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// Station · 12m ago

KMGN

Harbor Springs Airport
CAT VFR
WIND 040° / 9 kt
VIS 10+ SM
CEILING CLR
T/Td 21.6°C / 2.7°C
ALTIM 30.22 inHg
ELEV 686 FT
45.4256°N / 84.9134°W
LOCATION · Harbor Springs, US
N
WIND
040°9 kt
KMGN · 686 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
040°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
22 / 3
 
 
 
ALTIM
30.22"
 
 
 

// Interpretation

VFR with moderate winds at 040°/9 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 KMGN 302135Z AUTO 04009KT 10SM CLR 21/02 A3022 RMK AO2 T02160027

KMGN · day 30 at 21:35 UTC · wind from 040° at 9 kt · visibility 10+ SM · temp 22°C / dewpoint 3°C · altimeter 30.22" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 040° @ 9 kt
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
040°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
10 HDG 100° H5 kt X8 kt LEFT PRIMARY · 4,149'
TAILWIND ENDS · AVOID 1 ends
28 HDG 280° T5 kt X8 kt RIGHT
Pattern altitude: 1,686 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 +7°C

1,300FT
+614 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
1,600 550 -500
24h AGO18h12h6hNOW
FIELD ELEV686 FT OAT+22°C ISA DELTA+7°C PRESSURE ALT382 FT
// Performance equivalent Operating here right now feels like operating at KCAD (Wexford County Airport, Cadillac, elev 1,307 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+13%
-9%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+9%
-6%
Light jetCJ4, Phenom 300, M2
+5%
-4%

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 · 11,595 FT KMGN ELEV · 686 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL11,595 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

09:57ZSUNRISE
17:38ZSOLAR NOON
01:19ZSUNSET
01:56ZCIVIL END
CURRENT21:47Z DAYLIGHT REMAINING3h 32m VFR NIGHT BEGINS01:56Z (4h 09m) DAY LENGTH15h 22m
Full Moon
ILLUMINATION100% MOONRISE21:28Z MOONSET12:51Z FULL MOON IN1 day

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

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

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