// Station · 18m ago

FKYS

Yaoundé Nsimalen International Airport

CAT MVFR

WIND VRB / 2 kt

VIS 5.0 SM

CEILING Few/scattered only

T/Td 29°C / 21°C

ALTIM 29.88 inHg

ELEV 2,278 FT

3.7226°N / 11.5533°E

LOCATION · Yaoundé, CM

WIND

VRB2 kt

FKYS · 2,278 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

VRB/2

VIS

5.0 SM

CEILING

—

LAYERS

SCT020

T / Td

29 / 21

ALTIM

29.88"

// Interpretation

MVFR — visibility 5.0 SM. Light winds at variable/2 kt, visibility 5.0 SM, scattered at 2,000 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 FKYS 251600Z VRB02KT 8000 SCT020 29/21 Q1012 NOSIG

FKYS · day 25 at 16:00 UTC · wind variable at 2 kt · visibility 5.0 SM · scattered layer at 2,000 ft · temp 29°C / dewpoint 21°C · altimeter 29.88" 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 2 ends

01 HDG 010° —CALM —— 11,155'

19 HDG 190° —CALM —— 11,155'

Pattern altitude: 3,278 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

4,500FT

+2,222 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV2,278 FT OAT+29°C ISA DELTA+19°C PRESSURE ALT2,314 FT

// Performance equivalent Operating here right now feels like operating at FKKU (Bafoussam Airport, Bafoussam, elev 4,347 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+45%

-32%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+32%

-20%

Light jetCJ4, Phenom 300, M2

+18%

-14%

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)

SCT020

Scattered · base 2,000 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER2,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL16,924 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

05:11ZSUNRISE

11:17ZSOLAR NOON

17:23ZSUNSET

17:44ZCIVIL END

CURRENT16:18Z DAYLIGHT REMAINING1h 05m VFR NIGHT BEGINS17:44Z (1h 26m) DAY LENGTH12h 12m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:13Z MOONSET03:26Z 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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