calculating center...
temp_range = auto
temp_center = 6.2C (43.16F)
temp_constant = 6937 
temp_range = auto



Fatal error:  Uncaught Error: Call to undefined function temp_pressure_imagefilledpolygon() in /home1/wxnwonec/public_html/weather/tools/soundings/plot_portland_skewt_for_ag.php:171
Stack trace:
#0 {main}
  thrown in /home1/wxnwonec/public_html/weather/tools/soundings/plot_portland_skewt_for_ag.php on line 171