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Flight Lisbon to Bordeaux, ETA 1800 UTC. What type of precipitation is forecast on the approach to Bordeaux?

TAF LFBD 281400Z 2815/2824 26015KT 9999 SHRA BKN020 TEMPO 2816/2820 26020G30KT 3000 +SHRA BKN015CB PROB30 2816/2820 TSRA=

  • A
    Light drizzle and fog
  • B
    Moderate snow showers
  • C
    Continuous moderate rain
  • D
    Heavy rain showers

Refer to figures.
TAF LFBD 281400Z 2815/2824 26015KT 9999 SHRA BKN020 TEMPO 2816/2820 26020G30KT 3000 +SHRA BKN015CB PROB30 2816/2820 TSRA=

SHRA → moderate rain showers (prevailing weather), expected to occur during the approach 15-24 UTC.
TEMPO +SHRA → temporary periods of heavy rain showers, expected at times between 16-20 UTC, but only temporarily. They may occur during your approach, but they may also not be happening exactly at ~1800 UTC.
PROB30 TSRA → 30% probability of thunderstorms with rain, possible to happen, but not guaranteed.

From the available options, the only suitable answer is “Heavy rain showers”.

TEMPO - Temporary fluctuations in the forecast conditions, each lasting less than 1 hour, and in total occurring for less than half of the specified period.
PROB30 - indicates a 30% probability that the specified weather phenomenon will occur during the stated period.

 

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