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// STALE Observation is 1h 4m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 4m ago · STALE

ZGNN

Nanning Wuxu International Airport
CAT MVFR
WIND VRB / 2 kt
VIS 4.3 SM
CEILING CLR
T/Td 27°C / 22°C
ALTIM 30.09 inHg
ELEV 421 FT
22.5981°N / 108.1819°E
LOCATION · Nanning (Jiangnan), CN
N
WIND
VRB2 kt
ZGNN · 421 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
VRB/2
 
 
 
VIS
4.3 SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
27 / 22
 
 
 
ALTIM
30.09"
 
 
 

// Interpretation

MVFR — visibility 4.3 SM. Light winds at variable/2 kt, visibility 4.3 SM, no reported cloud layers. 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.

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

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// Raw observation METAR string + decoded

METAR ZGNN 130100Z VRB01MPS 7000 NSC 27/22 Q1019 NOSIG

ZGNN · day 13 at 01:00 UTC · wind variable at 2 kt · visibility 4.3 SM · temp 27°C / dewpoint 22°C · altimeter 30.09" 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
05 HDG 050° —CALM —— 10,499'
23 HDG 230° —CALM —— 10,499'
Pattern altitude: 1,421 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 +12°C

1,700FT
+1,279 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV421 FT OAT+27°C ISA DELTA+12°C PRESSURE ALT250 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
+17%
-12%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+12%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-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 · 14,057 FT ZGNN ELEV · 421 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL14,057 ft VFR MARGINunlimited

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

22:43ZSUNRISE
04:34ZSOLAR NOON
10:25ZSUNSET
10:48ZCIVIL END
CURRENT02:04Z DAYLIGHT REMAINING8h 21m VFR NIGHT BEGINS10:48Z (8h 44m) DAY LENGTH11h 41m
Waxing Crescent
ILLUMINATION3% MOONRISE00:06Z MOONSET11:48Z FULL MOON IN13 days

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