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// Station · 13m ago

YBLN

Busselton Margaret River Regional Airport
CAT VFR
WIND 040° / 4 kt
VIS 6+ SM
CEILING OVC at 3,900 ft
T/Td 12°C / 12°C
ALTIM 30.30 inHg
ELEV 55 FT
33.6872°S / 115.4003°E
LOCATION · Busselton, AU
N
WIND
040°4 kt
YBLN · 55 FT
© OSM · CartoDB

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

METRIC
NOW · 18Z
+6H
+12H
+18H
WIND
040°/4
 
 
 
VIS
6+ SM
 
 
 
CEILING
OVC039
 
 
 
LAYERS
FEW032 OVC039
 
 
 
T / Td
12 / 12
 
 
 
ALTIM
30.30"
 
 
 

// Interpretation

VFR — ceiling 3,900 ft. Light winds at 040°/4 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 YBLN 111800Z AUTO 04004KT 9999 // FEW032 OVC039 12/12 Q1026

YBLN · day 11 at 18:00 UTC · wind from 040° at 4 kt · visibility 6+ SM · a few clouds at 3,200 ft · overcast at 3,900 ft · temp 12°C / dewpoint 12°C · altimeter 30.30" Hg

// Runway analysis · computed from current METAR wind

Wind 040° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
040°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
03 HDG 030° CALM 8,071'
21 HDG 210° CALM 8,071'
Pattern altitude: 1,055 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 -4°C

-800FT
-855 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↗ +600 FT
-0 -800 -1,600
24h AGO18h12h6hNOW
FIELD ELEV55 FT OAT+12°C ISA DELTA-4°C PRESSURE ALT-323 FT
// Performance equivalent Your aircraft will perform as if it's at a field -800 ft high on a standard ISA day — that's -855 ft above YBLN's actual elevation.
// Aircraft performance impact MINOR
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.

// Cloud layers · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 6,116 FT FEW032 OVC039 · CEILING YBLN ELEV · 55 FT
// 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 LEVEL6,116 ft VFR MARGIN+900 ft

// Sun & Moon · times in Z · bar = local day (UTC+8)

23:23ZSUNRISE
04:25ZSOLAR NOON
09:26ZSUNSET
09:54ZCIVIL END
CURRENT18:13Z DAYLIGHT REMAINING15h 13m VFR NIGHT BEGINS09:54Z (15h 40m) DAY LENGTH10h 03m
Waning Crescent
ILLUMINATION10% MOONRISE20:55Z MOONSET06:58Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 150 NM (sparse area)

// Area map · 140 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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