// Station · 1h 0m ago · STALE

FPST

São Tomé International Airport

CAT VFR

WIND 150° / 16 kt

VIS 6+ SM

CEILING BKN at 4,000 ft

T/Td 28°C / 25°C

ALTIM 29.83 inHg

ELEV 33 FT

0.3782°N / 6.7122°E

LOCATION · São Tomé, ST

WIND

150°16 kt

FPST · 33 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

150°/16

VIS

6+ SM

CEILING

BKN040

LAYERS

SCT020 BKN040

T / Td

28 / 25

ALTIM

29.83"

// Interpretation

VFR — ceiling 4,000 ft. Brisk winds at 150°/16 kt, visibility 6+ SM, scattered at 2,000 ft, and broken at 4,000 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 251600Z 15016KT 9999 SCT020 BKN040 28/25 Q1010 NOSIG

FPST · day 25 at 16:00 UTC · wind from 150° at 16 kt · visibility 6+ SM · scattered layer at 2,000 ft · broken layer at 4,000 ft · temp 28°C / dewpoint 25°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 150° @ 16 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

150°16 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

11★ HDG 110° H12 kt X10 kt RIGHT PRIMARY · 7,283'

TAILWIND ENDS · AVOID 1 ends

29 HDG 290° T12 kt X10 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 +13°C

1,700FT

+1,667 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV33 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT128 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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN040

Broken · base 4,000 ft AGL · ~5–7 oktas

SCT020

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

// Computed

CEILING4,000 ft AGL HIGHEST LAYER4,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL14,174 ft VFR MARGIN+1,000 ft

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

05:33ZSUNRISE

11:36ZSOLAR NOON

17:40ZSUNSET

18:01ZCIVIL END

CURRENT17:00Z DAYLIGHT REMAINING39m VFR NIGHT BEGINS18:01Z (1h 00m) DAY LENGTH12h 07m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:37Z MOONSET03:44Z 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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