Elements:
TMPD - air temperature (F)
DPTP - dew point temperature (F)
WIND - wind direction/speed (deg/kt)
HZVZ - horizontal visibility (encoded)
ALTP - altimeter setting (in. mercury)
PWTH - present weather (encoded)
ALC1 - cloud layer 1 (encoded)
ALC2 - cloud layer 2 (encoded)
ALC3 - cloud layer 3 (encoded)