// Station · 5h 5m ago · STALE

VTUI

Sakon Nakhon Airport

CAT VFR

WIND 250° / 4 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 27°C / 23°C

ALTIM 29.56 inHg

ELEV 529 FT

17.1951°N / 104.1190°E

WIND

250°4 kt

VTUI · 529 FT

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

METRIC

NOW · 11Z

+6H

+12H

+18H

WIND

250°/4

VIS

6+ SM

CEILING

—

LAYERS

FEW030 SCT100

T / Td

27 / 23

ALTIM

29.56"

// Interpretation

VFR with light winds at 250°/4 kt. Visibility 6+ SM and a few at 3,000 ft, and scattered 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 VTUI 111100Z 25004KT 230V290 9999 FEW030 SCT100 27/23 Q1001 NOSIG

VTUI · day 11 at 11:00 UTC · wind from 250° at 4 kt · visibility 6+ SM · a few clouds at 3,000 ft · scattered layer at 10,000 ft · temp 27°C / dewpoint 23°C · altimeter 29.56" Hg

// Runway analysis · computed from current METAR wind

Wind 250° @ 4 kt

ALL USABLE · WINDS CALM

WIND

250°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 +14°C

2,500FT

+1,971 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +300 FT

24h AGO18h12h6hNOW

FIELD ELEV529 FT OAT+27°C ISA DELTA+14°C PRESSURE ALT889 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,500 ft high on a standard ISA day — that's +1,971 ft above VTUI's actual elevation.

// 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.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

SCT100

Scattered · base 10,000 ft AGL · ~3–4 oktas

FEW030

Few · base 3,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER10,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL14,165 ft VFR MARGINunlimited

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

22:37ZSUNRISE

05:10ZSOLAR NOON

11:42ZSUNSET

12:06ZCIVIL END

CURRENT16:05Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS12:06Z (past) DAY LENGTH13h 05m

Waning Crescent

ILLUMINATION11% MOONRISE20:04Z MOONSET09:10Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of VTUI.

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

AIRSPACE

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