// Station · 12m ago

GVNP

Nelson Mandela International Airport

CAT MVFR

WIND 080° / 16 kt

VIS 6+ SM

CEILING BKN at 1,900 ft

T/Td 29°C / 25°C

ALTIM 29.85 inHg

ELEV 230 FT

14.9411°N / 23.4847°W

LOCATION · Praia, CV

WIND

080°16 kt

GVNP · 230 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

080°/16

VIS

6+ SM

CEILING

BKN019

LAYERS

BKN019

T / Td

29 / 25

ALTIM

29.85"

// Interpretation

MVFR — ceiling 1,900 ft. Brisk winds at 080°/16 kt, visibility 6+ SM, broken at 1,900 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR GVNP 251800Z 08016KT 9999 BKN019 29/25 Q1011 NOSIG

GVNP · day 25 at 18:00 UTC · wind from 080° at 16 kt · visibility 6+ SM · broken layer at 1,900 ft · temp 29°C / dewpoint 25°C · altimeter 29.85" Hg

// Runway analysis · computed from current METAR wind

Wind 080° @ 16 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

080°16 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

03★ HDG 030° H10 kt X12 kt RIGHT PRIMARY · 6,890'

TAILWIND ENDS · AVOID 1 ends

21 HDG 210° T10 kt X12 kt LEFT —

Pattern altitude: 1,230 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 +15°C

2,000FT

+1,770 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV230 FT OAT+29°C ISA DELTA+15°C PRESSURE ALT295 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,000 ft high on a standard ISA day — that's +1,770 ft above GVNP's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+20%

-14%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+14%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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)

BKN019

Broken · base 1,900 ft AGL · ~5–7 oktas

// Computed

CEILING1,900 ft AGL HIGHEST LAYER1,900 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL14,876 ft VFR MARGIN-1,100 ft

// Sun & Moon · times in Z · bar = local day (UTC-2)

07:22ZSUNRISE

13:37ZSOLAR NOON

19:52ZSUNSET

20:14ZCIVIL END

CURRENT18:12Z DAYLIGHT REMAINING1h 40m VFR NIGHT BEGINS20:14Z (2h 02m) DAY LENGTH12h 30m

Waxing Gibbous

ILLUMINATION94% MOONRISE17:28Z MOONSET05:59Z 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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