// Station · 1h 9m ago · STALE

SBGW

Edu Chaves Field

CAT MVFR

WIND 050° / 6 kt

VIS 5.0 SM

CEILING OVC at 1,800 ft

T/Td 20°C / 14°C

ALTIM 30.15 inHg

ELEV 1,761 FT

22.7916°S / 45.2048°W

LOCATION · Guaratinguetá, BR

WIND

050°6 kt

SBGW · 1,761 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

050°/6

VIS

5.0 SM

CEILING

OVC018

LAYERS

FEW010 OVC018

T / Td

20 / 14

ALTIM

30.15"

// Interpretation

MVFR — ceiling 1,800 ft. Light winds at 050°/6 kt, visibility 5.0 SM, a few at 1,000 ft, and overcast at 1,800 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 SBGW 251300Z 05006KT 350V090 8000 FEW010 OVC018 20/14 Q1021

SBGW · day 25 at 13:00 UTC · wind from 050° at 6 kt · visibility 5.0 SM · a few clouds at 1,000 ft · overcast at 1,800 ft · temp 20°C / dewpoint 14°C · altimeter 30.15" Hg

// Runway analysis · computed from current METAR wind

Wind 050° @ 6 kt

1 USABLE · 1 AVOID

WIND

050°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

2★ HDG 020° H5 kt X3 kt RIGHT PRIMARY · 5,089'

TAILWIND ENDS · AVOID 1 ends

20 HDG 200° T5 kt X3 kt LEFT —

Pattern altitude: 2,761 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 +8°C

2,500FT

+739 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,761 FT OAT+20°C ISA DELTA+8°C PRESSURE ALT1,531 FT

// Performance equivalent Operating here right now feels like operating at SBGR (São Paulo/Guarulhos–Governor André Franco Montoro International Airport, São Paulo, elev 2,461 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+25%

-18%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+18%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-8%

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)

OVC018

Overcast · base 1,800 ft AGL · 8 oktas

FEW010

Few · base 1,000 ft AGL · ~1–2 oktas

// Computed

CEILING1,800 ft AGL HIGHEST LAYER1,800 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL11,862 ft VFR MARGIN-1,200 ft

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

09:19ZSUNRISE

15:04ZSOLAR NOON

20:49ZSUNSET

21:12ZCIVIL END

CURRENT14:09Z DAYLIGHT REMAINING6h 40m VFR NIGHT BEGINS21:12Z (7h 03m) DAY LENGTH11h 30m

Waxing Gibbous

ILLUMINATION93% MOONRISE19:17Z MOONSET06:47Z 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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