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// Station · 13m ago

GVNP

Nelson Mandela International Airport
CAT VFR
WIND 070° / 4 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 31°C / 19°C
ALTIM 29.88 inHg
ELEV 230 FT
14.9411°N / 23.4847°W
LOCATION · Praia, CV
N
WIND
070°4 kt
GVNP · 230 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
070°/4
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW018
 
 
 
T / Td
31 / 19
 
 
 
ALTIM
29.88"
 
 
 

// Interpretation

VFR with light winds at 070°/4 kt. Visibility 6+ SM 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 GVNP 111600Z 07004KT 270V140 9999 FEW018 31/19 Q1012 NOSIG

GVNP · day 11 at 16:00 UTC · wind from 070° at 4 kt · visibility 6+ SM · a few clouds at 1,800 ft · temp 31°C / dewpoint 19°C · altimeter 29.88" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
070°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
03 HDG 030° CALM 6,890'
21 HDG 210° CALM 6,890'
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 +17°C

2,200FT
+1,970 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +200 FT
2,400 1,800 1,200
24h AGO18h12h6hNOW
FIELD ELEV230 FT OAT+31°C ISA DELTA+17°C PRESSURE ALT266 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 +1,970 ft above GVNP'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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 15,887 FT FEW018 GVNP ELEV · 230 FT
// Reported layers (highest → lowest)
FEW018
Few · base 1,800 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER1,800 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL15,887 ft VFR MARGINunlimited

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

07:11ZSUNRISE
13:40ZSOLAR NOON
20:09ZSUNSET
20:32ZCIVIL END
CURRENT16:13Z DAYLIGHT REMAINING3h 55m VFR NIGHT BEGINS20:32Z (4h 18m) DAY LENGTH12h 57m
Waning Crescent
ILLUMINATION11% MOONRISE04:39Z MOONSET17:37Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 150 NM (sparse area)

// Area map · 160 NM radius · CartoDB Dark Matter + aeronautical overlay

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