// Station · 8m ago

VNKT

Tribhuvan International Airport

CAT MVFR

WIND 230° / 5 kt

VIS 4.3 SM

CEILING BKN at 10,000 ft

T/Td 25°C / 22°C

ALTIM 29.91 inHg

ELEV 4,390 FT

27.6966°N / 85.3591°E

LOCATION · Kathmandu, NP

WIND

230°5 kt

VNKT · 4,390 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

230°/5

VIS

4.3 SM

CEILING

BKN100

LAYERS

FEW010 FEW025 SCT030 BKN100

T / Td

25 / 22

ALTIM

29.91"

// Interpretation

MVFR — visibility 4.3 SM. Light winds at 230°/5 kt, visibility 4.3 SM, a few at 1,000 ft, a few at 2,500 ft, scattered at 3,000 ft, and broken at 10,000 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR VNKT 251400Z 23005KT 7000 FEW010 FEW025CB SCT030 BKN100 25/22 Q1013 NOSIG CB TO SW W AND N

VNKT · day 25 at 14:00 UTC · wind from 230° at 5 kt · visibility 4.3 SM · a few clouds at 1,000 ft · a few clouds at 2,500 ft · scattered layer at 3,000 ft · broken layer at 10,000 ft · temp 25°C / dewpoint 22°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind 230° @ 5 kt

1 USABLE · 1 AVOID

WIND

230°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

20★ HDG 200° H4 kt X2 kt RIGHT PRIMARY · 10,991'

TAILWIND ENDS · AVOID 1 ends

02 HDG 020° T4 kt X3 kt LEFT —

Pattern altitude: 5,390 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 +19°C

6,600FT

+2,210 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV4,390 FT OAT+25°C ISA DELTA+19°C PRESSURE ALT4,396 FT

// Performance equivalent Your aircraft will perform as if it's at a field 6,600 ft high on a standard ISA day — that's +2,210 ft above VNKT's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+66%

-46%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+46%

-30%

Light jetCJ4, Phenom 300, M2

+26%

-20%

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 · 4 reported · highest to lowest

// Reported layers (highest → lowest)

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

SCT030

Scattered · base 3,000 ft AGL · ~3–4 oktas

FEW025

Few · base 2,500 ft AGL · ~1–2 oktas

FEW010

Few · base 1,000 ft AGL · ~1–2 oktas

// Computed

CEILING10,000 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~99% (overcast) FREEZING LEVEL17,016 ft VFR MARGIN+7,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+6)

23:55ZSUNRISE

06:22ZSOLAR NOON

12:49ZSUNSET

13:13ZCIVIL END

CURRENT14:08Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS13:13Z (past) DAY LENGTH12h 54m

Waxing Gibbous

ILLUMINATION93% MOONRISE09:53Z MOONSET22:47Z FULL MOON IN2 days

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

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