// Station · 25m ago

TFFJ

St. Jean Airport

CAT VFR

WIND 070° / 8 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 29°C / 26°C

ALTIM 29.94 inHg

ELEV 49 FT

17.9044°N / 62.8433°W

LOCATION · Gustavia, BL

WIND

070°8 kt

TFFJ · 49 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

070°/8

VIS

6+ SM

CEILING

—

LAYERS

SCT020 SCT035

T / Td

29 / 26

ALTIM

29.94"

// Interpretation

VFR with moderate winds at 070°/8 kt. Visibility 6+ SM and scattered at 2,000 ft, and scattered at 3,500 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 TFFJ 130130Z AUTO 07008KT 050V110 9999 SCT020 SCT035 29/26 Q1014

TFFJ · day 13 at 01:30 UTC · wind from 070° at 8 kt · visibility 6+ SM · scattered layer at 2,000 ft · scattered layer at 3,500 ft · temp 29°C / dewpoint 26°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 8 kt

1 USABLE · 1 AVOID

WIND

070°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

10★ HDG 100° H7 kt X4 kt LEFT PRIMARY · 2,119'

TAILWIND ENDS · AVOID 1 ends

28 HDG 280° T7 kt X4 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 +14°C

1,700FT

+1,651 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV49 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT26 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 +1,651 ft above TFFJ'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)

SCT035

Scattered · base 3,500 ft AGL · ~3–4 oktas

SCT020

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

// Computed

CEILING— HIGHEST LAYER3,500 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL14,695 ft VFR MARGINunlimited

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

10:05ZSUNRISE

15:59ZSOLAR NOON

21:52ZSUNSET

22:14ZCIVIL END

CURRENT01:55Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS22:14Z (past) DAY LENGTH11h 47m

Waxing Crescent

ILLUMINATION3% MOONRISE11:27Z MOONSET23:15Z FULL MOON IN13 days

// Nearest reporting stations

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

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