// Station · 8h 27m ago · STALE · HARD STALE

SLRB

Roboré Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING Few/scattered only

T/Td 29°C / 23°C

ALTIM 29.77 inHg

ELEV 905 FT

18.3282°S / 59.7653°W

LOCATION · Roboré, BO

WIND

000°0 kt

SLRB · 905 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

—

LAYERS

FEW017

T / Td

29 / 23

ALTIM

29.77"

// Interpretation

VFR with winds calm. Visibility 6+ SM and a few at 1,700 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 SLRB 122200Z 00000KT 9999 FEW017 29/23 Q1008

SLRB · day 12 at 22:00 UTC · winds calm · visibility 6+ SM · a few clouds at 1,700 ft · temp 29°C / dewpoint 23°C · altimeter 29.77" Hg

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

18 HDG 180° —CALM —— 3,940'

36 HDG 360° —CALM —— 3,940'

Pattern altitude: 1,905 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

3,000FT

+2,095 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV905 FT OAT+29°C ISA DELTA+16°C PRESSURE ALT1,059 FT

// Performance equivalent Operating here right now feels like operating at SLCA (Camiri Airport, Camiri, elev 2,614 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+30%

-21%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+21%

-14%

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)

FEW017

Few · base 1,700 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER1,700 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL15,551 ft VFR MARGINunlimited

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

09:32ZSUNRISE

15:46ZSOLAR NOON

22:00ZSUNSET

22:22ZCIVIL END

CURRENT06:27Z DAYLIGHT REMAINING15h 32m VFR NIGHT BEGINS22:22Z (15h 54m) DAY LENGTH12h 27m

Waxing Crescent

ILLUMINATION4% MOONRISE11:04Z MOONSET23:32Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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