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// Station · 24m ago

RJTI

Tokyo Heliport
CAT MVFR
WIND 040° / 7 kt
VIS 6+ SM
CEILING BKN at 1,800 ft
T/Td 23°C / 18°C
ALTIM 29.83 inHg
ELEV 14 FT
35.6359°N / 139.8395°E
LOCATION · Edogawa, Tokyo, JP
N
WIND
040°7 kt
RJTI · 14 FT
© OSM · CartoDB

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

METRIC
NOW · 03Z
+6H
+12H
+18H
WIND
040°/7
 
 
 
VIS
6+ SM
 
 
 
CEILING
BKN018
 
 
 
LAYERS
BKN018
 
 
 
T / Td
23 / 18
 
 
 
ALTIM
29.83"
 
 
 

// Interpretation

MVFR — ceiling 1,800 ft. Light winds at 040°/7 kt, visibility 6+ SM, broken at 1,800 ft. 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 RJTI 290300Z 04007KT 350V070 9999 BKN018 23/18 Q1010

RJTI · day 29 at 03:00 UTC · wind from 040° at 7 kt · visibility 6+ SM · broken layer at 1,800 ft · temp 23°C / dewpoint 18°C · altimeter 29.83" Hg

// Runway analysis

No runway data on file for RJTI.

// Density altitude · ISA +8°C

1,100FT
+1,086 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV14 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT109 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 MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+11%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+4%
-3%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,630 FT BKN018 · CEILING RJTI ELEV · 14 FT
// Reported layers (highest → lowest)
BKN018
Broken · base 1,800 ft AGL · ~5–7 oktas
// Computed
CEILING1,800 ft AGL HIGHEST LAYER1,800 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL11,630 ft VFR MARGIN-1,200 ft

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

20:11ZSUNRISE
02:43ZSOLAR NOON
09:15ZSUNSET
09:41ZCIVIL END
CURRENT03:24Z DAYLIGHT REMAINING5h 50m VFR NIGHT BEGINS09:41Z (6h 17m) DAY LENGTH13h 03m
Waning Gibbous
ILLUMINATION99% MOONRISE09:02Z MOONSET22:06Z FULL MOON IN28 days

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

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