// Station · 33m ago

VHHH

Hong Kong International Airport

CAT VFR

WIND VRB / 2 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 29°C / 22°C

ALTIM 30.06 inHg

ELEV 28 FT

22.3118°N / 113.9149°E

LOCATION · Hong Kong, HK

WIND

VRB2 kt

VHHH · 28 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

VRB/2

VIS

6+ SM

CEILING

—

LAYERS

FEW030

T / Td

29 / 22

ALTIM

30.06"

// Interpretation

VFR with light winds at variable/2 kt. Visibility 6+ SM and a few at 3,000 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 VHHH 130130Z VRB02KT 9999 FEW030 29/22 Q1018 BECMG 27010KT

VHHH · day 13 at 01:30 UTC · wind variable at 2 kt · visibility 6+ SM · a few clouds at 3,000 ft · temp 29°C / dewpoint 22°C · altimeter 30.06" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 6 ends

07C HDG 070° —CALM —— 12,467'

25C HDG 250° —CALM —— 12,467'

07L HDG 070° —CALM —— 12,467'

25R HDG 250° —CALM —— 12,467'

07R HDG 070° —CALM —— 12,467'

25L HDG 250° —CALM —— 12,467'

Pattern altitude: 1,028 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

1,500FT

+1,472 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV28 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT-114 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,500 ft high on a standard ISA day — that's +1,472 ft above VHHH's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW030

Few · base 3,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER3,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL14,674 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+8)

22:20ZSUNRISE

04:11ZSOLAR NOON

10:02ZSUNSET

10:25ZCIVIL END

CURRENT02:03Z DAYLIGHT REMAINING7h 59m VFR NIGHT BEGINS10:25Z (8h 21m) DAY LENGTH11h 42m

Waxing Crescent

ILLUMINATION3% MOONRISE23:43Z MOONSET11:25Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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