What can a METAR determine?
whether and airfield is VFR or IFR
When is a METAR reported?
between 55 and 59 min past hour
What is prevailing visibility?
greatest visibility over 50% of horizon
When is RVR included?
when prevailing vis is less than or equal to 1SM or RVR is less than or equal to 6000 ft
Icing is coded with a ___ and turbulance is coded with a ___, the next digit is the ___, the next three digits are the ___, the last digit is the ___ of the layer.
6;5; intensity; base of layer; thickness
What is a TAF? what is it used for?
an airport forcast for a specified period (usually 24 hours); to determin VFR or IFR flight plan requirements