NOAA Weather Forecast to PUSHOVER

fc.php

<?php
require_once dirname(__FILE__) . '/noaa/Forecaster.php'; #require_once 'noaa/Forecaster.php';
$config = new \noaa\weather\Configuration();
$myWritableCacheDirectory = dirname(__FILE__) . '/cache';
$config->setCache(new \noaa\weather\cache\FileCache($myWritableCacheDirectory));
$forecaster = new \noaa\Forecaster($config);

    // php MATH: https://www.w3schools.com/php/php_operators.asp

   // Function to calculate HeatIndex
    function heatIndex($currTempF,$currentHumidity){
    ## Function Found at https://github.com/RunnenLate/HeatIndexCalculator/blob/master/HeatIndexCalculator/src/HeatIndexCalculator.java#L38
    $c1 = -42.379;
    $c2 = 2.04901523;
    $c3 = 10.14333127;
    $c4 = -0.22475541;
    $c5 = -0.00683783;
    $c6 = -0.05481717;
    $c7 = 0.00122874;
    $c8 = 0.00085282;
    $c9 = -0.00000199;

    $HeatIndex=$c1+
    ($c2*$currTempF)+
    ($c3*$currentHumidity)+
    ($c4*$currTempF*$currentHumidity)+
    ($c5*($currTempF*$currTempF))+
    ($c6*($currentHumidity*$currentHumidity))+
    ($c7*($currTempF*$currTempF)*$currentHumidity)+
    ($c8*$currTempF*($currentHumidity*$currentHumidity))+
    ($c9*($currTempF*$currTempF)*($currentHumidity*$currentHumidity));

    return $HeatIndex;
    }


    // Function to calculate Feels Like Temperature
    function feelsLikeTemp($currTempF,$currentHumidity,$currentWindMPH){
    # Try Wind Chill first
    if ($currTempF <= 50 and $currentWindMPH >= 3) {
      $vFeelsLike = 35.74 + (0.6215*$currTempF) - 35.75*($currentWindMPH**0.16) + ((0.4275*$currTempF)*($currentWindMPH**0.16));
    } else {
      $vFeelsLike = $currTempF;
    }
    # Replace it with the Heat Index, if necessary
    if ($vFeelsLike == $currTempF and $currTempF >= 80) {
      $vFeelsLike = 0.5 * ($currTempF + 61.0 + (($currTempF-68.0)*1.2) + ($currentHumidity*0.094));
    }

    if ($vFeelsLike >= 80) {
      $vFeelsLike = -42.379 + 2.04901523*$currTempF + 10.14333127*$currentHumidity - .22475541*$currTempF*$currentHumidity - .00683783*$currTempF*$currTempF - .05481717*$currentHumidity*$currentHumidity + .00122874*$currTempF*$currTempF*$currentHumidity + .00085282*$currTempF*$currentHumidity*$currentHumidity - .00000199*$currTempF*$currTempF*$currentHumidity*$currentHumidity;
    if ($currentHumidity < 13 and $currTempF >= 80 and $currTempF <= 112) {
      $vFeelsLike = $vFeelsLike - ((13-$currentHumidity)/4)*math.sqrt((17-math.fabs($currTempF-95.))/17);
    }
    if ($currentHumidity > 85 and $currTempF >= 80 and  $currTempF <= 87) {
      $vFeelsLike = $vFeelsLike + (($currentHumidity-85)/10) * ((87-$currTempF)/5);
    }
    }

    return $vFeelsLike;
    }


    // Begin Change These Varibles
    $stationId = 'KCXW';
    $lat = '35.1509';
    $lng = '-92.7441';
    $offset = -5; # Your UTC/timezone offset (ex CDT-5/CDT-6)
    $startTime = date('Y-m-d', time());
    $numDays = 1;
    // End Change These Varibles

    // Zenith Calculation: https://blog.ip2location.com/knowledge-base/display-sunrise-sunset-time-using-php-and-mysql-database/
    // zenith = 90 + (50/60)
    // zenith = 90.833333333
    // 
    // Don't mess with this variable or you'll end up with strange/incorrect Sunrise/Sunset predictions.
    $zenith = 90.833333333;


    try {
    // returns a CurrentWeather object or throws an exception on API error
    $current = $forecaster->getCurrentWeather($stationId);
    } catch (\Exception $e) {
    echo "Error: " . $e->getMessage() . "\n";
    }

    $forecast = $forecaster->getForecastByLatLng($lat, $lng, $startTime, $numDays);
    $day = $forecast->getDay(0);

    echo "Current Conditions: " . $day->getConditions() . "\n";
    echo "Current Temp: " . $current->getTemperatureF() . "°F\n";

    $high = ($day->getHighTemperature() === null) ? 'NULL' : $day->getHighTemperature();
    echo "High: " . $high  . "°F\n";

    $low = ($day->getLowTemperature() === null) ? 'NULL' : $day->getLowTemperature();
    echo "Low: " . $low  . "°F\n";

    echo "Wind Speed: " . $current->getWindSpeedMPH() . " MPH (" . $current->getWindSpeedKnots() . " KT)\n";
    echo "Wind Direction: " . $current->getWindDirection() . "\n";
    echo "Visibility: " . $current->getVisibilityMiles() . " miles\n";
    echo "Humidity: " . $current->getRelativeHumidity() . "%\n";
    echo "Dew Point: " . $current->getDewPointF() . "%\n";

    #	$precipDay = ($day->getPrecipitationProbabilityDay() === null) ? 'NULL' : $day->getPrecipitationProbabilityDay();
    #	echo "Precipitation Chance Day: " . $precipDay . "%\n";

    #	$precipNight = ($day->getPrecipitationProbabilityNight() === null) ? 'NULL' : $day->getPrecipitationProbabilityNight();
    #	echo "Precipitation Chance Night: " . $precipNight . "%\n";

    $currTempF = $current->getTemperatureF();
    $currentHumidity = $current->getRelativeHumidity();
    $currentWindMPH = $current->getWindSpeedMPH();

    if ($currTempF  >= 80 and $currentHumidity >= 40) {
    $heatindex = round(heatIndex($currTempF,$currentHumidity),0);
    echo "Heat Index: " . $heatindex . "°F\n";
    }

    # This calculation can only be made for air temperatures between -50°F (-45°C, 228K) and 50°F (10°C, 283K) only.
    # https://www.calculator.net/wind-chill-calculator.html?windspeed=6.9&windspeedunit=mph&airtemperature=68&airtemperatureunit=fahrenheit&x=63&y=18
    if ($currTempF >= -50 and $currTempF <= 50) {
    $windChill = 35.74 + 0.6215*$currTempF - 35.75*pow($currentWindMPH, 0.16) + 0.4275*$currTempF*pow($currentWindMPH, 0.16);
    $windChill = round($windChill,0);
    echo "Wind Chill: " . $windChill . "°F\n";
    }

    $vFeelsLike = round(feelsLikeTemp($currTempF,$currentHumidity,$currentWindMPH),0);
    echo "Feels Like: " . $vFeelsLike . "°F\n";


    $hazards = $forecast->getHazards();
    if (count($hazards) > 0) {
    echo "HAZARDS: " . implode(', ', $hazards) . "\n";
    }

    echo("Sunrise: " . date("F j, Y") . " at ");
    $sunrise_time  = date_sunrise(time(),SUNFUNCS_RET_STRING,$lat,$lng,$zenith,$offset);
    echo date('g:i', strtotime($sunrise_time));
    echo("AM");

    echo("\nSunset: " . date("F j, Y") . " at ");
    $sunset_time  = date_sunset(time(),SUNFUNCS_RET_STRING,$lat,$lng,$zenith,$offset);
    echo date('g:i', strtotime($sunset_time));
    echo("PM\n");

    echo "\nLocation: ". $current->getStationId() . " -- " . $current->getLocation();

    echo("\nTime Observed: ");
    $timeChecked = ($current->getObservationTime());
    echo date('F j, Y g:iA', strtotime($timeChecked));
    echo ("\n");

    echo "Time Checked: ";
    $startChecked = date('F j, Y g:iA', time());
    echo (" " . $startChecked);

    //  WRITE URL to url.txt
    //  This Bitly URL is the NWS forecast page for my local station, you'll 
    //  need to create your own Bitly URL or at least replace this with the 
    //  NWS url directly. You'll see this when you click on the notification 
    //  in the phone app. This page will show longer range forcasts for 
    //  your area.
    $myURL = fopen("url.txt", "w") or die("Unable to open file!");
    $URL = "https://bit.ly/3hIyJOj\n";
    fwrite($myURL, $URL);
    fclose($myURL);
    //  END WRITE URL to url.txt

    //  WRITE TITLE to title.txt
    //  This outputs the title for the Pushover message.
    $todaysDate = date('F j Y', time());
    $todaysSunrise = date('g:i', strtotime($sunrise_time)) . "AM";
    $myTITLE = fopen("title.txt", "w") or die("Unable to open file!");
    $title = "Todays sunrise - $todaysDate at $todaysSunrise";
    fwrite($myTITLE, $title);
    fclose($myTITLE);
    //  END WRITE TITLE to title.txt

?>