// Station · 15m ago

EFIV

Ivalo Airport

CAT VFR

WIND VRB / 1 kt

VIS 6+ SM

CEILING CLR

T/Td -6°C / -8°C

ALTIM 30.36 inHg

ELEV 481 FT

68.6073°N / 27.4053°E

LOCATION · Ivalo, FI

WIND

VRB1 kt

EFIV · 481 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

VRB/1

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

-6 / -8

ALTIM

30.36"

// Interpretation

VFR with light winds at variable/1 kt. Visibility 6+ SM and no reported cloud layers. 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 EFIV 130050Z AUTO VRB01KT CAVOK M06/M08 Q1028

EFIV · day 13 at 00:50 UTC · wind variable at 1 kt · visibility 6+ SM · temp -6°C / dewpoint -8°C · altimeter 30.36" Hg

// 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 4 ends

04 HDG 040° —CALM —— 8,199'

22 HDG 220° —CALM —— 8,199'

08 HDG 080° —CALM —— 2,625'

26 HDG 260° —CALM —— 2,625'

Pattern altitude: 1,481 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 -21°C

-2,500FT

-2,981 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV481 FT OAT-6°C ISA DELTA-21°C PRESSURE ALT44 FT

// Performance equivalent Your aircraft will perform as if it's at a field -2,500 ft high on a standard ISA day — that's -2,981 ft above EFIV'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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL481 ft VFR MARGINunlimited

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

05:08ZSUNRISE

09:57ZSOLAR NOON

14:47ZSUNSET

15:45ZCIVIL END

CURRENT01:05Z DAYLIGHT REMAINING13h 41m VFR NIGHT BEGINS15:45Z (14h 39m) DAY LENGTH9h 38m

Waxing Crescent

ILLUMINATION3% MOONRISE06:29Z MOONSET16:08Z 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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