// Station · 19m ago

ZJHK

Haikou Meilan International Airport

CAT VFR

WIND 180° / 10 kt

VIS 6+ SM

CEILING CLR

T/Td 28°C / 25°C

ALTIM 29.50 inHg

ELEV 75 FT

19.9349°N / 110.4590°E

LOCATION · Haikou (Meilan), CN

WIND

180°10 kt

ZJHK · 75 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

180°/10

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

28 / 25

ALTIM

29.50"

// Interpretation

VFR with moderate winds at 180°/10 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 ZJHK 251600Z 18005MPS CAVOK 28/25 Q0999 NOSIG

ZJHK · day 25 at 16:00 UTC · wind from 180° at 10 kt · visibility 6+ SM · temp 28°C / dewpoint 25°C · altimeter 29.50" Hg

// Runway analysis · computed from current METAR wind

Wind 180° @ 10 kt

3 USABLE · 1 AVOID · 3 CAUTION

WIND

180°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

10★ HDG 100° H2 kt X10 kt RIGHT PRIMARY · 11,811'

09 HDG 090° H0 kt X10 kt RIGHT ⚠ HIGH XW · 100%

27 HDG 270° H0 kt X10 kt LEFT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 1 ends

28 HDG 280° T2 kt X10 kt LEFT —

Pattern altitude: 1,075 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 +14°C

2,200FT

+2,125 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV75 FT OAT+28°C ISA DELTA+14°C PRESSURE ALT495 FT

// Performance equivalent Operating here right now feels like operating at ZGHC (Hechi Jinchengjiang Airport, Hechi (Jinchengjiang), elev 2,221 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+22%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-10%

Light jetCJ4, Phenom 300, M2

+9%

-7%

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 LEVEL14,216 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+7)

22:22ZSUNRISE

04:41ZSOLAR NOON

11:01ZSUNSET

11:24ZCIVIL END

CURRENT16:19Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:24Z (past) DAY LENGTH12h 39m

Waxing Gibbous

ILLUMINATION94% MOONRISE08:24Z MOONSET21:04Z 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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