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// Station · 29m ago

RCMQ

Taichung International Airport / Ching Chuang Kang Air Base
CAT VFR
WIND 200° / 7 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 29°C / 25°C
ALTIM 29.83 inHg
ELEV 663 FT
24.2647°N / 120.6210°E
LOCATION · Taichung (Qingshui), TW
N
WIND
200°7 kt
RCMQ · 663 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
200°/7
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW012 SCT200
 
 
 
T / Td
29 / 25
 
 
 
ALTIM
29.83"
 
 
 

// Interpretation

VFR with light winds at 200°/7 kt. Visibility 6+ SM and a few at 1,200 ft, and scattered 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 RCMQ 271230Z 20007KT 9999 FEW012 SCT200 29/25 Q1010 NOSIG RMK A2984

RCMQ · day 27 at 12:30 UTC · wind from 200° at 7 kt · visibility 6+ SM · a few clouds at 1,200 ft · scattered layer at 20,000 ft · temp 29°C / dewpoint 25°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 200° @ 7 kt
1 USABLE · 1 AVOID
N
WIND
200°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
18 HDG 180° H7 kt X2 kt RIGHT PRIMARY · 12,000'
TAILWIND ENDS · AVOID 1 ends
36 HDG 360° T7 kt X2 kt LEFT
Pattern altitude: 1,663 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 +16°C

2,600FT
+1,937 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
3,700 2,950 2,200
24h AGO18h12h6hNOW
FIELD ELEV663 FT OAT+29°C ISA DELTA+16°C PRESSURE ALT758 FT
// Performance equivalent Your aircraft will perform as if it's at a field 2,600 ft high on a standard ISA day — that's +1,937 ft above RCMQ's actual elevation.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+26%
-18%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+18%
-12%
Light jetCJ4, Phenom 300, M2
+10%
-8%

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 · 15,309 FT FEW012 SCT200 RCMQ ELEV · 663 FT
// Reported layers (highest → lowest)
SCT200
Scattered · base 20,000 ft AGL · ~3–4 oktas
FEW012
Few · base 1,200 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER20,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL15,309 ft VFR MARGINunlimited

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

21:11ZSUNRISE
03:56ZSOLAR NOON
10:40ZSUNSET
11:05ZCIVIL END
CURRENT12:59Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:05Z (past) DAY LENGTH13h 28m
Waxing Gibbous
ILLUMINATION83% MOONRISE05:58Z MOONSET19:27Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

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

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