// Station · 1h 5m ago · STALE

VTUW

Nakhon Phanom Airport

CAT VFR

WIND 120° / 3 kt

VIS 6+ SM

CEILING BKN at 4,000 ft

T/Td 26°C / 26°C

ALTIM 29.68 inHg

ELEV 587 FT

17.3838°N / 104.6430°E

LOCATION · Nakhon Phanom, TH

WIND

120°3 kt

VTUW · 587 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

120°/3

VIS

6+ SM

CEILING

BKN040

LAYERS

BKN040

T / Td

26 / 26

ALTIM

29.68"

// Interpretation

VFR — ceiling 4,000 ft. Light winds at 120°/3 kt, visibility 6+ SM, broken at 4,000 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 VTUW 251300Z 12003KT 9999 BKN040 26/26 Q1005 NOSIG

VTUW · day 25 at 13:00 UTC · wind from 120° at 3 kt · visibility 6+ SM · broken layer at 4,000 ft · temp 26°C / dewpoint 26°C · altimeter 29.68" Hg

// Runway analysis · computed from current METAR wind

Wind 120° @ 3 kt

ALL USABLE · WINDS CALM

WIND

120°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

15 HDG 150° —CALM —— 8,203'

33 HDG 330° —CALM —— 8,203'

Pattern altitude: 1,587 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 +13°C

2,300FT

+1,713 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV587 FT OAT+26°C ISA DELTA+13°C PRESSURE ALT829 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,300 ft high on a standard ISA day — that's +1,713 ft above VTUW's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+23%

-16%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+16%

-10%

Light jetCJ4, Phenom 300, M2

+9%

-7%

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)

BKN040

Broken · base 4,000 ft AGL · ~5–7 oktas

// Computed

CEILING4,000 ft AGL HIGHEST LAYER4,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL13,718 ft VFR MARGIN+1,000 ft

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

22:47ZSUNRISE

05:05ZSOLAR NOON

11:22ZSUNSET

11:44ZCIVIL END

CURRENT14:05Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:44Z (past) DAY LENGTH12h 34m

Waxing Gibbous

ILLUMINATION93% MOONRISE08:45Z MOONSET21:20Z FULL MOON IN3 days

// Nearest reporting stations

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

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