// Station · 16m ago

WSSS

Singapore Changi Airport

CAT VFR

WIND 100° / 7 kt

VIS 6+ SM

CEILING BKN at 30,000 ft

T/Td 29°C / 24°C

ALTIM 29.91 inHg

ELEV 22 FT

1.3502°N / 103.9940°E

LOCATION · Singapore, SG

WIND

100°7 kt

WSSS · 22 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

100°/7

VIS

6+ SM

CEILING

BKN300

LAYERS

FEW016 BKN300

T / Td

29 / 24

ALTIM

29.91"

// Interpretation

VFR — ceiling 30,000 ft. Light winds at 100°/7 kt, visibility 6+ SM, a few at 1,600 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 251600Z 10007KT 9999 FEW016 BKN300 29/24 Q1013 NOSIG

WSSS · day 25 at 16:00 UTC · wind from 100° at 7 kt · visibility 6+ SM · a few clouds at 1,600 ft · broken layer at 30,000 ft · temp 29°C / dewpoint 24°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind 100° @ 7 kt

2 USABLE · 2 AVOID · 2 CAUTION

WIND

100°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

02C★ HDG 020° H1 kt X7 kt RIGHT PRIMARY · 13,123'

02L HDG 020° H1 kt X7 kt RIGHT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 2 ends

20C HDG 200° T1 kt X7 kt LEFT —

20R HDG 200° T1 kt X7 kt LEFT —

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 +14°C

1,700FT

+1,678 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV22 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT28 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,700 ft high on a standard ISA day — that's +1,678 ft above WSSS's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN300

Broken · base 30,000 ft AGL · ~5–7 oktas

FEW016

Few · base 1,600 ft AGL · ~1–2 oktas

// Computed

CEILING30,000 ft AGL HIGHEST LAYER30,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL14,668 ft VFR MARGIN+27,000 ft

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

23:03ZSUNRISE

05:07ZSOLAR NOON

11:12ZSUNSET

11:33ZCIVIL END

CURRENT16:16Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:33Z (past) DAY LENGTH12h 08m

Waxing Gibbous

ILLUMINATION94% MOONRISE09:05Z MOONSET21:14Z FULL MOON IN2 days

// Nearest reporting stations

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

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