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// Station · 13m ago

FMNA

Arrachart Airport
CAT MVFR
WIND 040° / 6 kt
VIS 6+ SM
CEILING BKN at 2,000 ft
T/Td 26°C / 21°C
ALTIM 29.97 inHg
ELEV 374 FT
12.3494°S / 49.2917°E
LOCATION · Antisiranana, MG
N
WIND
040°6 kt
FMNA · 374 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
040°/6
 
 
 
VIS
6+ SM
 
 
 
CEILING
BKN020
 
 
 
LAYERS
BKN020
 
 
 
T / Td
26 / 21
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

MVFR — ceiling 2,000 ft. Light winds at 040°/6 kt, visibility 6+ SM, broken at 2,000 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 FMNA 111500Z 04006KT 9999 BKN020 26/21 Q1015

FMNA · day 11 at 15:00 UTC · wind from 040° at 6 kt · visibility 6+ SM · broken layer at 2,000 ft · temp 26°C / dewpoint 21°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 040° @ 6 kt
2 USABLE · 0 AVOID · 2 CAUTION
N
WIND
040°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
13 HDG 130° H0 kt X6 kt LEFT PRIMARY · 4,921'
31 HDG 310° H0 kt X6 kt RIGHT ⚠ HIGH XW · 100%
Pattern altitude: 1,374 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 +12°C

1,700FT
+1,326 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +500 FT
2,600 1,800 1,000
24h AGO18h12h6hNOW
FIELD ELEV374 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT321 FT
// Performance equivalent Operating here right now feels like operating at FMND (Andapa Airport, elev 1,552 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+17%
-12%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+12%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-5%

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 · 13,505 FT BKN020 · CEILING FMNA ELEV · 374 FT
// Reported layers (highest → lowest)
BKN020
Broken · base 2,000 ft AGL · ~5–7 oktas
// Computed
CEILING2,000 ft AGL HIGHEST LAYER2,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL13,505 ft VFR MARGIN-1,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+3)

03:06ZSUNRISE
08:49ZSOLAR NOON
14:32ZSUNSET
14:55ZCIVIL END
CURRENT15:13Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS14:55Z (past) DAY LENGTH11h 26m
Waning Crescent
ILLUMINATION11% MOONRISE00:32Z MOONSET11:58Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 100 NM (sparse area)

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

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