TAF Daily
Puzzle #22 was EFHK (Helsinki Vantaa Airport).
TAF EFHK 310531Z 3106/0106 18014KT CAVOK TEMPO 3108/3111 18015G25KT BECMG 3112/3114 24010G25KT 4000 TSRA SCT050CB BECMG 3114/3116 9999 NSW FEW030 PROB30 3116/3118 BKN010 FEW050CB TEMPO 0100/0105 1300 BCFG BKN002
How it scored
- TAF
- Terminal aerodrome forecast
- EFHK
- Station EFHK
- 310531Z
- Issued on the 31 at 0531 Zulu (UTC)
- 3106/0106
- Valid from the 31 at 0600 Zulu to the 01 at 0600 Zulu
- 18014KT
- Wind from 180° at 14 knots
- CAVOK
- Ceiling and visibility OK (visibility 10 km+, no cloud below 5,000 ft or below the highest minimum sector altitude, no significant weather)
- TEMPO 3108/3111
- Temporarily, the 31 at 0800 Zulu to the 31 at 1100 Zulu
- 18015G25KT
- Wind from 180° at 15 knots, gusting 25
- BECMG 3112/3114
- Becoming, gradually over the 31 at 1200 Zulu to the 31 at 1400 Zulu
- 24010G25KT
- Wind from 240° at 10 knots, gusting 25
- 4000
- Visibility 4,000 meters
- TSRA
- Thunderstorm with rain
- SCT050CB
- Scattered clouds at 5,000 ft (cumulonimbus)
- BECMG 3114/3116
- Becoming, gradually over the 31 at 1400 Zulu to the 31 at 1600 Zulu
- 9999
- Visibility 10 km or more
- NSW
- No significant weather
- FEW030
- Few clouds at 3,000 ft
- PROB30 3116/3118
- 30% probability of temporary conditions, the 31 at 1600 Zulu to the 31 at 1800 Zulu
- BKN010
- Broken clouds at 1,000 ft
- FEW050CB
- Few clouds at 5,000 ft (cumulonimbus)
- TEMPO 0100/0105
- Temporarily, the 01 at 0000 Zulu to the 01 at 0500 Zulu
- 1300
- Visibility 1,300 meters
- BCFG
- Patches of fog
- BKN002
- Broken clouds at 200 ft
Also on the record
- Over what UTC (Zulu) period is this forecast valid?
- day 31 at 06:00Z to day 01 at 06:00Z
- What is the flight category of the initial (base) forecast period?
- VFR
- Across the whole forecast, what is the worst (most restrictive) flight category at any point?
- LIFR
- In this forecast, what does the group beginning "TEMPO 3108/3111" indicate?
- Temporary fluctuations, each lasting under an hour, within that window.
- What does this forecast say about convective (thunderstorm) weather?
- Thunderstorms or cumulonimbus (CB) clouds are explicitly forecast.