Air Weather Service Manual, Issue 105

adiabat AERO code air mass air structure Air Weather Service AIREP altimeter Appendix AWS Form AWSM base broadcasts to aircraft Celsius circular area cloud layer code figure convective convective condensation level curve dew point temperature element gives entered entry Example feet FIFOT flight level forecast free air temperature freezing level front gusts hail height icing index number indicated isallobars isobar knots line of echoes manual maximum wind meters millibars mixing ratio moist layer moisture nautical miles observation paragraph plain language Plot this element plotted as reported plotting model pressure centers pressure surface radar Radiosonde RAREP relative humidity ROFOT saturation sea level severe weather sferics significant cloud snow sounding specifications squall line station circle symbols Synoptic Code TAFOT TAMET thunderstorm tion tornadoes tropopause turbulence values warm front Wea Gp wet-bulb temperature wind direction wind speed winds aloft WMO Region