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// Station · 30m ago

RJTT

Tokyo Haneda International Airport
CAT VFR
WIND 190° / 11 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 25°C / 20°C
ALTIM 29.77 inHg
ELEV 35 FT
35.5497°N / 139.7870°E
LOCATION · Tokyo, JP
N
WIND
190°11 kt
RJTT · 35 FT
© OSM · CartoDB

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

METRIC
NOW · 08Z
+6H
+12H
+18H
WIND
190°/11
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW025
 
 
 
T / Td
25 / 20
 
 
 
ALTIM
29.77"
 
 
 

// Interpretation

VFR with moderate winds at 190°/11 kt. Visibility 6+ SM and a few at 2,500 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 RJTT 270830Z 19011KT 9999 FEW025 BKN/// 25/20 Q1008 NOSIG

RJTT · day 27 at 08:30 UTC · wind from 190° at 11 kt · visibility 6+ SM · a few clouds at 2,500 ft · temp 25°C / dewpoint 20°C · altimeter 29.77" Hg

// Runway analysis · computed from current METAR wind

Wind 190° @ 11 kt
4 USABLE · 4 AVOID · 1 CAUTION
N
WIND
190°11 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
22 HDG 220° H10 kt X5 kt LEFT PRIMARY · 8,202'
16L HDG 160° H10 kt X5 kt RIGHT 11,024'
16R HDG 160° H10 kt X5 kt RIGHT 9,843'
23 HDG 230° H8 kt X7 kt LEFT ⚠ HIGH XW · 64%
TAILWIND ENDS · AVOID 4 ends
05 HDG 050° T8 kt X7 kt RIGHT
04 HDG 040° T10 kt X5 kt RIGHT
34R HDG 340° T10 kt X5 kt LEFT
34L HDG 340° T10 kt X5 kt LEFT
Pattern altitude: 1,035 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 +10°C

1,400FT
+1,365 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +500 FT
1,900 1,200 500
24h AGO18h12h6hNOW
FIELD ELEV35 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT189 FT
// Performance equivalent Operating here right now feels like operating at RJSF (Fukushima Airport, Sukagawa, elev 1,221 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+14%
-10%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+10%
-6%
Light jetCJ4, Phenom 300, M2
+6%
-4%

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 · 12,661 FT FEW025 RJTT ELEV · 35 FT
// Reported layers (highest → lowest)
FEW025
Few · base 2,500 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER2,500 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL12,661 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+9)

19:30ZSUNRISE
02:39ZSOLAR NOON
09:48ZSUNSET
10:17ZCIVIL END
CURRENT09:00Z DAYLIGHT REMAINING47m VFR NIGHT BEGINS10:17Z (1h 16m) DAY LENGTH14h 17m
Waxing Gibbous
ILLUMINATION82% MOONRISE04:09Z MOONSET18:27Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 60 NM radius

// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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