TAF

#4. A TAF time group 0202/0220 means that the TAF:

• AIs a short range forecast only, at 0220 UTC
• BWas observed at 0220 UTC
• CWas issued at 0220 UTC
• DIs a long range forecast for the 18 hour period from the 2nd at 0200 UTC to the 2nd at 2000 UTC

#1. The weather group RERA in a TAF means:

• ARain in retreat
• BRecent rain
• CReturning rain
• DRetreating rain

#2. TEMPO in a TAF means:

• AA temporary variation to the main forecast that will last for less than one hour, or if recurring, for less than half the period indicated
• BA temporary variation to the main forecast lasting less than an hour
• CThe development of unpredictable conditions that may be a hazard to aviation
• DA variation to the base line conditions laid down in the main forecast that will continue to prevail until the end of the main forecast