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Fix Metar Decoding / Wind check for Wind Chill

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PR aims to fix the bug #1071 by checking both the wind speed and it's value for starting Wind Chill calculation.
This commit is contained in:
B.Fatih KOZ
2021-03-09 16:06:39 +03:00
committed by GitHub
parent f1c54bcc7c
commit 617813bdbf
1 changed files with 1 additions and 1 deletions
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2
app/Support/Metar.php
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@@ -1772,7 +1772,7 @@ class Metar implements \ArrayAccess
*/ */
private function calculate_wind_chill($temperature_f): void private function calculate_wind_chill($temperature_f): void
{ {
if ($temperature_f < 51 && $this->result['wind_speed'] !== 0) { if ($temperature_f < 51 && $this->result['wind_speed'] && $this->result['wind_speed'] !== 0) {
$windspeed = $this->result['wind_speed']->toUnit('mph'); $windspeed = $this->result['wind_speed']->toUnit('mph');
if ($windspeed > 3) { if ($windspeed > 3) {
$chill_f = 35.74 + 0.6215 * $temperature_f - 35.75 * ($windspeed ** 0.16); $chill_f = 35.74 + 0.6215 * $temperature_f - 35.75 * ($windspeed ** 0.16);