// Station · 4h 3m ago · STALE

FPST

São Tomé International Airport

CAT VFR

WIND 170° / 10 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 29°C / 26°C

ALTIM — inHg

ELEV 33 FT

0.3782°N / 6.7122°E

LOCATION · São Tomé, ST

WIND

170°10 kt

FPST · 33 FT

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

METRIC

NOW · 21Z

+6H

+12H

+18H

WIND

170°/10

VIS

6+ SM

CEILING

—

LAYERS

FEW020

T / Td

29 / 26

ALTIM

—

// Interpretation

VFR with moderate winds at 170°/10 kt. Visibility 6+ SM and a few at 2,000 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 FPST 122100Z 17010 9999 FEW020 29/26 1013

FPST · day 12 at 21:00 UTC · wind from 170° at 10 kt · visibility 6+ SM · a few clouds at 2,000 ft · temp 29°C / dewpoint 26°C

// Runway analysis · computed from current METAR wind

Wind 170° @ 10 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

170°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

11★ HDG 110° H5 kt X9 kt RIGHT PRIMARY · 7,283'

TAILWIND ENDS · AVOID 1 ends

29 HDG 290° T5 kt X9 kt LEFT —

Pattern altitude: 1,033 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

+1,667 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV33 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT33 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 +1,667 ft above FPST'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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL14,679 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+0)

05:17ZSUNRISE

11:20ZSOLAR NOON

17:23ZSUNSET

17:44ZCIVIL END

CURRENT01:03Z DAYLIGHT REMAINING16h 20m VFR NIGHT BEGINS17:44Z (16h 41m) DAY LENGTH12h 06m

Waxing Crescent

ILLUMINATION3% MOONRISE06:38Z MOONSET18:44Z 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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