// Station · 53m ago

OIIP

Payam International Airport

CAT VFR

WIND 140° / 3 kt

VIS 6+ SM

CEILING CLR

T/Td 17°C / 5°C

ALTIM 30.24 inHg

ELEV 4,170 FT

35.7761°N / 50.8267°E

LOCATION · Karaj, IR

WIND

140°3 kt

OIIP · 4,170 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

140°/3

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

17 / 5

ALTIM

30.24"

// Interpretation

VFR with light winds at 140°/3 kt. Visibility 6+ SM 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 OIIP 130100Z 14003KT 100V200 CAVOK 17/05 Q1024 A3025

OIIP · day 13 at 01:00 UTC · wind from 140° at 3 kt · visibility 6+ SM · temp 17°C / dewpoint 5°C · altimeter 30.24" Hg

// Runway analysis · computed from current METAR wind

Wind 140° @ 3 kt

ALL USABLE · WINDS CALM

WIND

140°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

12 HDG 120° —CALM —— 12,005'

30 HDG 300° —CALM —— 12,005'

Pattern altitude: 5,170 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 +10°C

5,000FT

+830 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV4,170 FT OAT+17°C ISA DELTA+10°C PRESSURE ALT3,851 FT

// Performance equivalent Operating here right now feels like operating at OIFM (Isfahan Shahid Beheshti International Airport, Isfahan, elev 5,059 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+50%

-35%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+35%

-23%

Light jetCJ4, Phenom 300, M2

+20%

-15%

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 LEVEL12,756 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+3)

02:42ZSUNRISE

08:24ZSOLAR NOON

14:06ZSUNSET

14:31ZCIVIL END

CURRENT01:53Z DAYLIGHT REMAINING12h 12m VFR NIGHT BEGINS14:31Z (12h 38m) DAY LENGTH11h 23m

Waxing Crescent

ILLUMINATION3% MOONRISE04:04Z MOONSET15:28Z FULL MOON IN13 days

// Nearest reporting stations

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

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