// Station · 17m ago

KMTC

Selfridge Air National Guard Base Airport

CAT VFR

WIND 110° / 7 kt

VIS 10+ SM

CEILING BKN at 25,000 ft

T/Td 24.3°C / 16.3°C

ALTIM 30.06 inHg

ELEV 580 FT

42.6135°N / 82.8369°W

LOCATION · Mount Clemens, US

WIND

110°7 kt

KMTC · 580 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

110°/7

VIS

10+ SM

CEILING

BKN250

LAYERS

SCT039 BKN250

T / Td

24 / 16

ALTIM

30.06"

// Interpretation

VFR — ceiling 25,000 ft. Light winds at 110°/7 kt, visibility better than 10 statute miles, scattered at 3,900 ft, and broken at 25,000 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 KMTC 251756Z 11007KT 10SM SCT039 BKN250 24/16 A3006 RMK AO2A SLP182 T02430163 10257 20173 58013 $

KMTC · day 25 at 17:56 UTC · wind from 110° at 7 kt · visibility 10+ SM · scattered layer at 3,900 ft · broken layer at 25,000 ft · temp 24°C / dewpoint 16°C · altimeter 30.06" Hg · sea-level pressure 1018.2 mb

// Runway analysis · computed from current METAR wind

Wind 110° @ 7 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

110°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

19★ HDG 190° H1 kt X7 kt LEFT PRIMARY · 9,000'

TAILWIND ENDS · AVOID 1 ends

01 HDG 010° T1 kt X7 kt RIGHT —

Pattern altitude: 1,580 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 +10°C

1,700FT

+1,120 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV580 FT OAT+24°C ISA DELTA+10°C PRESSURE ALT438 FT

// Performance equivalent Operating here right now feels like operating at KGLR (Gaylord Regional Airport, Gaylord, elev 1,328 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN250

Broken · base 25,000 ft AGL · ~5–7 oktas

SCT039

Scattered · base 3,900 ft AGL · ~3–4 oktas

// Computed

CEILING25,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL12,853 ft VFR MARGIN+22,000 ft

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

10:50ZSUNRISE

17:34ZSOLAR NOON

00:19ZSUNSET

00:49ZCIVIL END

CURRENT18:13Z DAYLIGHT REMAINING6h 06m VFR NIGHT BEGINS00:49Z (6h 35m) DAY LENGTH13h 29m

Waxing Gibbous

ILLUMINATION94% MOONRISE20:56Z MOONSET10:26Z FULL MOON IN2 days

// Nearest reporting stations

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

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