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// Station · 11m ago

KOQN

Brandywine Regional Airport
CAT VFR
WIND 240° / 6 kt
VIS 10+ SM
CEILING CLR
T/Td 30°C / 22°C
ALTIM 30.01 inHg
ELEV 466 FT
39.9901°N / 75.5819°W
LOCATION · West Chester, US
N
WIND
240°6 kt
KOQN · 466 FT
© OSM · CartoDB

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

METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
240°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
30 / 22
 
 
 
ALTIM
30.01"
 
 
 

// Interpretation

VFR with light winds at 240°/6 kt. Visibility better than 10 statute miles 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 KOQN 142255Z AUTO 24006KT 10SM CLR 30/22 A3001 RMK AO2

KOQN · day 14 at 22:55 UTC · wind from 240° at 6 kt · visibility 10+ SM · temp 30°C / dewpoint 22°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 240° @ 6 kt
1 USABLE · 1 AVOID
N
WIND
240°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
27 HDG 270° H5 kt X3 kt LEFT PRIMARY · 3,347'
TAILWIND ENDS · AVOID 1 ends
09 HDG 090° T5 kt X3 kt RIGHT
Pattern altitude: 1,466 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 +16°C

2,300FT
+1,834 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +600 FT
2,700 1,500 300
24h AGO18h12h6hNOW
FIELD ELEV466 FT OAT+30°C ISA DELTA+16°C PRESSURE ALT375 FT
// Performance equivalent Operating here right now feels like operating at KJST (John Murtha Johnstown Cambria County Airport, Johnstown, elev 2,284 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+23%
-16%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+16%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%

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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 15,618 FT KOQN ELEV · 466 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL15,618 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:46ZSUNRISE
17:09ZSOLAR NOON
00:32ZSUNSET
01:04ZCIVIL END
CURRENT23:06Z DAYLIGHT REMAINING1h 26m VFR NIGHT BEGINS01:04Z (1h 57m) DAY LENGTH14h 45m
New Moon
ILLUMINATION0% MOONRISE09:54Z MOONSET00:40Z FULL MOON IN15 days

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

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

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