// Station · 12m ago

LFOP

Rouen Vallée de Seine Airport

CAT —

WIND 050° / 3 kt

VIS 6+ SM

CEILING —

T/Td 24°C / 14°C

ALTIM 29.83 inHg

ELEV 512 FT

49.3849°N / 1.1791°E

LOCATION · Boos, FR

WIND

050°3 kt

LFOP · 512 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

050°/3

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

24 / 14

ALTIM

29.83"

// Interpretation

VFR with light winds at 050°/3 kt. Visibility 6+ SM and no reported cloud layers. 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 LFOP 251800Z AUTO 05003KT 9999 ///CB 24/14 Q1010 TEMPO 2000 TSRA

LFOP · day 25 at 18:00 UTC · wind from 050° at 3 kt · visibility 6+ SM · temp 24°C / dewpoint 14°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 050° @ 3 kt

ALL USABLE · WINDS CALM

WIND

050°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

04 HDG 040° —CALM —— 5,577'

22 HDG 220° —CALM —— 5,577'

05 HDG 050° —CALM —— 2,952'

23 HDG 230° —CALM —— 2,952'

Pattern altitude: 1,512 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 +10°C

1,800FT

+1,288 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV512 FT OAT+24°C ISA DELTA+10°C PRESSURE ALT607 FT

// Performance equivalent Operating here right now feels like operating at LFCR (Rodez–Aveyron Airport, Rodez/Marcillac, elev 1,910 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL12,633 ft VFR MARGINunlimited

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

05:02ZSUNRISE

11:58ZSOLAR NOON

18:55ZSUNSET

19:29ZCIVIL END

CURRENT18:12Z DAYLIGHT REMAINING42m VFR NIGHT BEGINS19:29Z (1h 16m) DAY LENGTH13h 53m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:08Z MOONSET05:02Z 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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