// Station · 18m ago

EFHK

Helsinki Vantaa Airport

CAT MVFR

WIND 010° / 6 kt

VIS 6+ SM

CEILING BKN at 1,800 ft

T/Td 5°C / 3°C

ALTIM 30.12 inHg

ELEV 179 FT

60.3184°N / 24.9633°E

LOCATION · Helsinki (Vantaa), FI

WIND

010°6 kt

EFHK · 179 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

010°/6

VIS

6+ SM

CEILING

BKN018

LAYERS

FEW017 BKN018

T / Td

5 / 3

ALTIM

30.12"

// Interpretation

MVFR — ceiling 1,800 ft. Light winds at 010°/6 kt, visibility 6+ SM, a few at 1,700 ft, and 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 EFHK 130050Z 01006KT 9999 FEW017 BKN018 05/03 Q1020 NOSIG

EFHK · day 13 at 00:50 UTC · wind from 010° at 6 kt · visibility 6+ SM · a few clouds at 1,700 ft · broken layer at 1,800 ft · temp 5°C / dewpoint 3°C · altimeter 30.12" Hg

// Runway analysis · computed from current METAR wind

Wind 010° @ 6 kt

3 USABLE · 3 AVOID

WIND

010°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

04L★ HDG 040° H5 kt X3 kt LEFT PRIMARY · 10,039'

04R HDG 040° H5 kt X3 kt LEFT 11,286'

33 HDG 330° H5 kt X4 kt RIGHT 9,518'

TAILWIND ENDS · AVOID 3 ends

22R HDG 220° T5 kt X3 kt RIGHT —

22L HDG 220° T5 kt X3 kt RIGHT —

15 HDG 150° T5 kt X4 kt LEFT —

Pattern altitude: 1,179 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

-1,200FT

-1,379 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV179 FT OAT+5°C ISA DELTA-10°C PRESSURE ALT-22 FT

// Performance equivalent Your aircraft will perform as if it's at a field -1,200 ft high on a standard ISA day — that's -1,379 ft above EFHK's actual elevation.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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)

BKN018

Broken · base 1,800 ft AGL · ~5–7 oktas

FEW017

Few · base 1,700 ft AGL · ~1–2 oktas

// Computed

CEILING1,800 ft AGL HIGHEST LAYER1,800 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL2,704 ft VFR MARGIN-1,200 ft

// Sun & Moon · times in Z · bar = local day (UTC+2)

04:55ZSUNRISE

10:07ZSOLAR NOON

15:19ZSUNSET

16:02ZCIVIL END

CURRENT01:08Z DAYLIGHT REMAINING14h 11m VFR NIGHT BEGINS16:02Z (14h 53m) DAY LENGTH10h 24m

Waxing Crescent

ILLUMINATION3% MOONRISE06:16Z MOONSET16:40Z 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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