// Station · 10m ago

LPPR

Francisco de Sá Carneiro Airport

CAT VFR

WIND 250° / 6 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 22°C / 18°C

ALTIM 29.94 inHg

ELEV 228 FT

41.2481°N / 8.6814°W

LOCATION · Porto, PT

WIND

250°6 kt

LPPR · 228 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

250°/6

VIS

6+ SM

CEILING

—

LAYERS

FEW010

T / Td

22 / 18

ALTIM

29.94"

// Interpretation

VFR with light winds at 250°/6 kt. Visibility 6+ SM and a few at 1,000 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 LPPR 251800Z 25006KT 200V300 9999 FEW010 22/18 Q1014

LPPR · day 25 at 18:00 UTC · wind from 250° at 6 kt · visibility 6+ SM · a few clouds at 1,000 ft · temp 22°C / dewpoint 18°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 250° @ 6 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

250°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

17★ HDG 170° H1 kt X6 kt RIGHT PRIMARY · 11,417'

TAILWIND ENDS · AVOID 1 ends

35 HDG 350° T1 kt X6 kt LEFT —

Pattern altitude: 1,228 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 +7°C

1,100FT

+872 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV228 FT OAT+22°C ISA DELTA+7°C PRESSURE ALT205 FT

// Performance equivalent Operating here right now feels like operating at LPVL (Vilar de Luz Airfield, Maia, elev 762 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+11%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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)

FEW010

Few · base 1,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER1,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,339 ft VFR MARGINunlimited

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

05:55ZSUNRISE

12:38ZSOLAR NOON

19:21ZSUNSET

19:50ZCIVIL END

CURRENT18:10Z DAYLIGHT REMAINING1h 10m VFR NIGHT BEGINS19:50Z (1h 39m) DAY LENGTH13h 26m

Waxing Gibbous

ILLUMINATION94% MOONRISE16:01Z MOONSET05:27Z 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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