// Station · 3h 13m ago · STALE

VTSB

Surat Thani Airport

CAT VFR

WIND 170° / 5 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 26°C / 26°C

ALTIM 29.85 inHg

ELEV 20 FT

9.1326°N / 99.1356°E

LOCATION · Surat Thani, TH

WIND

170°5 kt

VTSB · 20 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

170°/5

VIS

6+ SM

CEILING

—

LAYERS

FEW020

T / Td

26 / 26

ALTIM

29.85"

// Interpretation

VFR with light winds at 170°/5 kt. Visibility 6+ SM and a few at 2,000 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 VTSB 251500Z 17005KT 9999 FEW020 26/26 Q1011 NOSIG

VTSB · day 25 at 15:00 UTC · wind from 170° at 5 kt · visibility 6+ SM · a few clouds at 2,000 ft · temp 26°C / dewpoint 26°C · altimeter 29.85" Hg

// Runway analysis · computed from current METAR wind

Wind 170° @ 5 kt

1 USABLE · 1 AVOID

WIND

170°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

22★ HDG 220° H3 kt X4 kt LEFT PRIMARY · 9,843'

TAILWIND ENDS · AVOID 1 ends

04 HDG 040° T3 kt X4 kt RIGHT —

Pattern altitude: 1,020 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 +11°C

1,400FT

+1,380 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV20 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT85 FT

// Performance equivalent Operating here right now feels like operating at VTCT (Mae Fah Luang - Chiang Rai International Airport, Chiang Rai, elev 1,280 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+14%

-10%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+10%

-6%

Light jetCJ4, Phenom 300, M2

+6%

-4%

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)

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL13,151 ft VFR MARGINunlimited

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

23:16ZSUNRISE

05:26ZSOLAR NOON

11:37ZSUNSET

11:58ZCIVIL END

CURRENT18:13Z DAYLIGHT REMAINING17h 23m VFR NIGHT BEGINS11:58Z (17h 44m) DAY LENGTH12h 20m

Waxing Gibbous

ILLUMINATION94% MOONRISE09:23Z MOONSET21:43Z 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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