TAF Daily
Puzzle #9 was CYYT (St. John's International Airport).
TAF CYYT 172340Z 1800/1824 26015KT P6SM SCT020 TEMPO 1800/1801 BKN020 FM180100 26015KT P6SM SKC FM180600 25012KT P6SM SCT004 BKN015 PROB30 1806/1812 2SM BR BKN004 FM181200 27012KT P6SM BKN020 FM181400 27012G22KT P6SM BKN025 FM181600 27012G22KT P6SM BKN040 BECMG 1822/1824 26010KT RMK NXT FCST BY 180600Z
How it scored
- TAF
- Terminal aerodrome forecast
- CYYT
- Station CYYT
- 172340Z
- Issued on the 17 at 2340 Zulu (UTC)
- 1800/1824
- Valid from the 18 at 0000 Zulu to the 18 at 2400 Zulu
- 26015KT
- Wind from 260° at 15 knots
- P6SM
- Visibility greater than 6 statute miles
- SCT020
- Scattered clouds at 2,000 ft
- TEMPO 1800/1801
- Temporarily, the 18 at 0000 Zulu to the 18 at 0100 Zulu
- BKN020
- Broken clouds at 2,000 ft
- FM180100
- Rapid change from the 18 at 0100 Zulu
- 26015KT
- Wind from 260° at 15 knots
- P6SM
- Visibility greater than 6 statute miles
- SKC
- Sky clear (no cloud, manual observation)
- FM180600
- Rapid change from the 18 at 0600 Zulu
- 25012KT
- Wind from 250° at 12 knots
- P6SM
- Visibility greater than 6 statute miles
- SCT004
- Scattered clouds at 400 ft
- BKN015
- Broken clouds at 1,500 ft
- PROB30 1806/1812
- 30% probability of temporary conditions, the 18 at 0600 Zulu to the 18 at 1200 Zulu
- 2SM
- Visibility 2 statute miles
- BR
- Mist
- BKN004
- Broken clouds at 400 ft
- FM181200
- Rapid change from the 18 at 1200 Zulu
- 27012KT
- Wind from 270° at 12 knots
- P6SM
- Visibility greater than 6 statute miles
- BKN020
- Broken clouds at 2,000 ft
- FM181400
- Rapid change from the 18 at 1400 Zulu
- 27012G22KT
- Wind from 270° at 12 knots, gusting 22
- P6SM
- Visibility greater than 6 statute miles
- BKN025
- Broken clouds at 2,500 ft
- FM181600
- Rapid change from the 18 at 1600 Zulu
- 27012G22KT
- Wind from 270° at 12 knots, gusting 22
- P6SM
- Visibility greater than 6 statute miles
- BKN040
- Broken clouds at 4,000 ft
- BECMG 1822/1824
- Becoming, gradually over the 18 at 2200 Zulu to the 18 at 2400 Zulu
- 26010KT
- Wind from 260° at 10 knots
- RMK NXT FCST BY 180600Z
- Remarks (not decoded): NXT FCST BY 180600Z
Also on the record
- Over what UTC (Zulu) period is this forecast valid?
- day 18 at 00:00Z to day 18 at 24:00Z
- What is the flight category of the initial (base) forecast period?
- VFR
- Across the whole forecast, how does the ceiling change?
- The ceiling lowers (deteriorates) later in the forecast.
- Across the whole forecast, what is the worst (most restrictive) flight category at any point?
- LIFR
- In this forecast, what does the group beginning "FM180600" indicate?
- A rapid, complete change to new prevailing conditions from that time onward.