// Station · 40m ago

KMTN

Martin State Airport

CAT VFR

WIND 340° / 11 kt G15

VIS 10+ SM

CEILING BKN at 8,000 ft

T/Td 27°C / 13°C

ALTIM 30.03 inHg

ELEV 21 FT

39.3257°N / 76.4138°W

LOCATION · Baltimore, US

WIND

340°11 kt

KMTN · 21 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

340°/11G15

VIS

10+ SM

CEILING

BKN080

LAYERS

SCT060 BKN080

T / Td

27 / 13

ALTIM

30.03"

// Interpretation

VFR — ceiling 8,000 ft. Moderate winds at 340°/11 kt, gusting 15, visibility better than 10 statute miles, scattered at 6,000 ft, and broken at 8,000 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 KMTN 251945Z 34011G15KT 10SM SCT060 BKN080 27/13 A3003

KMTN · day 25 at 19:45 UTC · wind from 340° at 11 kt, gusts to 15 kt · visibility 10+ SM · scattered layer at 6,000 ft · broken layer at 8,000 ft · temp 27°C / dewpoint 13°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind 340° @ 11 ktG15

1 USABLE · 1 AVOID

WIND

340°11G15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

33★ HDG 330° H11 kt X2 kt RIGHT PRIMARY · 6,999'

TAILWIND ENDS · AVOID 1 ends

15 HDG 150° T11 kt X2 kt LEFT —

Pattern altitude: 1,021 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

1,300FT

+1,279 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV21 FT OAT+27°C ISA DELTA+12°C PRESSURE ALT-91 FT

// Performance equivalent Operating here right now feels like operating at KUNV (State College Regional Airport, State College, elev 1,239 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

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. 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)

BKN080

Broken · base 8,000 ft AGL · ~5–7 oktas

SCT060

Scattered · base 6,000 ft AGL · ~3–4 oktas

// Computed

CEILING8,000 ft AGL HIGHEST LAYER8,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL13,657 ft VFR MARGIN+5,000 ft

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

10:29ZSUNRISE

17:09ZSOLAR NOON

23:49ZSUNSET

00:17ZCIVIL END

CURRENT20:25Z DAYLIGHT REMAINING3h 23m VFR NIGHT BEGINS00:17Z (3h 51m) DAY LENGTH13h 20m

Waxing Gibbous

ILLUMINATION94% MOONRISE20:39Z MOONSET10:00Z 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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