// Station · 25m ago

OISS

Shiraz Shahid Dastghaib International Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING CLR

T/Td 24°C / 1°C

ALTIM 30.03 inHg

ELEV 4,927 FT

29.5392°N / 52.5898°E

LOCATION · Shiraz, IR

WIND

000°0 kt

OISS · 4,927 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

24 / 1

ALTIM

30.03"

// Interpretation

VFR with winds calm. 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 OISS 252000Z 00000KT CAVOK 24/01 Q1017 A3003

OISS · day 25 at 20:00 UTC · winds calm · visibility 6+ SM · temp 24°C / dewpoint 1°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

11L HDG 110° —CALM —— 14,345'

29R HDG 290° —CALM —— 14,345'

11R HDG 110° —CALM —— 14,051'

29L HDG 290° —CALM —— 14,051'

Pattern altitude: 5,927 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 +19°C

7,000FT

+2,073 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV4,927 FT OAT+24°C ISA DELTA+19°C PRESSURE ALT4,815 FT

// Performance equivalent Operating here right now feels like operating at OIFS (Shahrekord Airport, Shahrekord, elev 6,723 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+70%

-49%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+49%

-32%

Light jetCJ4, Phenom 300, M2

+28%

-21%

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 LEVEL17,048 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+4)

02:05ZSUNRISE

08:33ZSOLAR NOON

15:01ZSUNSET

15:25ZCIVIL END

CURRENT20:25Z DAYLIGHT REMAINING18h 35m VFR NIGHT BEGINS15:25Z (18h 59m) DAY LENGTH12h 56m

Waxing Gibbous

ILLUMINATION94% MOONRISE12:15Z MOONSET01:12Z FULL MOON IN2 days

// Nearest reporting stations

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

AIRSPACE

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