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// Station · 19m ago

RCTP

Taiwan Taoyuan International Airport
CAT VFR
WIND 250° / 10 kt
VIS 6+ SM
CEILING BKN at 20,000 ft
T/Td 31°C / 25°C
ALTIM 29.71 inHg
ELEV 106 FT
25.0777°N / 121.2330°E
LOCATION · Taoyuan, TW
N
WIND
250°10 kt
RCTP · 106 FT
© OSM · CartoDB

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

METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
250°/10
 
 
 
VIS
6+ SM
 
 
 
CEILING
BKN200
 
 
 
LAYERS
FEW015 BKN200
 
 
 
T / Td
31 / 25
 
 
 
ALTIM
29.71"
 
 
 

// Interpretation

VFR — ceiling 20,000 ft. Moderate winds at 250°/10 kt, visibility 6+ SM, a few at 1,500 ft, and broken at 20,000 ft. 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 RCTP 271030Z 25010KT 9999 FEW015 BKN200 31/25 Q1006 NOSIG RMK A2971

RCTP · day 27 at 10:30 UTC · wind from 250° at 10 kt · visibility 6+ SM · a few clouds at 1,500 ft · broken layer at 20,000 ft · temp 31°C / dewpoint 25°C · altimeter 29.71" Hg

// Runway analysis · computed from current METAR wind

Wind 250° @ 10 kt
2 USABLE · 2 AVOID
N
WIND
250°10 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
23R HDG 230° H9 kt X3 kt RIGHT PRIMARY · 12,008'
23L HDG 230° H9 kt X3 kt RIGHT 10,991'
TAILWIND ENDS · AVOID 2 ends
05L HDG 050° T9 kt X3 kt LEFT
05R HDG 050° T9 kt X3 kt LEFT
Pattern altitude: 1,106 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 +17°C

2,300FT
+2,194 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
3,200 2,500 1,800
24h AGO18h12h6hNOW
FIELD ELEV106 FT OAT+31°C ISA DELTA+17°C PRESSURE ALT319 FT
// Performance equivalent Your aircraft will perform as if it's at a field 2,300 ft high on a standard ISA day — that's +2,194 ft above RCTP's actual elevation.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+23%
-16%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+16%
-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 · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 15,763 FT FEW015 BKN200 · CEILING RCTP ELEV · 106 FT
// Reported layers (highest → lowest)
BKN200
Broken · base 20,000 ft AGL · ~5–7 oktas
FEW015
Few · base 1,500 ft AGL · ~1–2 oktas
// Computed
CEILING20,000 ft AGL HIGHEST LAYER20,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL15,763 ft VFR MARGIN+17,000 ft

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

21:07ZSUNRISE
03:53ZSOLAR NOON
10:39ZSUNSET
11:04ZCIVIL END
CURRENT10:49Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:04Z (14m) DAY LENGTH13h 31m
Waxing Gibbous
ILLUMINATION83% MOONRISE05:50Z MOONSET19:22Z FULL MOON IN4 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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