// Station · 31m ago

EGSS

London Stansted Airport

CAT IFR

WIND 210° / 10 kt

VIS 6+ SM

CEILING OVC at 500 ft

T/Td 16°C / 15°C

ALTIM 29.97 inHg

ELEV 348 FT

51.8850°N / 0.2350°E

LOCATION · London, Essex, GB

WIND

210°10 kt

EGSS · 348 FT

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

METRIC

NOW · 02Z

+6H

+12H

+18H

WIND

210°/10

VIS

6+ SM

CEILING

OVC005

LAYERS

OVC005

T / Td

16 / 15

ALTIM

29.97"

// Interpretation

IFR conditions — ceiling 500 ft. Moderate winds at 210°/10 kt, visibility 6+ SM, overcast at 500 ft. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR EGSS 130250Z AUTO 21010KT 9999 OVC005 16/15 Q1015

EGSS · day 13 at 02:50 UTC · wind from 210° at 10 kt · visibility 6+ SM · overcast at 500 ft · temp 16°C / dewpoint 15°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 210° @ 10 kt

1 USABLE · 1 AVOID

WIND

210°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

22★ HDG 220° H10 kt X2 kt LEFT PRIMARY · 10,003'

TAILWIND ENDS · AVOID 1 ends

04 HDG 040° T10 kt X2 kt RIGHT —

Pattern altitude: 1,348 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 +2°C

500FT

+152 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV348 FT OAT+16°C ISA DELTA+2°C PRESSURE ALT295 FT

// Performance equivalent Operating here right now feels like operating at EGGW (London Luton Airport, Luton, Luton, elev 526 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+5%

-4%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+4%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-2%

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)

OVC005

Overcast · base 500 ft AGL · 8 oktas

// Computed

CEILING500 ft AGL HIGHEST LAYER500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL8,429 ft VFR MARGIN-2,500 ft

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

06:20ZSUNRISE

11:46ZSOLAR NOON

17:12ZSUNSET

17:46ZCIVIL END

CURRENT03:21Z DAYLIGHT REMAINING13h 50m VFR NIGHT BEGINS17:46Z (14h 24m) DAY LENGTH10h 51m

Waxing Crescent

ILLUMINATION3% MOONRISE07:46Z MOONSET18:37Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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