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// STALE Observation is 1h 3m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 3m ago · STALE

ZJSY

Sanya Phoenix International Airport
CAT VFR
WIND VRB / 2 kt
VIS 6+ SM
CEILING CLR
T/Td 28°C / 23°C
ALTIM 30.00 inHg
ELEV 92 FT
18.3029°N / 109.4120°E
LOCATION · Sanya (Tianya), CN
N
WIND
VRB2 kt
ZJSY · 92 FT
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// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
VRB/2
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
28 / 23
 
 
 
ALTIM
30.00"
 
 
 

// 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.

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

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// Raw observation METAR string + decoded

METAR ZJSY 130000Z VRB01MPS CAVOK 28/23 Q1016 NOSIG

ZJSY · day 13 at 00:00 UTC · wind variable at 2 kt · visibility 6+ SM · temp 28°C / dewpoint 23°C · altimeter 30.00" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt
ALL USABLE · WINDS CALM
N
WIND
VRB2 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
08 HDG 080° —CALM —— 11,155'
26 HDG 260° —CALM —— 11,155'
Pattern altitude: 1,092 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 +13°C

1,600FT
+1,508 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV92 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT10 FT
// Performance equivalent Operating here right now feels like operating at ZUNP (Liping Airport, Liping, elev 1,620 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+16%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,233 FT ZJSY ELEV · 92 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL14,233 ft VFR MARGINunlimited

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

22:36ZSUNRISE
04:29ZSOLAR NOON
10:23ZSUNSET
10:45ZCIVIL END
CURRENT01:03Z DAYLIGHT REMAINING9h 19m VFR NIGHT BEGINS10:45Z (9h 41m) DAY LENGTH11h 46m
Waxing Crescent
ILLUMINATION3% MOONRISE23:57Z MOONSET11:44Z FULL MOON IN13 days

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