// Station · 18m ago

SBTU

Tucuruí Airport

CAT —

WIND 230° / 7 kt

VIS —

CEILING Few/scattered only

T/Td 31°C / 22°C

ALTIM 29.97 inHg

ELEV 830 FT

3.7860°S / 49.7203°W

LOCATION · Tucuruí, BR

WIND

230°7 kt

SBTU · 830 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

230°/7

VIS

—

CEILING

—

LAYERS

SCT028

T / Td

31 / 22

ALTIM

29.97"

// Interpretation

VFR with light winds at 230°/7 kt. Visibility unreported and scattered at 2,800 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 SBTU 251600Z AUTO 23007KT 210V280 //// // SCT028/// 31/22 Q1015

SBTU · day 25 at 16:00 UTC · wind from 230° at 7 kt · scattered layer at 2,800 ft · temp 31°C / dewpoint 22°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 230° @ 7 kt

1 USABLE · 1 AVOID

WIND

230°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

20★ HDG 200° H6 kt X3 kt RIGHT PRIMARY · 6,562'

TAILWIND ENDS · AVOID 1 ends

2 HDG 020° T6 kt X4 kt LEFT —

Pattern altitude: 1,830 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 +18°C

2,900FT

+2,070 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV830 FT OAT+31°C ISA DELTA+18°C PRESSURE ALT777 FT

// Performance equivalent Operating here right now feels like operating at SNBR (Dom Ricardo Weberberger Airport, Barreiras, elev 2,451 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+29%

-20%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+20%

-13%

Light jetCJ4, Phenom 300, M2

+12%

-9%

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)

SCT028

Scattered · base 2,800 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER2,800 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL16,487 ft VFR MARGINunlimited

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

09:22ZSUNRISE

15:22ZSOLAR NOON

21:23ZSUNSET

21:44ZCIVIL END

CURRENT16:18Z DAYLIGHT REMAINING5h 04m VFR NIGHT BEGINS21:44Z (5h 25m) DAY LENGTH12h 01m

Waxing Gibbous

ILLUMINATION94% MOONRISE19:24Z MOONSET07:25Z FULL MOON IN2 days

// Nearest reporting stations

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

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