// Station · 1m ago
EFMA
Mariehamn Airport
CAT VFR
WIND 330° / 21 kt G31
VIS 6+ SM
CEILING Few/scattered only
T/Td 13°C / 3°C
ALTIM 29.85 inHg
ELEV 17 FT
60.1222°N / 19.8982°E
LOCATION · Mariehamn, FI
WIND
330°21 kt
EFMA · 17 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
330°/21G31
VIS
6+ SM
CEILING
—
LAYERS
FEW040
T / Td
13 / 3
ALTIM
29.85"
// Interpretation
VFR with strong winds at 330°/21 kt, gusting 31. Visibility 6+ SM and a few at 4,000 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR EFMA 271050Z AUTO 33021G31KT 280V010 9999 FEW040 13/03 Q1011
EFMA · day 27 at 10:50 UTC · wind from 330° at 21 kt, gusts to 31 kt · visibility 6+ SM · a few clouds at 4,000 ft · temp 13°C / dewpoint 3°C · altimeter 29.85" Hg
// Runway analysis · computed from current METAR wind
Wind 330° @ 21 ktG31
1 USABLE · 1 AVOID · 1 CAUTION
WIND
330°21G31 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
1 usable
03★
HDG 030°
H11 kt
X18 kt LEFT
PRIMARY · 6,243'
TAILWIND ENDS · AVOID
1 ends
21
HDG 210°
T10 kt
X18 kt RIGHT
—
Pattern altitude: 1,017 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 -2°C
-100FT
-117 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS
↘ -200 FT
24h AGO18h12h6hNOW
FIELD ELEV17 FT
OAT+13°C
ISA DELTA-2°C
PRESSURE ALT82 FT
// Performance equivalent
Operating here right now feels like operating at EFPO
(Pori Airport, Pori, elev 44 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
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.
// Cloud layers · 1 reported · highest to lowest
// Sun & Moon · times in Z · bar = local day (UTC+1)
01:38ZSUNRISE
10:38ZSOLAR NOON
19:39ZSUNSET
20:56ZCIVIL END
CURRENT10:51Z
DAYLIGHT REMAINING8h 48m
VFR NIGHT BEGINS20:56Z (10h 05m)
DAY LENGTH18h 00m
Waxing Gibbous
ILLUMINATION83%
MOONRISE10:21Z
MOONSET04:22Z
FULL MOON IN4 days
// Nearest reporting stations · 4 shown · 100 NM (sparse area)
ESSA
VFR
Stockholm-Arlanda Airport · Stockholm
- WIND
- 320° / 19 kt
- VIS
- 6+ SM
- CEILING
- CLR
- DIST
- 66 NM SW
- AGE
- 31m ago
EFTU
VFR
Turku Airport · Turku
- WIND
- 330° / 15 kt
- VIS
- 6+ SM
- CEILING
- SCT035
- DIST
- 74 NM E
- AGE
- 1m ago
ESSB
VFR
Stockholm-Bromma Airport · Stockholm
- WIND
- 310° / 17 ktG29
- VIS
- 6+ SM
- CEILING
- CLR
- DIST
- 75 NM SW
- AGE
- 31m ago
EFPO
VFR
Pori Airport · Pori
- WIND
- 320° / 22 kt
- VIS
- 6+ SM
- CEILING
- CLR
- DIST
- 98 NM NE
- AGE
- 31m ago
// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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