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// Station · 31m ago

EFHA

Halli Airport
CAT VFR
WIND 350° / 10 kt
VIS 6+ SM
CEILING BKN at 4,600 ft
T/Td 13°C / 3°C
ALTIM 29.59 inHg
ELEV 479 FT
61.8560°N / 24.7867°E
LOCATION · Jämsä, FI
N
WIND
350°10 kt
EFHA · 479 FT
© OSM · CartoDB

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

METRIC
NOW · 11Z
+6H
+12H
+18H
WIND
350°/10
 
 
 
VIS
6+ SM
 
 
 
CEILING
BKN046
 
 
 
LAYERS
BKN046
 
 
 
T / Td
13 / 3
 
 
 
ALTIM
29.59"
 
 
 

// Interpretation

VFR — ceiling 4,600 ft. Moderate winds at 350°/10 kt, visibility 6+ SM, broken at 4,600 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 EFHA 271120Z 35010KT 320V030 9999 BKN046 13/03 Q1002

EFHA · day 27 at 11:20 UTC · wind from 350° at 10 kt · visibility 6+ SM · broken layer at 4,600 ft · temp 13°C / dewpoint 3°C · altimeter 29.59" Hg

// Runway analysis · computed from current METAR wind

Wind 350° @ 10 kt
2 USABLE · 0 AVOID · 2 CAUTION
N
WIND
350°10 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
08 HDG 080° H0 kt X10 kt LEFT PRIMARY · 8,533'
26 HDG 260° H0 kt X10 kt RIGHT ⚠ HIGH XW · 100%
Pattern altitude: 1,479 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 +0°C

800FT
+321 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
1,200 500 -200
24h AGO18h12h6hNOW
FIELD ELEV479 FT OAT+13°C ISA DELTA+0°C PRESSURE ALT810 FT
// Performance equivalent Operating here right now feels like operating at EFJY (Jyväskylä Airport, Jyväskylän Maalaiskunta, elev 459 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+8%
-6%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+6%
-4%
Light jetCJ4, Phenom 300, M2
+3%
-2%

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 · 7,045 FT BKN046 · CEILING EFHA ELEV · 479 FT
// Reported layers (highest → lowest)
BKN046
Broken · base 4,600 ft AGL · ~5–7 oktas
// Computed
CEILING4,600 ft AGL HIGHEST LAYER4,600 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL7,045 ft VFR MARGIN+1,600 ft

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

01:01ZSUNRISE
10:19ZSOLAR NOON
19:37ZSUNSET
21:18ZCIVIL END
CURRENT11:51Z DAYLIGHT REMAINING7h 46m VFR NIGHT BEGINS21:18Z (9h 27m) DAY LENGTH18h 35m
Waxing Gibbous
ILLUMINATION83% MOONRISE09:46Z MOONSET04:22Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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