INRAT Test Preparation Questions with Answers

Surface weather charts are issued how many hours after the observation 2-3hours SIG WX PROG CHARTS are issued how many hours before valid time? 12 hours What is the ceiling and vis that constitutes ifr? Less than 1000 ft and less than 3sm What is the ceiling and vis that constitutes mvfr? 1-3000ft and 3-5sm LLWS is to what altitude 1500Agl What's the abbreviations for convective cloud types on GFA's IOF. Isolated, occasional and frequent What's the abbreviation for non convective cloud types on GFAs LPX, localized, patchy and extensive What must the surface winds hit to be represented on a GFA 20kts What is the speed at which a LLV jets core speed must be at to be represented on a GFA 50kts A GFA may also represent a LLJ between __kts and ___kts if sig turbulence or shear is expected 35-45kts Normally LLJ will only be shown if they are below _______ft asl unless Over higher terrain 6000ft asl An airmet is valid for _____ hours and may be issued up to ______ hours prior to the start of the phenomenon 4,4 How must a airmet be cancelled ? A cancelling airmet with the abbreviation CNCL must be issued TAFS indicate a ______NM radius around a aerodrome and sig Wx like thunderstorms may be for a radius up to ____NM 5nm , 10 Nm Vc on a metar indicates ___sm and vc on taf indicates ___sm 5,5-10