// Station · 15m ago

ZWWW

Ürümqi Tianshan International Airport

CAT VFR

WIND VRB / 2 kt

VIS 6+ SM

CEILING CLR

T/Td 22°C / 10°C

ALTIM 30.03 inHg

ELEV 2,125 FT

43.9136°N / 87.4794°E

LOCATION · Ürümqi, CN

WIND

VRB2 kt

ZWWW · 2,125 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

VRB/2

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

22 / 10

ALTIM

30.03"

// Interpretation

VFR with light winds at variable/2 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 ZWWW 251800Z VRB01MPS CAVOK 22/10 Q1017 NOSIG

ZWWW · day 25 at 18:00 UTC · wind variable at 2 kt · visibility 6+ SM · temp 22°C / dewpoint 10°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 6 ends

07 HDG 070° —CALM —— 11,811'

25 HDG 250° —CALM —— 11,811'

08R HDG 080° —CALM —— 11,811'

26L HDG 260° —CALM —— 11,811'

08L HDG 080° —CALM —— 10,498'

26R HDG 260° —CALM —— 10,498'

Pattern altitude: 3,125 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 +11°C

3,300FT

+1,175 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV2,125 FT OAT+22°C ISA DELTA+11°C PRESSURE ALT2,013 FT

// Performance equivalent Operating here right now feels like operating at ZWFY (Fuyun Koktokay Airport, Fuyun, elev 3,081 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+33%

-23%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+23%

-15%

Light jetCJ4, Phenom 300, M2

+13%

-10%

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 LEVEL13,236 ft VFR MARGINunlimited

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

23:27ZSUNRISE

06:13ZSOLAR NOON

12:59ZSUNSET

13:29ZCIVIL END

CURRENT18:15Z DAYLIGHT REMAINING18h 44m VFR NIGHT BEGINS13:29Z (19h 14m) DAY LENGTH13h 32m

Waxing Gibbous

ILLUMINATION94% MOONRISE09:33Z MOONSET23:06Z 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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