// Station · 1h 2m ago · STALE

VTUI

Sakon Nakhon Airport

CAT MVFR

WIND 140° / 4 kt

VIS 4.3 SM

CEILING BKN at 8,000 ft

T/Td 23°C / 23°C

ALTIM 29.97 inHg

WX -RA

ELEV 529 FT

17.1951°N / 104.1190°E

WIND

140°4 kt

VTUI · 529 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

140°/4

VIS

4.3 SM

CEILING

BKN080

LAYERS

SCT010 BKN080

T / Td

23 / 23

ALTIM

29.97"

// Interpretation

MVFR — visibility 4.3 SM. Light winds at 140°/4 kt, visibility 4.3 SM, scattered at 1,000 ft, and broken at 8,000 ft. Reported weather: light rain (-RA). 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 VTUI 130000Z 14004KT 110V200 7000 -RA SCT010 BKN080 23/23 Q1015 RETS TEMPO 4000 RA

VTUI · day 13 at 00:00 UTC · wind from 140° at 4 kt · visibility 4.3 SM · scattered layer at 1,000 ft · broken layer at 8,000 ft · temp 23°C / dewpoint 23°C · altimeter 29.97" Hg · weather: light rain (-RA)

// Runway analysis · computed from current METAR wind

Wind 140° @ 4 kt

ALL USABLE · WINDS CALM

WIND

140°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

05 HDG 050° —CALM —— 8,530'

23 HDG 230° —CALM —— 8,530'

Pattern altitude: 1,529 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 +9°C

1,500FT

+971 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV529 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT476 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 MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-5%

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)

BKN080

Broken · base 8,000 ft AGL · ~5–7 oktas

SCT010

Scattered · base 1,000 ft AGL · ~3–4 oktas

// Computed

CEILING8,000 ft AGL HIGHEST LAYER8,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL12,145 ft VFR MARGIN+5,000 ft

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

22:56ZSUNRISE

04:51ZSOLAR NOON

10:45ZSUNSET

11:06ZCIVIL END

CURRENT01:02Z DAYLIGHT REMAINING9h 42m VFR NIGHT BEGINS11:06Z (10h 03m) DAY LENGTH11h 48m

Waxing Crescent

ILLUMINATION3% MOONRISE00:17Z MOONSET12:05Z FULL MOON IN13 days

// Nearest reporting stations

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

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