// Station · 25m ago

EGKB

London Biggin Hill Airport

CAT VFR

WIND 070° / 13 kt

VIS 6+ SM

CEILING CLR

T/Td 22°C / 9°C

ALTIM 29.88 inHg

ELEV 598 FT

51.3308°N / 0.0325°E

LOCATION · London, GB

WIND

070°13 kt

EGKB · 598 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

070°/13

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

22 / 9

ALTIM

29.88"

// Interpretation

VFR with brisk winds at 070°/13 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 EGKB 251550Z 07013KT CAVOK 22/09 Q1012

EGKB · day 25 at 15:50 UTC · wind from 070° at 13 kt · visibility 6+ SM · temp 22°C / dewpoint 9°C · altimeter 29.88" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 13 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

070°13 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

03★ HDG 030° H10 kt X8 kt RIGHT PRIMARY · 5,925'

TAILWIND ENDS · AVOID 1 ends

21 HDG 210° T10 kt X8 kt LEFT —

Pattern altitude: 1,598 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 +8°C

1,600FT

+1,002 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV598 FT OAT+22°C ISA DELTA+8°C PRESSURE ALT634 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,600 ft high on a standard ISA day — that's +1,002 ft above EGKB's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+16%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-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 LEVEL11,709 ft VFR MARGINunlimited

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

05:02ZSUNRISE

12:03ZSOLAR NOON

19:04ZSUNSET

19:40ZCIVIL END

CURRENT16:15Z DAYLIGHT REMAINING2h 49m VFR NIGHT BEGINS19:40Z (3h 25m) DAY LENGTH14h 01m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:05Z MOONSET05:06Z 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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