// Station · 30m ago

KMFI

Marshfield Municipal Airport

CAT VFR

WIND 170° / 4 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 20.6°C / 17.2°C

ALTIM 29.63 inHg

ELEV 1,277 FT

44.6369°N / 90.1893°W

LOCATION · Marshfield, US

WIND

170°4 kt

KMFI · 1,277 FT

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

METRIC

NOW · 03Z

+6H

+12H

+18H

WIND

170°/4

VIS

10+ SM

CEILING

—

LAYERS

SCT060

T / Td

21 / 17

ALTIM

29.63"

// Interpretation

VFR with light winds at 170°/4 kt. Visibility better than 10 statute miles and scattered at 6,000 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 KMFI 130354Z AUTO 17004KT 10SM SCT060 21/17 A2963 RMK AO2 SLP027 T02060172

KMFI · day 13 at 03:54 UTC · wind from 170° at 4 kt · visibility 10+ SM · scattered layer at 6,000 ft · temp 21°C / dewpoint 17°C · altimeter 29.63" Hg · automated station w/ precipitation discriminator · sea-level pressure 1002.7 mb

// Runway analysis · computed from current METAR wind

Wind 170° @ 4 kt

ALL USABLE · WINDS CALM

WIND

170°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

16 HDG 160° —CALM —— 5,003'

34 HDG 340° —CALM —— 5,003'

04 HDG 040° —CALM —— 3,600'

22 HDG 220° —CALM —— 3,600'

Pattern altitude: 2,277 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 +9°C

2,600FT

+1,323 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,277 FT OAT+21°C ISA DELTA+9°C PRESSURE ALT1,564 FT

// Performance equivalent Operating here right now feels like operating at KANW (Ainsworth Regional Airport, Ainsworth, elev 2,589 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+26%

-18%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+18%

-12%

Light jetCJ4, Phenom 300, M2

+10%

-8%

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)

SCT060

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

// Computed

CEILING— HIGHEST LAYER6,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL11,681 ft VFR MARGINunlimited

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

12:13ZSUNRISE

17:48ZSOLAR NOON

23:23ZSUNSET

23:52ZCIVIL END

CURRENT04:24Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:52Z (past) DAY LENGTH11h 10m

Waxing Crescent

ILLUMINATION4% MOONRISE13:40Z MOONSET00:51Z 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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