// Station · 4h 3m ago · STALE

SEAM

Chachoán Regional Airport

CAT VFR

WIND 220° / 11 kt

VIS 6+ SM

CEILING BKN at 30,000 ft

T/Td 23°C / 13°C

ALTIM 30.30 inHg

ELEV 8,502 FT

1.2121°S / 78.5746°W

LOCATION · Ambato, EC

WIND

220°11 kt

SEAM · 8,502 FT

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

METRIC

NOW · 21Z

+6H

+12H

+18H

WIND

220°/11

VIS

6+ SM

CEILING

BKN300

LAYERS

FEW033 BKN300

T / Td

23 / 13

ALTIM

30.30"

// Interpretation

VFR — ceiling 30,000 ft. Moderate winds at 220°/11 kt, visibility 6+ SM, a few at 3,300 ft, and broken at 30,000 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 SEAM 122100Z 22011KT 9999 FEW033 BKN300 23/13 Q1026

SEAM · day 12 at 21:00 UTC · wind from 220° at 11 kt · visibility 6+ SM · a few clouds at 3,300 ft · broken layer at 30,000 ft · temp 23°C / dewpoint 13°C · altimeter 30.30" Hg

// Runway analysis · computed from current METAR wind

Wind 220° @ 11 kt

1 USABLE · 1 AVOID

WIND

220°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

19★ HDG 190° H10 kt X5 kt RIGHT PRIMARY · 6,316'

TAILWIND ENDS · AVOID 1 ends

01 HDG 010° T10 kt X6 kt LEFT —

Pattern altitude: 9,502 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 +24°C

11,000FT

+2,498 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV8,502 FT OAT+23°C ISA DELTA+24°C PRESSURE ALT8,124 FT

// Performance equivalent Your aircraft will perform as if it's at a field 11,000 ft high on a standard ISA day — that's +2,498 ft above SEAM's actual elevation.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+110%

-77%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+77%

-50%

Light jetCJ4, Phenom 300, M2

+44%

-33%

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)

BKN300

Broken · base 30,000 ft AGL · ~5–7 oktas

FEW033

Few · base 3,300 ft AGL · ~1–2 oktas

// Computed

CEILING30,000 ft AGL HIGHEST LAYER30,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL20,118 ft VFR MARGIN+27,000 ft

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

10:57ZSUNRISE

17:01ZSOLAR NOON

23:05ZSUNSET

23:26ZCIVIL END

CURRENT01:03Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:26Z (past) DAY LENGTH12h 07m

Waxing Crescent

ILLUMINATION3% MOONRISE12:18Z MOONSET00:26Z 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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