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// Station · 21m ago

WSSS

Singapore Changi Airport
CAT VFR
WIND 160° / 7 kt
VIS 6+ SM
CEILING BKN at 30,000 ft
T/Td 30°C / 26°C
ALTIM 29.80 inHg
ELEV 22 FT
1.3502°N / 103.9940°E
LOCATION · Singapore, SG
N
WIND
160°7 kt
WSSS · 22 FT
© OSM · CartoDB

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
160°/7
 
 
 
VIS
6+ SM
 
 
 
CEILING
BKN300
 
 
 
LAYERS
FEW018 BKN300
 
 
 
T / Td
30 / 26
 
 
 
ALTIM
29.80"
 
 
 

// Interpretation

VFR — ceiling 30,000 ft. Light winds at 160°/7 kt, visibility 6+ SM, a few at 1,800 ft, and broken at 30,000 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR WSSS 271030Z 16007KT 130V190 9999 FEW018 BKN300 30/26 Q1009 NOSIG

WSSS · day 27 at 10:30 UTC · wind from 160° at 7 kt · visibility 6+ SM · a few clouds at 1,800 ft · broken layer at 30,000 ft · temp 30°C / dewpoint 26°C · altimeter 29.80" Hg

// Runway analysis · computed from current METAR wind

Wind 160° @ 7 kt
2 USABLE · 2 AVOID
N
WIND
160°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
20C HDG 200° H5 kt X4 kt LEFT PRIMARY · 13,123'
20R HDG 200° H5 kt X4 kt LEFT 13,123'
TAILWIND ENDS · AVOID 2 ends
02C HDG 020° T5 kt X4 kt RIGHT
02L HDG 020° T5 kt X4 kt RIGHT
Pattern altitude: 1,022 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +15°C

2,000FT
+1,978 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
2,500 1,850 1,200
24h AGO18h12h6hNOW
FIELD ELEV22 FT OAT+30°C ISA DELTA+15°C PRESSURE ALT146 FT
// Performance equivalent Your aircraft will perform as if it's at a field 2,000 ft high on a standard ISA day — that's +1,978 ft above WSSS's actual elevation.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+20%
-14%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+14%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.

// Cloud layers · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 15,174 FT FEW018 BKN300 · CEILING WSSS ELEV · 22 FT
// Reported layers (highest → lowest)
BKN300
Broken · base 30,000 ft AGL · ~5–7 oktas
FEW018
Few · base 1,800 ft AGL · ~1–2 oktas
// Computed
CEILING30,000 ft AGL HIGHEST LAYER30,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL15,174 ft VFR MARGIN+27,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+7)

22:56ZSUNRISE
05:02ZSOLAR NOON
11:08ZSUNSET
11:30ZCIVIL END
CURRENT10:51Z DAYLIGHT REMAINING16m VFR NIGHT BEGINS11:30Z (39m) DAY LENGTH12h 11m
Waxing Gibbous
ILLUMINATION83% MOONRISE07:39Z MOONSET19:51Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 60 NM radius

// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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