// Station · 9h 22m ago · STALE · HARD STALE

VTBO

Trat Airport

CAT VFR

WIND 220° / 13 kt

VIS 6+ SM

CEILING BKN at 10,000 ft

T/Td 29°C / 25°C

ALTIM 29.77 inHg

ELEV 105 FT

12.2746°N / 102.3190°E

LOCATION · Laem Ngop, TH

WIND

220°13 kt

VTBO · 105 FT

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

METRIC

NOW · 11Z

+6H

+12H

+18H

WIND

220°/13

VIS

6+ SM

CEILING

BKN100

LAYERS

FEW020 BKN100

T / Td

29 / 25

ALTIM

29.77"

// Interpretation

VFR — ceiling 10,000 ft. Brisk winds at 220°/13 kt, visibility 6+ SM, a few at 2,000 ft, and broken at 10,000 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 VTBO 251100Z 22013KT 9999 FEW020 BKN100 29/25 Q1008

VTBO · day 25 at 11:00 UTC · wind from 220° at 13 kt · visibility 6+ SM · a few clouds at 2,000 ft · broken layer at 10,000 ft · temp 29°C / dewpoint 25°C · altimeter 29.77" Hg

// Runway analysis · computed from current METAR wind

Wind 220° @ 13 kt

1 USABLE · 1 AVOID

WIND

220°13 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

23★ HDG 230° H13 kt X2 kt LEFT PRIMARY · 5,899'

TAILWIND ENDS · AVOID 1 ends

05 HDG 050° T13 kt X2 kt RIGHT —

Pattern altitude: 1,105 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 +15°C

2,000FT

+1,895 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV105 FT OAT+29°C ISA DELTA+15°C PRESSURE ALT259 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,000 ft high on a standard ISA day — that's +1,895 ft above VTBO's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+20%

-14%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+14%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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)

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING10,000 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL14,751 ft VFR MARGIN+7,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+7)

23:01ZSUNRISE

05:14ZSOLAR NOON

11:26ZSUNSET

11:48ZCIVIL END

CURRENT20:22Z DAYLIGHT REMAINING15h 04m VFR NIGHT BEGINS11:48Z (15h 26m) DAY LENGTH12h 25m

Waxing Gibbous

ILLUMINATION94% MOONRISE09:12Z MOONSET21:37Z 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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