// Station · 2h 52m ago · STALE

SCCH

Gral. Bernardo O´Higgins Airport

CAT MVFR

WIND 040° / 7 kt

VIS 3.1 SM

CEILING OVC at 7,000 ft

T/Td 13°C / 11°C

ALTIM 29.97 inHg

WX VCSH

ELEV 495 FT

36.5825°S / 72.0314°W

LOCATION · Chillan, CL

WIND

040°7 kt

SCCH · 495 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

040°/7

VIS

3.1 SM

CEILING

OVC070

LAYERS

SCT050 OVC070

T / Td

13 / 11

ALTIM

29.97"

// Interpretation

MVFR — visibility 3.1 SM. Light winds at 040°/7 kt, visibility 3.1 SM, scattered at 5,000 ft, and overcast at 7,000 ft. Reported weather: showers in the vicinity (VCSH). 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 SCCH 122300Z 04007KT 5000 VCSH SCT050 OVC070 13/11 Q1015 RESHRA

SCCH · day 12 at 23:00 UTC · wind from 040° at 7 kt · visibility 3.1 SM · scattered layer at 5,000 ft · overcast at 7,000 ft · temp 13°C / dewpoint 11°C · altimeter 29.97" Hg · weather: showers in the vicinity (VCSH)

// Runway analysis · computed from current METAR wind

Wind 040° @ 7 kt

1 USABLE · 1 AVOID

WIND

040°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

04★ HDG 040° H7 kt X0 kt — PRIMARY · 5,740'

TAILWIND ENDS · AVOID 1 ends

22 HDG 220° T7 kt X0 kt — —

Pattern altitude: 1,495 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 -1°C

300FT

-195 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV495 FT OAT+13°C ISA DELTA-1°C PRESSURE ALT442 FT

// Performance equivalent Operating here right now feels like operating at SCGE (María Dolores Airport, Los Angeles, elev 374 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+3%

-2%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+2%

-1%

Light jetCJ4, Phenom 300, M2

+1%

-1%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC070

Overcast · base 7,000 ft AGL · 8 oktas

SCT050

Scattered · base 5,000 ft AGL · ~3–4 oktas

// Computed

CEILING7,000 ft AGL HIGHEST LAYER7,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL7,061 ft VFR MARGIN+4,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

10:09ZSUNRISE

16:35ZSOLAR NOON

23:02ZSUNSET

23:28ZCIVIL END

CURRENT01:52Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:28Z (past) DAY LENGTH12h 52m

Waxing Crescent

ILLUMINATION3% MOONRISE11:31Z MOONSET00:24Z 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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