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// STALE Observation is 1h 7m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 7m ago · STALE

MSAC

La Aramuaca Airport
CAT VFR
WIND 230° / 9 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 34°C / 24°C
ALTIM 29.80 inHg
ELEV 285 FT
13.4480°N / 88.1201°W
LOCATION · San Miguel, SV
N
WIND
230°9 kt
MSAC · 285 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
230°/9
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
SCT037
 
 
 
T / Td
34 / 24
 
 
 
ALTIM
29.80"
 
 
 

// Interpretation

VFR with moderate winds at 230°/9 kt. Visibility 6+ SM and scattered at 3,700 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 MSAC 301950Z 23009KT 9999 SCT037 34/24 Q1009 A2980

MSAC · day 30 at 19:50 UTC · wind from 230° at 9 kt · visibility 6+ SM · scattered layer at 3,700 ft · temp 34°C / dewpoint 24°C · altimeter 29.80" Hg

// Runway analysis

No runway data on file for MSAC.

// Density altitude · ISA +20°C

2,800FT
+2,515 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +200 FT
3,000 2,350 1,700
24h AGO18h12h6hNOW
FIELD ELEV285 FT OAT+34°C ISA DELTA+20°C PRESSURE ALT409 FT
// Performance equivalent Your aircraft will perform as if it's at a field 2,800 ft high on a standard ISA day — that's +2,515 ft above MSAC's actual elevation.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+28%
-20%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+20%
-13%
Light jetCJ4, Phenom 300, M2
+11%
-8%

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 · 17,457 FT SCT037 MSAC ELEV · 285 FT
// Reported layers (highest → lowest)
SCT037
Scattered · base 3,700 ft AGL · ~3–4 oktas
// Computed
CEILING HIGHEST LAYER3,700 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL17,457 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:25ZSUNRISE
17:51ZSOLAR NOON
00:17ZSUNSET
00:40ZCIVIL END
CURRENT20:57Z DAYLIGHT REMAINING3h 19m VFR NIGHT BEGINS00:40Z (3h 43m) DAY LENGTH12h 51m
Full Moon
ILLUMINATION100% MOONRISE22:55Z MOONSET11:46Z FULL MOON IN1 day

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

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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