// Station · 6m ago

ZSHC

Hangzhou Xiaoshan International Airport

CAT MVFR

WIND 200° / 4 kt

VIS 3.1 SM

CEILING CLR

T/Td 23°C / 18°C

ALTIM 30.09 inHg

WX HZ

ELEV 23 FT

30.2361°N / 120.4289°E

LOCATION · Hangzhou, CN

WIND

200°4 kt

ZSHC · 23 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

200°/4

VIS

3.1 SM

CEILING

CLR

LAYERS

—

T / Td

23 / 18

ALTIM

30.09"

// Interpretation

MVFR — visibility 3.1 SM. Light winds at 200°/4 kt, visibility 3.1 SM, no reported cloud layers. Reported weather: haze (HZ). Haze is fine dust, salt, or pollution particles suspended in dry air — it reduces visibility and washes out contrast, a dry particulate obscuration rather than a moisture one. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR ZSHC 130100Z 20002MPS 160V280 5000 HZ NSC 23/18 Q1019 NOSIG

ZSHC · day 13 at 01:00 UTC · wind from 200° at 4 kt · visibility 3.1 SM · temp 23°C / dewpoint 18°C · altimeter 30.09" Hg · weather: haze (HZ)

// Runway analysis · computed from current METAR wind

Wind 200° @ 4 kt

ALL USABLE · WINDS CALM

WIND

200°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

07 HDG 070° —CALM —— 11,811'

25 HDG 250° —CALM —— 11,811'

06 HDG 060° —CALM —— 11,155'

24 HDG 240° —CALM —— 11,155'

Pattern altitude: 1,023 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

800FT

+777 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV23 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT-148 FT

// Performance equivalent Operating here right now feels like operating at ZSSM (Sanming Shaxian Airport, Sanming (Sha), elev 830 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+8%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+3%

-2%

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 LEVEL11,639 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+8)

21:59ZSUNRISE

03:45ZSOLAR NOON

09:31ZSUNSET

09:55ZCIVIL END

CURRENT01:06Z DAYLIGHT REMAINING8h 25m VFR NIGHT BEGINS09:55Z (8h 49m) DAY LENGTH11h 32m

Waxing Crescent

ILLUMINATION3% MOONRISE23:20Z MOONSET10:52Z 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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