41] value for the update.
Your realtime file (MBrealtime.txt) shows

Code: [Select]

25/05/2018 13:30:55 29.6 53 19.0 2.2 3.1 195.0 0.0 0.0 1008.8 SSW 2 m/s C hPa mm -- -0.8 70.6 164.1 0.0 27.7 38.0 29.6 1.7 29.6 13:29 19.7 03:24 4.5 08:11 9.4 11:48 1012.7 00:00 1008.8 13:26 3.2 11222 5.4 30.9 36.2 -- -- 1011.0 202.0 0.0 -- 1 -- SSW -- m -- 14:41 -- -- -- with realtime[41] value of 30.9C (87.62F rounded to 88F) and that's what was showing.  It is working correctly with the AJAX update.

The $heatidx is calculated by MB-defs.php via

Code: [Select]

$heatidx = MB_calcHeatIndex($temperature,$humidity,$uomtemp);
The ajax-dashboard.php displays the feelslike temperature in PHP using

Code: [Select]

<?php if(isset($feelslike)) { ?>
                  <?php langtrans('Feels like'); ?>: <span class="ajax" id="ajaxfeelslike">
    <?php echo $feelslike . $uomTemp; ?>
</span>
  <br/><br/>
                  <?php } // $feelslike ?>
and the $feelslike value comes from MB-tags.php line

Code: [Select]

list($feelslike,$heatcolourword) = MB_setFeelslike ($temperature,$windch,$heatidx,$uomtemp);

Looks like both PHP and AJAX are using the heatindex for the feelslike at this time.

[steviebaby59]

So are you saying everything is set right and it's working properly? My Feel like temps are still running about 10 degrees too high. Current heat index is : 100.2F. Website is showing 109F. It displays 100 when the page first loads, then shifts to 109 after fully loaded.

[saratogaWX]

Running http://www.empireprairieweather.com/check-fetch-times.php?show=versions on your site shows some updates needed, including ajaxMBwx.js script to V4.03 - 2017-09-30.  Version 4.02 - 18-Jun-2014 -- fixed feelsLike=0 to use HeatIndex logic and you're at V4.01

Do the update and the issue should be fixed.

[steviebaby59]

Well, I'm sorry for being such a nuisance. I've done what you instructed and I still have the same issue.

[saratogaWX]

Do a shift-reload of the home page.. you likely have the browser caching the old script.  I see 80 before and after the AJAX cuts in.

[steviebaby59]

Finally got it! Thank you so much for your help.

[steviebaby59]

Well, something else weird has happened. Now it won't display any data until ajax is loaded. Then, there is no Feel like or High and Low temps.

I haven's changed anything since my last edit a few days ago.

www.empireprairieweather.com