// Station · 26m ago

LFOK

Chalons Vatry airport

CAT VFR

WIND 180° / 8 kt

VIS 6+ SM

CEILING OVC at 3,900 ft

T/Td 13°C / 9°C

ALTIM 30.15 inHg

ELEV 587 FT

48.7733°N / 4.2061°E

LOCATION · Chalons en Champagne, FR

WIND

180°8 kt

LFOK · 587 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

180°/8

VIS

6+ SM

CEILING

OVC039

LAYERS

FEW032 OVC039

T / Td

13 / 9

ALTIM

30.15"

// Interpretation

VFR — ceiling 3,900 ft. Moderate winds at 180°/8 kt, visibility 6+ SM, a few at 3,200 ft, and overcast at 3,900 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 LFOK 130130Z AUTO 18008KT 9999 FEW032 OVC039 13/09 Q1021 BECMG BKN012 OVC017

LFOK · day 13 at 01:30 UTC · wind from 180° at 8 kt · visibility 6+ SM · a few clouds at 3,200 ft · overcast at 3,900 ft · temp 13°C / dewpoint 9°C · altimeter 30.15" Hg

// Runway analysis · computed from current METAR wind

Wind 180° @ 8 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

180°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

10★ HDG 100° H1 kt X8 kt RIGHT PRIMARY · 12,664'

TAILWIND ENDS · AVOID 1 ends

28 HDG 280° T1 kt X8 kt LEFT —

Pattern altitude: 1,587 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 -1°C

200FT

-387 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV587 FT OAT+13°C ISA DELTA-1°C PRESSURE ALT357 FT

// Performance equivalent Operating here right now feels like operating at LFQA (Reims-Prunay Airfield, Prunay, Marne, elev 313 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+2%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-1%

Light jetCJ4, Phenom 300, M2

+1%

-1%

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)

OVC039

Overcast · base 3,900 ft AGL · 8 oktas

FEW032

Few · base 3,200 ft AGL · ~1–2 oktas

// Computed

CEILING3,900 ft AGL HIGHEST LAYER3,900 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL7,153 ft VFR MARGIN+900 ft

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

06:00ZSUNRISE

11:30ZSOLAR NOON

17:00ZSUNSET

17:31ZCIVIL END

CURRENT01:56Z DAYLIGHT REMAINING15h 03m VFR NIGHT BEGINS17:31Z (15h 35m) DAY LENGTH10h 59m

Waxing Crescent

ILLUMINATION3% MOONRISE07:23Z MOONSET18:22Z FULL MOON IN13 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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