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// Station · 56m ago

KPTK

Oakland County International Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 15°C / 13.9°C
ALTIM 29.97 inHg
ELEV 980 FT
42.6655°N / 83.4201°W
LOCATION · Pontiac, US
N
WIND
000°0 kt
KPTK · 980 FT
© OSM · CartoDB

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

METRIC
NOW · 08Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
15 / 14
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

VFR with winds calm. 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 KPTK 270853Z AUTO 00000KT 10SM CLR 15/14 A2997 RMK AO2 SLP143 T01500139 56009

KPTK · day 27 at 08:53 UTC · winds calm · visibility 10+ SM · temp 15°C / dewpoint 14°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.3 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
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 +2°C

1,100FT
+120 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +500 FT
2,900 1,600 300
24h AGO18h12h6hNOW
FIELD ELEV980 FT OAT+15°C ISA DELTA+2°C PRESSURE ALT927 FT
// Performance equivalent Operating here right now feels like operating at KCMX (Houghton County Memorial Airport, Hancock, elev 1,095 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+11%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+4%
-3%

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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 8,556 FT KPTK ELEV · 980 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL8,556 ft VFR MARGINunlimited

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

10:02ZSUNRISE
17:32ZSOLAR NOON
01:01ZSUNSET
01:35ZCIVIL END
CURRENT09:49Z DAYLIGHT REMAINING15h 12m VFR NIGHT BEGINS01:35Z (15h 46m) DAY LENGTH14h 59m
Waxing Gibbous
ILLUMINATION82% MOONRISE18:43Z MOONSET09:42Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

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