// Station · 39m ago

EGYM

RAF Marham

CAT VFR

WIND 230° / 10 kt

VIS 6+ SM

CEILING BKN at 8,600 ft

T/Td 14°C / 9°C

ALTIM 29.91 inHg

WX -DZ

ELEV 75 FT

52.6484°N / 0.5507°E

LOCATION · King's Lynn, Norfolk, GB

WIND

230°10 kt

EGYM · 75 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

230°/10

VIS

6+ SM

CEILING

BKN086

LAYERS

BKN086 SCT100

T / Td

14 / 9

ALTIM

29.91"

// Interpretation

VFR — ceiling 8,600 ft. Moderate winds at 230°/10 kt, visibility 6+ SM, broken at 8,600 ft, and scattered at 10,000 ft. Reported weather: light drizzle (-DZ). 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 EGYM 162350Z AUTO 23010KT 9999 -DZ BKN086/// SCT100/// 14/09 Q1013

EGYM · day 16 at 23:50 UTC · wind from 230° at 10 kt · visibility 6+ SM · broken layer at 8,600 ft · scattered layer at 10,000 ft · temp 14°C / dewpoint 9°C · altimeter 29.91" Hg · weather: light drizzle (-DZ)

// Runway analysis · computed from current METAR wind

Wind 230° @ 10 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

230°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

23★ HDG 230° H10 kt X0 kt — PRIMARY · 9,131'

19 HDG 190° H8 kt X6 kt RIGHT ⚠ HIGH XW · 60%

TAILWIND ENDS · AVOID 2 ends

01 HDG 010° T8 kt X6 kt LEFT —

05 HDG 050° T10 kt X0 kt — —

Pattern altitude: 1,075 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

-0FT

-75 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV75 FT OAT+14°C ISA DELTA-1°C PRESSURE ALT81 FT

// Performance equivalent Operating here right now feels like operating at EGSD (Great Yarmouth - North Denes Heliport, Great Yarmouth, Norfolk, elev 6 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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)

SCT100

Scattered · base 10,000 ft AGL · ~3–4 oktas

BKN086

Broken · base 8,600 ft AGL · ~5–7 oktas

// Computed

CEILING8,600 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL7,146 ft VFR MARGIN+5,600 ft

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

05:36ZSUNRISE

11:53ZSOLAR NOON

18:11ZSUNSET

18:45ZCIVIL END

CURRENT00:29Z DAYLIGHT REMAINING17h 42m VFR NIGHT BEGINS18:45Z (18h 16m) DAY LENGTH12h 35m

Waxing Crescent

ILLUMINATION27% MOONRISE09:48Z MOONSET22:23Z FULL MOON IN10 days

// Nearest reporting stations

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

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