// Station · 1h 15m ago · STALE

SBUF

Paulo Afonso Airport

CAT VFR

WIND 090° / 13 kt

VIS 6+ SM

CEILING BKN at 4,300 ft

T/Td 31°C / 16°C

ALTIM 30.00 inHg

ELEV 883 FT

9.4009°S / 38.2506°W

LOCATION · Paulo Afonso, BR

WIND

090°13 kt

SBUF · 883 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

090°/13

VIS

6+ SM

CEILING

BKN043

LAYERS

BKN043 BKN080

T / Td

31 / 16

ALTIM

30.00"

// Interpretation

VFR — ceiling 4,300 ft. Brisk winds at 090°/13 kt, visibility 6+ SM, broken at 4,300 ft, and broken at 8,000 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 SBUF 251700Z 09013KT 9999 BKN043 BKN080 31/16 Q1016

SBUF · day 25 at 17:00 UTC · wind from 090° at 13 kt · visibility 6+ SM · broken layer at 4,300 ft · broken layer at 8,000 ft · temp 31°C / dewpoint 16°C · altimeter 30.00" Hg

// Runway analysis · computed from current METAR wind

Wind 090° @ 13 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

090°13 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H8 kt X10 kt LEFT PRIMARY · 5,906'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T8 kt X10 kt RIGHT —

Pattern altitude: 1,883 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

+2,017 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV883 FT OAT+31°C ISA DELTA+18°C PRESSURE ALT801 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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN080

Broken · base 8,000 ft AGL · ~5–7 oktas

BKN043

Broken · base 4,300 ft AGL · ~5–7 oktas

// Computed

CEILING4,300 ft AGL HIGHEST LAYER8,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL16,540 ft VFR MARGIN+1,300 ft

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

08:40ZSUNRISE

14:36ZSOLAR NOON

20:32ZSUNSET

20:54ZCIVIL END

CURRENT18:15Z DAYLIGHT REMAINING2h 16m VFR NIGHT BEGINS20:54Z (2h 38m) DAY LENGTH11h 52m

Waxing Gibbous

ILLUMINATION94% MOONRISE18:46Z MOONSET06:39Z 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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