// Station · 15m ago

KPTK

Oakland County International Airport

CAT VFR

WIND VRB / 3 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 19.4°C / 15°C

ALTIM 30.14 inHg

ELEV 980 FT

42.6655°N / 83.4201°W

LOCATION · Pontiac, US

WIND

VRB3 kt

KPTK · 980 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

VRB/3

VIS

10+ SM

CEILING

—

LAYERS

FEW030 SCT250

T / Td

19 / 15

ALTIM

30.14"

// Interpretation

VFR with light winds at variable/3 kt. Visibility better than 10 statute miles and a few at 3,000 ft, and scattered at 25,000 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 KPTK 251353Z COR VRB03KT 10SM FEW030 SCT250 19/15 A3014 RMK SLP203 T01940150

KPTK · day 25 at 13:53 UTC · wind variable at 3 kt · visibility 10+ SM · a few clouds at 3,000 ft · scattered layer at 25,000 ft · temp 19°C / dewpoint 15°C · altimeter 30.14" Hg · sea-level pressure 1020.3 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 3 kt

ALL USABLE · WINDS CALM

WIND

VRB3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 6 ends

09R HDG 090° —CALM —— 6,521'

27L HDG 270° —CALM —— 6,521'

09L HDG 090° —CALM —— 5,676'

27R HDG 270° —CALM —— 5,676'

18 HDG 180° —CALM —— 2,582'

36 HDG 360° —CALM —— 2,582'

Pattern altitude: 1,980 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

1,500FT

+520 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV980 FT OAT+19°C ISA DELTA+6°C PRESSURE ALT759 FT

// Performance equivalent Operating here right now feels like operating at KGLR (Gaylord Regional Airport, Gaylord, elev 1,328 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

SCT250

Scattered · base 25,000 ft AGL · ~3–4 oktas

FEW030

Few · base 3,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER25,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL10,778 ft VFR MARGINunlimited

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

10:52ZSUNRISE

17:37ZSOLAR NOON

00:22ZSUNSET

00:51ZCIVIL END

CURRENT14:08Z DAYLIGHT REMAINING10h 13m VFR NIGHT BEGINS00:51Z (10h 43m) DAY LENGTH13h 29m

Waxing Gibbous

ILLUMINATION93% MOONRISE20:50Z MOONSET10:20Z FULL MOON IN2 days

// Nearest reporting stations

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

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