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// Station · 14m ago

ZSSS

Shanghai Hongqiao International Airport
CAT MVFR
WIND 090° / 21 kt G31
VIS 5.0 SM
CEILING BKN at 1,500 ft
T/Td 27°C / 26°C
ALTIM 29.32 inHg
WX -SHRA
ELEV 10 FT
31.1981°N / 121.3343°E
LOCATION · Shanghai (Minhang), CN
N
WIND
090°21 kt
ZSSS · 10 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
090°/21G31
 
 
 
VIS
5.0 SM
 
 
 
CEILING
BKN015
 
 
 
LAYERS
BKN015
 
 
 
T / Td
27 / 26
 
 
 
ALTIM
29.32"
 
 
 

// Interpretation

MVFR — ceiling 1,500 ft. Strong winds at 090°/21 kt, gusting 31, visibility 5.0 SM, broken at 1,500 ft. Reported weather: -SHRA. 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 ZSSS 111600Z 09011G16MPS 8000 -SHRA BKN015 27/26 Q0993 BECMG TL1640 SHRA

ZSSS · day 11 at 16:00 UTC · wind from 090° at 21 kt, gusts to 31 kt · visibility 5.0 SM · broken layer at 1,500 ft · temp 27°C / dewpoint 26°C · altimeter 29.32" Hg · weather: -SHRA

// Runway analysis · computed from current METAR wind

Wind 090° @ 21 ktG31
4 USABLE · 0 AVOID · 4 CAUTION
N
WIND
090°21G31 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
18L HDG 180° H0 kt X21 kt LEFT PRIMARY · 11,154'
36R HDG 360° H0 kt X21 kt RIGHT ⚠ HIGH XW · 68%
18R HDG 180° H0 kt X21 kt LEFT ⚠ HIGH XW · 68%
36L HDG 360° H0 kt X21 kt RIGHT ⚠ HIGH XW · 68%
Pattern altitude: 1,010 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

2,200FT
+2,190 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +200 FT
2,600 2,200 1,800
24h AGO18h12h6hNOW
FIELD ELEV10 FT OAT+27°C ISA DELTA+13°C PRESSURE ALT607 FT
// Performance equivalent Operating here right now feels like operating at ZUQJ (Qianjiang Wulingshan Airport, Qianjiang, elev 2,075 ft) on a standard ISA day.
// Aircraft performance impact MINOR
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.

// Cloud layers · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,646 FT BKN015 · CEILING ZSSS ELEV · 10 FT
// Reported layers (highest → lowest)
BKN015
Broken · base 1,500 ft AGL · ~5–7 oktas
// Computed
CEILING1,500 ft AGL HIGHEST LAYER1,500 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL13,646 ft VFR MARGIN-1,500 ft

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

21:00ZSUNRISE
04:01ZSOLAR NOON
11:02ZSUNSET
11:29ZCIVIL END
CURRENT16:14Z DAYLIGHT REMAINING18h 47m VFR NIGHT BEGINS11:29Z (19h 14m) DAY LENGTH14h 02m
Waning Crescent
ILLUMINATION11% MOONRISE18:28Z MOONSET08:30Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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