// Station · 12m ago

GGOV

Osvaldo Vieira International Airport

CAT VFR

WIND 230° / 5 kt

VIS 5.6 SM

CEILING Few/scattered only

T/Td 31°C / 25°C

ALTIM 29.85 inHg

ELEV 129 FT

11.8943°N / 15.6536°W

LOCATION · Bissau, GW

WIND

230°5 kt

GGOV · 129 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

230°/5

VIS

5.6 SM

CEILING

—

LAYERS

SCT011 FEW018

T / Td

31 / 25

ALTIM

29.85"

// Interpretation

VFR with light winds at 230°/5 kt. Visibility 5.6 SM and scattered at 1,100 ft, and a few at 1,800 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 GGOV 251800Z 23005KT 180V280 9000 SCT011 FEW018CB 31/25 Q1011 NOSIG

GGOV · day 25 at 18:00 UTC · wind from 230° at 5 kt · visibility 5.6 SM · scattered layer at 1,100 ft · a few clouds at 1,800 ft · temp 31°C / dewpoint 25°C · altimeter 29.85" Hg

// Runway analysis · computed from current METAR wind

Wind 230° @ 5 kt

1 USABLE · 1 AVOID

WIND

230°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

21★ HDG 210° H5 kt X2 kt RIGHT PRIMARY · 10,499'

TAILWIND ENDS · AVOID 1 ends

03 HDG 030° T5 kt X2 kt LEFT —

Pattern altitude: 1,129 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 +16°C

2,200FT

+2,071 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV129 FT OAT+31°C ISA DELTA+16°C PRESSURE ALT194 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 +2,071 ft above GGOV's actual elevation.

// Aircraft performance impact SIGNIFICANT

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. 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)

FEW018

Few · base 1,800 ft AGL · ~1–2 oktas

SCT011

Scattered · base 1,100 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER1,800 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL15,786 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-1)

06:53ZSUNRISE

13:06ZSOLAR NOON

19:18ZSUNSET

19:40ZCIVIL END

CURRENT18:12Z DAYLIGHT REMAINING1h 06m VFR NIGHT BEGINS19:40Z (1h 28m) DAY LENGTH12h 25m

Waxing Gibbous

ILLUMINATION94% MOONRISE16:59Z MOONSET05:25Z 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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