// Station · 1h 8m ago · STALE

KFSI

Henry Post Army Air Field

CAT VFR

WIND 210° / 5 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 28°C / 12.7°C

ALTIM 29.89 inHg

ELEV 1,189 FT

34.6498°N / 98.4022°W

LOCATION · Fort Sill, US

WIND

210°5 kt

KFSI · 1,189 FT

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

METRIC

NOW · 12Z

+6H

+12H

+18H

WIND

210°/5

VIS

10+ SM

CEILING

—

LAYERS

FEW140 SCT170

T / Td

28 / 13

ALTIM

29.89"

// Interpretation

VFR with light winds at 210°/5 kt. Visibility better than 10 statute miles and a few at 14,000 ft, and scattered at 17,000 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 KFSI 251255Z AUTO 21005KT 10SM FEW140 SCT170 28/13 A2989 RMK AO2 SLP107 T02800127 $

KFSI · day 25 at 12:55 UTC · wind from 210° at 5 kt · visibility 10+ SM · a few clouds at 14,000 ft · scattered layer at 17,000 ft · temp 28°C / dewpoint 13°C · altimeter 29.89" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.7 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 5 kt

1 USABLE · 1 AVOID

WIND

210°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

18★ HDG 180° H4 kt X2 kt RIGHT PRIMARY · 5,002'

TAILWIND ENDS · AVOID 1 ends

36 HDG 360° T4 kt X2 kt LEFT —

Pattern altitude: 2,189 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 +15°C

3,100FT

+1,911 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,189 FT OAT+28°C ISA DELTA+15°C PRESSURE ALT1,216 FT

// Performance equivalent Operating here right now feels like operating at KGUY (Guymon Municipal Airport, Guymon, elev 3,123 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+31%

-22%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+22%

-14%

Light jetCJ4, Phenom 300, M2

+12%

-9%

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)

SCT170

Scattered · base 17,000 ft AGL · ~3–4 oktas

FEW140

Few · base 14,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER17,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL15,330 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

12:02ZSUNRISE

18:37ZSOLAR NOON

01:11ZSUNSET

01:37ZCIVIL END

CURRENT14:03Z DAYLIGHT REMAINING11h 07m VFR NIGHT BEGINS01:37Z (11h 33m) DAY LENGTH13h 08m

Waxing Gibbous

ILLUMINATION93% MOONRISE22:00Z MOONSET11:09Z FULL MOON IN3 days

// Nearest reporting stations

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

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