// Station · 28m ago

FPST

São Tomé International Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING Few/scattered only

T/Td 26°C / 23°C

ALTIM 29.94 inHg

ELEV 33 FT

0.3782°N / 6.7122°E

LOCATION · São Tomé, ST

WIND

—calm

FPST · 33 FT

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

METRIC

NOW · 07Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

—

LAYERS

FEW025 SCT110

T / Td

26 / 23

ALTIM

29.94"

// Interpretation

VFR with winds calm. Visibility 6+ SM and a few at 2,500 ft, and scattered at 11,000 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 170700Z 0000KT 9999 FEW025 SCT110 26/23 Q1014 NOSIG

FPST · day 17 at 07:00 UTC · winds calm · visibility 6+ SM · a few clouds at 2,500 ft · scattered layer at 11,000 ft · temp 26°C / dewpoint 23°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

CALMcalm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

11 HDG 110° —CALM —— 7,283'

29 HDG 290° —CALM —— 7,283'

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 +11°C

1,300FT

+1,267 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV33 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT10 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,300 ft high on a standard ISA day — that's +1,267 ft above FPST's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+13%

-9%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+9%

-6%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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)

SCT110

Scattered · base 11,000 ft AGL · ~3–4 oktas

FEW025

Few · base 2,500 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER11,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL13,164 ft VFR MARGINunlimited

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

05:34ZSUNRISE

11:38ZSOLAR NOON

17:42ZSUNSET

18:03ZCIVIL END

CURRENT07:28Z DAYLIGHT REMAINING10h 14m VFR NIGHT BEGINS18:03Z (10h 35m) DAY LENGTH12h 07m

Waxing Crescent

ILLUMINATION17% MOONRISE08:49Z MOONSET20:56Z FULL MOON IN11 days

// Nearest reporting stations

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

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