var h2=18.015; var t2=-23.3; var dp=-46.2; var t1=1.0; var h1=3.438; lapserate=(Math.round((100*(t2-t1)/(h2-h1))))/100;
lapseratemetric=(Math.round((100*(t2-t1)/(h2-h1)/.3048)))/100;
dryparceltmp=(Math.round((100*(t1+(h2-h1)*(-2.987)))))/100;
liftedindex=(Math.round(10*(t2-(dp))))/10;
thermalindex_top=t2-dryparceltmp