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// Station · 11m ago

KMQS

Chester County G O Carlson Airport
CAT VFR
WIND 030° / 3 kt
VIS 10+ SM
CEILING CLR
T/Td 25.6°C / 19.4°C
ALTIM 30.04 inHg
ELEV 660 FT
39.9790°N / 75.8655°W
LOCATION · Coatesville, US
N
WIND
030°3 kt
KMQS · 660 FT
© OSM · CartoDB

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

METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
030°/3
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
26 / 19
 
 
 
ALTIM
30.04"
 
 
 

// Interpretation

VFR with light winds at 030°/3 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 KMQS 282255Z AUTO 03003KT 10SM CLR 26/19 A3004 RMK AO2 P0017 T02560194 $

KMQS · day 28 at 22:55 UTC · wind from 030° at 3 kt · visibility 10+ SM · temp 26°C / dewpoint 19°C · altimeter 30.04" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 030° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
030°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
11 HDG 110° CALM 5,400'
29 HDG 290° CALM 5,400'
Pattern altitude: 1,660 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 +12°C

1,900FT
+1,240 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV660 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT536 FT
// Performance equivalent Operating here right now feels like operating at KN38 (Grand Canyon Regional Airport, Wellsboro, elev 1,892 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+19%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,589 FT KMQS ELEV · 660 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,589 ft VFR MARGINunlimited

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

10:28ZSUNRISE
17:06ZSOLAR NOON
23:43ZSUNSET
00:11ZCIVIL END
CURRENT23:06Z DAYLIGHT REMAINING36m VFR NIGHT BEGINS00:11Z (1h 04m) DAY LENGTH13h 14m
Full Moon
ILLUMINATION99% MOONRISE23:11Z MOONSET12:26Z FULL MOON IN29 days

// Nearest reporting stations

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

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