// Station · 30m ago

KMFI

Marshfield Municipal Airport

CAT VFR

WIND 210° / 4 kt

VIS 10+ SM

CEILING CLR

T/Td 17.2°C / 12.8°C

ALTIM 30.09 inHg

ELEV 1,277 FT

44.6369°N / 90.1893°W

LOCATION · Marshfield, US

WIND

210°4 kt

KMFI · 1,277 FT

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

METRIC

NOW · 02Z

+6H

+12H

+18H

WIND

210°/4

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

17 / 13

ALTIM

30.09"

// Interpretation

VFR with light winds at 210°/4 kt. Visibility better than 10 statute miles and no reported cloud layers. 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 290254Z AUTO 21004KT 10SM CLR 17/13 A3009 RMK AO2 SLP186 T01720128 53005

KMFI · day 29 at 02:54 UTC · wind from 210° at 4 kt · visibility 10+ SM · temp 17°C / dewpoint 13°C · altimeter 30.09" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.6 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 4 kt

ALL USABLE · WINDS CALM

WIND

210°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 +4°C

1,600FT

+323 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,277 FT OAT+17°C ISA DELTA+4°C PRESSURE ALT1,106 FT

// Performance equivalent Operating here right now feels like operating at KD25 (Manitowish Waters Airport, Manitowish Waters, elev 1,610 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+16%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL9,964 ft VFR MARGINunlimited

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

11:19ZSUNRISE

18:03ZSOLAR NOON

00:47ZSUNSET

01:17ZCIVIL END

CURRENT03:24Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:17Z (past) DAY LENGTH13h 27m

Waning Gibbous

ILLUMINATION99% MOONRISE00:11Z MOONSET13:38Z FULL MOON IN28 days

// Nearest reporting stations

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

AIRSPACE

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