// Station · 49m ago

FPST

São Tomé International Airport

CAT VFR

WIND 140° / 6 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 33°C / 26°C

ALTIM 29.91 inHg

ELEV 33 FT

0.3782°N / 6.7122°E

LOCATION · São Tomé, ST

WIND

140°6 kt

FPST · 33 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

140°/6

VIS

6+ SM

CEILING

—

LAYERS

FEW025

T / Td

33 / 26

ALTIM

29.91"

// Interpretation

VFR with light winds at 140°/6 kt. Visibility 6+ SM and a few at 2,500 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 FPST 271000Z 14006KT 9999 FEW025 33/26 Q1013 NOSIG

FPST · day 27 at 10:00 UTC · wind from 140° at 6 kt · visibility 6+ SM · a few clouds at 2,500 ft · temp 33°C / dewpoint 26°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind 140° @ 6 kt

1 USABLE · 1 AVOID

WIND

140°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

11★ HDG 110° H5 kt X3 kt RIGHT PRIMARY · 7,283'

TAILWIND ENDS · AVOID 1 ends

29 HDG 290° T5 kt X3 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 +18°C

2,200FT

+2,167 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV33 FT OAT+33°C ISA DELTA+18°C PRESSURE ALT39 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,200 ft high on a standard ISA day — that's +2,167 ft above FPST's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+22%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-10%

Light jetCJ4, Phenom 300, M2

+9%

-7%

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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW025

Few · base 2,500 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,500 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL16,700 ft VFR MARGINunlimited

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

05:27ZSUNRISE

11:31ZSOLAR NOON

17:35ZSUNSET

17:58ZCIVIL END

CURRENT10:49Z DAYLIGHT REMAINING6h 46m VFR NIGHT BEGINS17:58Z (7h 08m) DAY LENGTH12h 08m

Waxing Gibbous

ILLUMINATION83% MOONRISE14:10Z MOONSET02:18Z FULL MOON IN4 days

// Nearest reporting stations · 2 shown · 200 NM (very sparse)

FOOG

VFR

Port Gentil International Airport · Port Gentil

WIND: 220° / 10 kt
VIS: 6+ SM
CEILING: FEW010
DIST: 139 NM SE
AGE: 49m ago

FOOL

MVFR

Libreville Leon M'ba International Airport · Libreville

WIND: 200° / 5 kt
VIS: 5.0 SM
CEILING: SCT012
DIST: 162 NM E
AGE: 49m ago

// Area map · 180 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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