// Station · 23m ago

KVSF

Hartness State Airport

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 4,700 ft

T/Td 20.6°C / 15.6°C

ALTIM 30.06 inHg

ELEV 577 FT

43.3436°N / 72.5173°W

LOCATION · North Springfield, US

WIND

000°0 kt

KVSF · 577 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN047

LAYERS

SCT038 BKN047

T / Td

21 / 16

ALTIM

30.06"

// Interpretation

VFR — ceiling 4,700 ft. Winds calm, visibility better than 10 statute miles, scattered at 3,800 ft, and broken at 4,700 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 KVSF 290054Z AUTO 00000KT 10SM SCT038 BKN047 21/16 A3006 RMK AO2 SLP177 T02060156

KVSF · day 29 at 00:54 UTC · winds calm · visibility 10+ SM · scattered layer at 3,800 ft · broken layer at 4,700 ft · temp 21°C / dewpoint 16°C · altimeter 30.06" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.7 mb

// 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 4 ends

05 HDG 050° —CALM —— 5,501'

23 HDG 230° —CALM —— 5,501'

11 HDG 110° —CALM —— 3,000'

29 HDG 290° —CALM —— 3,000'

Pattern altitude: 1,577 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 +6°C

1,200FT

+623 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV577 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT435 FT

// Performance equivalent Operating here right now feels like operating at KCDA (Caledonia County Airport, Lyndonville, elev 1,188 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

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)

BKN047

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

SCT038

Scattered · base 3,800 ft AGL · ~3–4 oktas

// Computed

CEILING4,700 ft AGL HIGHEST LAYER4,700 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL10,981 ft VFR MARGIN+1,700 ft

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

10:11ZSUNRISE

16:52ZSOLAR NOON

23:34ZSUNSET

00:04ZCIVIL END

CURRENT01:17Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:04Z (past) DAY LENGTH13h 23m

Waning Gibbous

ILLUMINATION99% MOONRISE22:58Z MOONSET12:21Z FULL MOON IN29 days

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

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