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// Station · 18m ago

KPTK

Oakland County International Airport
CAT IFR
WIND 050° / 5 kt
VIS 4.0 SM
CEILING OVC at 500 ft
T/Td 21°C / 19°C
ALTIM 30.06 inHg
WX BR
ELEV 980 FT
42.6655°N / 83.4201°W
LOCATION · Pontiac, US
N
WIND
050°5 kt
KPTK · 980 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
050°/5
 
 
 
VIS
4.0 SM
 
 
 
CEILING
OVC005
 
 
 
LAYERS
OVC005
 
 
 
T / Td
21 / 19
 
 
 
ALTIM
30.06"
 
 
 

// Interpretation

IFR conditions — ceiling 500 ft. Light winds at 050°/5 kt, visibility 4.0 SM, overcast at 500 ft. Reported weather: BR. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KPTK 111253Z 05005KT 4SM BR OVC005 21/19 A3006 RMK SLPNO BINOVC T02100190

KPTK · day 11 at 12:53 UTC · wind from 050° at 5 kt · visibility 4.0 SM · overcast at 500 ft · temp 21°C / dewpoint 19°C · altimeter 30.06" Hg · weather: BR

// Runway analysis · computed from current METAR wind

Wind 050° @ 5 kt
3 USABLE · 3 AVOID
N
WIND
050°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
09L HDG 090° H4 kt X3 kt LEFT PRIMARY · 5,676'
09R HDG 090° H4 kt X3 kt LEFT 6,521'
36 HDG 360° H3 kt X4 kt RIGHT 2,582'
TAILWIND ENDS · AVOID 3 ends
18 HDG 180° T3 kt X4 kt LEFT
27R HDG 270° T4 kt X3 kt RIGHT
27L HDG 270° T4 kt X3 kt RIGHT
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 +8°C

1,800FT
+820 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
3,100 2,100 1,100
24h AGO18h12h6hNOW
FIELD ELEV980 FT OAT+21°C ISA DELTA+8°C PRESSURE ALT838 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
+18%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-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.

// Cloud layers · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,586 FT OVC005 · CEILING KPTK ELEV · 980 FT
// Reported layers (highest → lowest)
OVC005
Overcast · base 500 ft AGL · 8 oktas
// Computed
CEILING500 ft AGL HIGHEST LAYER500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL11,586 ft VFR MARGIN-2,500 ft

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

10:07ZSUNRISE
17:40ZSOLAR NOON
01:13ZSUNSET
01:47ZCIVIL END
CURRENT13:11Z DAYLIGHT REMAINING12h 01m VFR NIGHT BEGINS01:47Z (12h 35m) DAY LENGTH15h 06m
Waning Crescent
ILLUMINATION11% MOONRISE07:28Z MOONSET22:35Z FULL MOON IN18 days

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

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

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