// Station · 23m ago

KGHG

Marshfield Municipal George Harlow Field

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 4,700 ft

T/Td 22°C / 22°C

ALTIM 29.97 inHg

ELEV 11 FT

42.0977°N / 70.6728°W

LOCATION · Marshfield, US

WIND

000°0 kt

KGHG · 11 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN047

LAYERS

BKN047 BKN055

T / Td

22 / 22

ALTIM

29.97"

// Interpretation

VFR — ceiling 4,700 ft. Winds calm, visibility better than 10 statute miles, broken at 4,700 ft, and broken at 5,500 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 KGHG 290055Z AUTO 00000KT 10SM BKN047 BKN055 22/22 A2997 RMK AO2

KGHG · day 29 at 00:55 UTC · winds calm · visibility 10+ SM · broken layer at 4,700 ft · broken layer at 5,500 ft · temp 22°C / dewpoint 22°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

06 HDG 060° —CALM —— 3,900'

24 HDG 240° —CALM —— 3,900'

Pattern altitude: 1,011 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

800FT

+789 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV11 FT OAT+22°C ISA DELTA+7°C PRESSURE ALT-42 FT

// Performance equivalent Operating here right now feels like operating at KGBR (Walter J. Koladza Airport, Great Barrington, elev 739 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+8%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+3%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN055

Broken · base 5,500 ft AGL · ~5–7 oktas

BKN047

Broken · base 4,700 ft AGL · ~5–7 oktas

// Computed

CEILING4,700 ft AGL HIGHEST LAYER5,500 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL11,122 ft VFR MARGIN+1,700 ft

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

10:05ZSUNRISE

16:45ZSOLAR NOON

23:25ZSUNSET

23:54ZCIVIL END

CURRENT01:18Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:54Z (past) DAY LENGTH13h 20m

Waning Gibbous

ILLUMINATION99% MOONRISE22:52Z MOONSET12:12Z 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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