TAF Daily

Puzzle #70 was DRRN (Diori Hamani International Airport).

TAF DRRN 170155Z 1702/1806 04025KT 2000 BLDU -TSRA FEW020 FEW030CB BECMG 1702/1702 04012KT 3500 TSRA BECMG 1704/1706 6000 -TSRA FM170800 20006KT 9999 SCT016 TEMPO 1716/1722 TS FEW026CB PROB40 TEMPO 1722/1804 08025G35KT 1200 SQ BLDU TSRA BKN014 SCT020CB

Airport info for DRRN →

How it scored

TAF
Terminal aerodrome forecast
DRRN
Station DRRN
170155Z
Issued on the 17 at 0155 Zulu (UTC)
1702/1806
Valid from the 17 at 0200 Zulu to the 18 at 0600 Zulu
04025KT
Wind from 40° at 25 knots
2000
Visibility 2,000 meters
BLDU
Blowing widespread dust
-TSRA
Light thunderstorm with rain
FEW020
Few clouds at 2,000 ft
FEW030CB
Few clouds at 3,000 ft (cumulonimbus)
BECMG 1702/1702
Becoming, gradually over the 17 at 0200 Zulu to the 17 at 0200 Zulu
04012KT
Wind from 40° at 12 knots
3500
Visibility 3,500 meters
TSRA
Thunderstorm with rain
BECMG 1704/1706
Becoming, gradually over the 17 at 0400 Zulu to the 17 at 0600 Zulu
6000
Visibility 6,000 meters
-TSRA
Light thunderstorm with rain
FM170800
Rapid change from the 17 at 0800 Zulu
20006KT
Wind from 200° at 6 knots
9999
Visibility 10 km or more
SCT016
Scattered clouds at 1,600 ft
TEMPO 1716/1722
Temporarily, the 17 at 1600 Zulu to the 17 at 2200 Zulu
TS
Thunderstorm with
FEW026CB
Few clouds at 2,600 ft (cumulonimbus)
PROB40 TEMPO 1722/1804
40% probability of temporary conditions, the 17 at 2200 Zulu to the 18 at 0400 Zulu
08025G35KT
Wind from 80° at 25 knots, gusting 35
1200
Visibility 1,200 meters
SQ
Squalls
BLDU
Blowing widespread dust
TSRA
Thunderstorm with rain
BKN014
Broken clouds at 1,400 ft
SCT020CB
Scattered clouds at 2,000 ft (cumulonimbus)

Also on the record

Over what UTC (Zulu) period is this forecast valid?
day 17 at 02:00Z to day 18 at 06:00Z
What is the flight category of the initial (base) forecast period?
IFR
Across the whole forecast, what is the worst (most restrictive) flight category at any point?
LIFR
In this forecast, what does the group beginning "PROB40 TEMPO 1722/1804" indicate?
A 40% probability of the stated conditions during that window.
What does this forecast say about convective (thunderstorm) weather?
Thunderstorms or cumulonimbus (CB) clouds are explicitly forecast.

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