// Station · 13m ago

KMCD

Mackinac Island Airport

CAT IFR

WIND 090° / 11 kt G21

VIS 10+ SM

CEILING OVC at 500 ft

T/Td 10°C / 10°C

ALTIM 29.74 inHg

WX -RA

ELEV 739 FT

45.8649°N / 84.6373°W

LOCATION · Mackinac Island, US

WIND

090°11 kt

KMCD · 739 FT

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

METRIC

NOW · 06Z

+6H

+12H

+18H

WIND

090°/11G21

VIS

10+ SM

CEILING

OVC005

LAYERS

OVC005

T / Td

10 / 10

ALTIM

29.74"

// Interpretation

IFR conditions — ceiling 500 ft. Moderate winds at 090°/11 kt, gusting 21, visibility better than 10 statute miles, overcast at 500 ft. Reported weather: light rain (-RA). Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KMCD 130615Z AUTO 09011G21KT 10SM -RA OVC005 10/10 A2974 RMK AO2

KMCD · day 13 at 06:15 UTC · wind from 090° at 11 kt, gusts to 21 kt · visibility 10+ SM · overcast at 500 ft · temp 10°C / dewpoint 10°C · altimeter 29.74" Hg · weather: light rain (-RA) · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 090° @ 11 ktG21

1 USABLE · 1 AVOID

WIND

090°11G21 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

08★ HDG 080° H11 kt X2 kt RIGHT PRIMARY · 3,501'

TAILWIND ENDS · AVOID 1 ends

26 HDG 260° T11 kt X2 kt LEFT —

Pattern altitude: 1,739 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 -3°C

500FT

-239 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV739 FT OAT+10°C ISA DELTA-3°C PRESSURE ALT916 FT

// Performance equivalent Operating here right now feels like operating at KMTC (Selfridge Air National Guard Base Airport, Mount Clemens, elev 580 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+5%

-4%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+4%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-2%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

OVC005

Overcast · base 500 ft AGL · 8 oktas

// Computed

CEILING500 ft AGL HIGHEST LAYER500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL5,790 ft VFR MARGIN-2,500 ft

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

11:53ZSUNRISE

17:25ZSOLAR NOON

22:58ZSUNSET

23:28ZCIVIL END

CURRENT06:28Z DAYLIGHT REMAINING16h 29m VFR NIGHT BEGINS23:28Z (16h 59m) DAY LENGTH11h 04m

Waxing Crescent

ILLUMINATION4% MOONRISE13:25Z MOONSET00:30Z FULL MOON IN13 days

// Nearest reporting stations

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

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