// Station · 29m ago

ZJHK

Haikou Meilan International Airport

CAT VFR

WIND 250° / 4 kt

VIS 6+ SM

CEILING CLR

T/Td 28°C / 25°C

ALTIM 29.53 inHg

ELEV 75 FT

19.9349°N / 110.4590°E

LOCATION · Haikou (Meilan), CN

WIND

250°4 kt

ZJHK · 75 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

250°/4

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

28 / 25

ALTIM

29.53"

// Interpretation

VFR with light winds at 250°/4 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 111400Z 25002MPS CAVOK 28/25 Q1000 NOSIG

ZJHK · day 11 at 14:00 UTC · wind from 250° at 4 kt · visibility 6+ SM · temp 28°C / dewpoint 25°C · altimeter 29.53" Hg

// Runway analysis · computed from current METAR wind

Wind 250° @ 4 kt

ALL USABLE · WINDS CALM

WIND

250°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

09 HDG 090° —CALM —— 11,811'

27 HDG 270° —CALM —— 11,811'

10 HDG 100° —CALM —— 11,811'

28 HDG 280° —CALM —— 11,811'

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

2,100FT

+2,025 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +0 FT

24h AGO18h12h6hNOW

FIELD ELEV75 FT OAT+28°C ISA DELTA+14°C PRESSURE ALT465 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 MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+21%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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.

// 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)

22:06ZSUNRISE

04:44ZSOLAR NOON

11:22ZSUNSET

11:46ZCIVIL END

CURRENT14:29Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:46Z (past) DAY LENGTH13h 15m

Waning Crescent

ILLUMINATION11% MOONRISE19:31Z MOONSET08:46Z FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 200 NM (very sparse)

ZJSY

VFR

Sanya Phoenix International Airport · Sanya (Tianya)

WIND: 250° / 2 kt
VIS: 6+ SM
CEILING: CLR
DIST: 115 NM SW
AGE: 29m ago

VVVD

VFR

Van Don International Airport · Van Don

WIND: 080° / 2 kt
VIS: 6+ SM
CEILING: FEW130
DIST: 185 NM NW
AGE: 29m ago

// Area map · 200 NM radius · CartoDB Dark Matter + aeronautical overlay

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