// Station · 1h 3m ago · STALE

RJSF

Fukushima Airport

CAT LIFR

WIND VRB / 1 kt

VIS 0.31 SM

CEILING BKN at 200 ft

T/Td 14°C / 14°C

ALTIM 30.09 inHg

WX FG

ELEV 1,221 FT

37.2274°N / 140.4310°E

LOCATION · Sukagawa, JP

WIND

VRB1 kt

RJSF · 1,221 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

VRB/1

VIS

0.31 SM

CEILING

BKN002

LAYERS

SCT001 BKN002

T / Td

14 / 14

ALTIM

30.09"

// Interpretation

LIFR — ceiling 200 ft. Light winds at variable/1 kt, visibility 0.31 SM, scattered at 100 ft, and broken at 200 ft. Reported weather: fog (FG). Fog is water droplets suspended at the surface with visibility under 5/8 SM; it typically burns off with daytime heating or a pickup in wind. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR RJSF 130000Z VRB01KT 0500 R01/1000V1600U FG SCT001 BKN002 14/14 Q1019

RJSF · day 13 at 00:00 UTC · wind variable at 1 kt · visibility 0.31 SM · scattered layer at 100 ft · broken layer at 200 ft · temp 14°C / dewpoint 14°C · altimeter 30.09" Hg · weather: fog (FG)

// Runway analysis · computed from current METAR wind

Wind VRB @ 1 kt

ALL USABLE · WINDS CALM

WIND

VRB1 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

01 HDG 010° —CALM —— 8,202'

19 HDG 190° —CALM —— 8,202'

Pattern altitude: 2,221 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 +1°C

1,200FT

-21 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,221 FT OAT+14°C ISA DELTA+1°C PRESSURE ALT1,050 FT

// Performance equivalent Operating here right now feels like operating at RJOA (Hiroshima Airport, Hiroshima, elev 1,088 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-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. 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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN002

Broken · base 200 ft AGL · ~5–7 oktas

SCT001

Scattered · base 100 ft AGL · ~3–4 oktas

// Computed

CEILING200 ft AGL HIGHEST LAYER200 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL8,292 ft VFR MARGIN-2,800 ft

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

20:44ZSUNRISE

02:25ZSOLAR NOON

08:06ZSUNSET

08:33ZCIVIL END

CURRENT01:03Z DAYLIGHT REMAINING7h 03m VFR NIGHT BEGINS08:33Z (7h 29m) DAY LENGTH11h 22m

Waxing Crescent

ILLUMINATION3% MOONRISE22:05Z MOONSET09:27Z FULL MOON IN13 days

// Nearest reporting stations

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

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