// Station · 16m ago

TFFJ

St. Jean Airport

CAT MVFR

WIND 050° / 15 kt

VIS 6+ SM

CEILING BKN at 2,000 ft

T/Td 31°C / 27°C

ALTIM 30.03 inHg

ELEV 49 FT

17.9044°N / 62.8433°W

LOCATION · Gustavia, BL

WIND

050°15 kt

TFFJ · 49 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

050°/15

VIS

6+ SM

CEILING

BKN020

LAYERS

BKN020 BKN028 OVC041

T / Td

31 / 27

ALTIM

30.03"

// Interpretation

MVFR — ceiling 2,000 ft. Brisk winds at 050°/15 kt, visibility 6+ SM, broken at 2,000 ft, broken at 2,800 ft, and overcast at 4,100 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 TFFJ 251600Z AUTO 05015KT 9999 BKN020 BKN028 OVC041 31/27 Q1017

TFFJ · day 25 at 16:00 UTC · wind from 050° at 15 kt · visibility 6+ SM · broken layer at 2,000 ft · broken layer at 2,800 ft · overcast at 4,100 ft · temp 31°C / dewpoint 27°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind 050° @ 15 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

050°15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

10★ HDG 100° H10 kt X11 kt LEFT PRIMARY · 2,119'

TAILWIND ENDS · AVOID 1 ends

28 HDG 280° T10 kt X11 kt RIGHT —

Pattern altitude: 1,049 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 +16°C

1,800FT

+1,751 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV49 FT OAT+31°C ISA DELTA+16°C PRESSURE ALT-63 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,800 ft high on a standard ISA day — that's +1,751 ft above TFFJ's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC041

Overcast · base 4,100 ft AGL · 8 oktas

BKN028

Broken · base 2,800 ft AGL · ~5–7 oktas

BKN020

Broken · base 2,000 ft AGL · ~5–7 oktas

// Computed

CEILING2,000 ft AGL HIGHEST LAYER4,100 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL15,706 ft VFR MARGIN-1,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-4)

09:57ZSUNRISE

16:15ZSOLAR NOON

22:32ZSUNSET

22:54ZCIVIL END

CURRENT16:16Z DAYLIGHT REMAINING6h 15m VFR NIGHT BEGINS22:54Z (6h 38m) DAY LENGTH12h 35m

Waxing Gibbous

ILLUMINATION94% MOONRISE19:59Z MOONSET08:35Z FULL MOON IN2 days

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

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