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// Station · 28m ago

EGKB

London Biggin Hill Airport
CAT VFR
WIND 060° / 9 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 21°C / 15°C
ALTIM 30.33 inHg
ELEV 598 FT
51.3308°N / 0.0325°E
LOCATION · London, GB
N
WIND
060°9 kt
EGKB · 598 FT
© OSM · CartoDB

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

METRIC
NOW · 09Z
+6H
+12H
+18H
WIND
060°/9
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW023
 
 
 
T / Td
21 / 15
 
 
 
ALTIM
30.33"
 
 
 

// Interpretation

VFR with moderate winds at 060°/9 kt. Visibility 6+ SM and a few at 2,300 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 EGKB 270920Z 06009KT 030V100 9999 FEW023 21/15 Q1027

EGKB · day 27 at 09:20 UTC · wind from 060° at 9 kt · visibility 6+ SM · a few clouds at 2,300 ft · temp 21°C / dewpoint 15°C · altimeter 30.33" Hg

// Runway analysis · computed from current METAR wind

Wind 060° @ 9 kt
1 USABLE · 1 AVOID
N
WIND
060°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
03 HDG 030° H8 kt X4 kt RIGHT PRIMARY · 5,925'
TAILWIND ENDS · AVOID 1 ends
21 HDG 210° T8 kt X4 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 +6°C

1,000FT
+402 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -800 FT
2,700 1,250 -200
24h AGO18h12h6hNOW
FIELD ELEV598 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT191 FT
// Performance equivalent Operating here right now feels like operating at EGOM (RAF Spadeadam, Spadeadam, elev 1,066 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+10%
-7%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+7%
-5%
Light jetCJ4, Phenom 300, M2
+4%
-3%

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.

// Cloud layers · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,204 FT FEW023 EGKB ELEV · 598 FT
// Reported layers (highest → lowest)
FEW023
Few · base 2,300 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER2,300 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,204 ft VFR MARGINunlimited

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

03:55ZSUNRISE
11:58ZSOLAR NOON
20:01ZSUNSET
20:45ZCIVIL END
CURRENT09:48Z DAYLIGHT REMAINING10h 13m VFR NIGHT BEGINS20:45Z (10h 57m) DAY LENGTH16h 06m
Waxing Gibbous
ILLUMINATION82% MOONRISE12:36Z MOONSET04:42Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

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