// Station · 20m ago

SBTF

Tefé Airport

CAT VFR

WIND 120° / 5 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 31°C / 25°C

ALTIM 29.85 inHg

ELEV 186 FT

3.3829°S / 64.7241°W

LOCATION · Tefé, BR

WIND

120°5 kt

SBTF · 186 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

120°/5

VIS

6+ SM

CEILING

—

LAYERS

SCT018

T / Td

31 / 25

ALTIM

29.85"

// Interpretation

VFR with light winds at 120°/5 kt. Visibility 6+ SM and scattered at 1,800 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 SBTF 111700Z 12005KT 9999 SCT018 31/25 Q1011

SBTF · day 11 at 17:00 UTC · wind from 120° at 5 kt · visibility 6+ SM · scattered layer at 1,800 ft · temp 31°C / dewpoint 25°C · altimeter 29.85" Hg

// Runway analysis · computed from current METAR wind

Wind 120° @ 5 kt

1 USABLE · 1 AVOID

WIND

120°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

15★ HDG 150° H4 kt X2 kt LEFT PRIMARY · 7,218'

TAILWIND ENDS · AVOID 1 ends

33 HDG 330° T4 kt X3 kt RIGHT —

Pattern altitude: 1,186 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 +16°C

2,200FT

+2,014 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV186 FT OAT+31°C ISA DELTA+16°C PRESSURE ALT251 FT

// Performance equivalent Operating here right now feels like operating at SBVH (Brigadeiro Camarão Airport, Vilhena, elev 2,018 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+22%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-10%

Light jetCJ4, Phenom 300, M2

+9%

-7%

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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT018

Scattered · base 1,800 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER1,800 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL15,843 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-4)

10:27ZSUNRISE

16:25ZSOLAR NOON

22:23ZSUNSET

22:45ZCIVIL END

CURRENT17:20Z DAYLIGHT REMAINING5h 03m VFR NIGHT BEGINS22:45Z (5h 25m) DAY LENGTH11h 56m

Waning Crescent

ILLUMINATION10% MOONRISE07:57Z MOONSET19:53Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 100 NM (sparse area)

SBUY

VFR

Urucu Airport · Urucu

WIND: 330° / 2 kt
VIS: 6+ SM
CEILING: SCT012
DIST: 98 NM SW
AGE: 20m ago

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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