// Station · 17m ago

SCTB

Eulogio Sánchez Airport

CAT MVFR

WIND 210° / 3 kt

VIS 3.7 SM

CEILING BKN at 10,000 ft

T/Td 12°C / 6°C

ALTIM 30.06 inHg

ELEV 2,129 FT

33.4563°S / 70.5467°W

LOCATION · Santiago, CL

WIND

210°3 kt

SCTB · 2,129 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

210°/3

VIS

3.7 SM

CEILING

BKN100

LAYERS

BKN100

T / Td

12 / 6

ALTIM

30.06"

// Interpretation

MVFR — visibility 3.7 SM. Light winds at 210°/3 kt, visibility 3.7 SM, broken at 10,000 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 SCTB 290100Z 21003KT 140V230 6000 BKN100 12/06 Q1018

SCTB · day 29 at 01:00 UTC · wind from 210° at 3 kt · visibility 3.7 SM · broken layer at 10,000 ft · temp 12°C / dewpoint 6°C · altimeter 30.06" Hg

// Runway analysis · computed from current METAR wind

Wind 210° @ 3 kt

ALL USABLE · WINDS CALM

WIND

210°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

01 HDG 010° —CALM —— 3,280'

19 HDG 190° —CALM —— 3,280'

Pattern altitude: 3,129 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

2,100FT

-29 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV2,129 FT OAT+12°C ISA DELTA+1°C PRESSURE ALT1,987 FT

// Performance equivalent Operating here right now feels like operating at SCRG (La Independencia Airport, Rancagua, elev 1,610 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+21%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

// Computed

CEILING10,000 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL8,190 ft VFR MARGIN+7,000 ft

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

11:06ZSUNRISE

16:44ZSOLAR NOON

22:23ZSUNSET

22:48ZCIVIL END

CURRENT01:17Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS22:48Z (past) DAY LENGTH11h 16m

Waning Gibbous

ILLUMINATION99% MOONRISE23:53Z MOONSET11:10Z FULL MOON IN29 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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