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// STALE Observation is 1h 56m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 56m ago · STALE

VTUI

Sakon Nakhon Airport
CAT VFR
WIND 120° / 5 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 32°C / 27°C
ALTIM 29.68 inHg
ELEV 529 FT
17.1951°N / 104.1190°E
N
WIND
120°5 kt
VTUI · 529 FT
© OSM · CartoDB

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

METRIC
NOW · 11Z
+6H
+12H
+18H
WIND
120°/5
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW030
 
 
 
T / Td
32 / 27
 
 
 
ALTIM
29.68"
 
 
 

// Interpretation

VFR with light winds at 120°/5 kt. Visibility 6+ SM and a few at 3,000 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 271100Z 12005KT 9999 FEW030 32/27 Q1005 NOSIG

VTUI · day 27 at 11:00 UTC · wind from 120° at 5 kt · visibility 6+ SM · a few clouds at 3,000 ft · temp 32°C / dewpoint 27°C · altimeter 29.68" Hg

// Runway analysis · computed from current METAR wind

Wind 120° @ 5 kt
1 USABLE · 1 AVOID
N
WIND
120°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
05 HDG 050° H2 kt X5 kt RIGHT PRIMARY · 8,530'
TAILWIND ENDS · AVOID 1 ends
23 HDG 230° T2 kt X5 kt LEFT
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 +19°C

3,000FT
+2,471 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +700 FT
3,500 2,800 2,100
24h AGO18h12h6hNOW
FIELD ELEV529 FT OAT+32°C ISA DELTA+19°C PRESSURE ALT771 FT
// Performance equivalent Your aircraft will perform as if it's at a field 3,000 ft high on a standard ISA day — that's +2,471 ft above VTUI's actual elevation.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+30%
-21%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+21%
-14%
Light jetCJ4, Phenom 300, M2
+12%
-9%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 16,691 FT FEW030 VTUI ELEV · 529 FT
// Reported layers (highest → lowest)
FEW030
Few · base 3,000 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER3,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL16,691 ft VFR MARGINunlimited

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

22:30ZSUNRISE
05:02ZSOLAR NOON
11:33ZSUNSET
11:57ZCIVIL END
CURRENT12:56Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:57Z (past) DAY LENGTH13h 02m
Waxing Gibbous
ILLUMINATION83% MOONRISE07:17Z MOONSET20:20Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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