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// STALE Observation is 4h 11m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 4h 11m ago · STALE

VTBO

Trat Airport
CAT MVFR
WIND 210° / 10 kt
VIS 5.0 SM
CEILING Few/scattered only
T/Td 30°C / 26°C
ALTIM 29.68 inHg
ELEV 105 FT
12.2746°N / 102.3190°E
LOCATION · Laem Ngop, TH
N
WIND
210°10 kt
VTBO · 105 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
210°/10
 
 
 
VIS
5.0 SM
 
 
 
CEILING
 
 
 
LAYERS
FEW020 SCT100
 
 
 
T / Td
30 / 26
 
 
 
ALTIM
29.68"
 
 
 

// Interpretation

MVFR — visibility 5.0 SM. Moderate winds at 210°/10 kt, visibility 5.0 SM, a few at 2,000 ft, and scattered at 10,000 ft. 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 VTBO 111200Z 21010KT 8000 FEW020 SCT100 30/26 Q1005

VTBO · day 11 at 12:00 UTC · wind from 210° at 10 kt · visibility 5.0 SM · a few clouds at 2,000 ft · scattered layer at 10,000 ft · temp 30°C / dewpoint 26°C · altimeter 29.68" Hg

// Runway analysis · computed from current METAR wind

Wind 210° @ 10 kt
1 USABLE · 1 AVOID
N
WIND
210°10 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
23 HDG 230° H9 kt X3 kt LEFT PRIMARY · 5,899'
TAILWIND ENDS · AVOID 1 ends
05 HDG 050° T9 kt X3 kt RIGHT
Pattern altitude: 1,105 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 +16°C

2,200FT
+2,095 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +200 FT
2,500 2,200 1,900
24h AGO18h12h6hNOW
FIELD ELEV105 FT OAT+30°C ISA DELTA+16°C PRESSURE ALT347 FT
// Performance equivalent Your aircraft will perform as if it's at a field 2,200 ft high on a standard ISA day — that's +2,095 ft above VTBO's actual elevation.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+22%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-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.

// Cloud layers · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 15,257 FT FEW020 SCT100 VTBO ELEV · 105 FT
// Reported layers (highest → lowest)
SCT100
Scattered · base 10,000 ft AGL · ~3–4 oktas
FEW020
Few · base 2,000 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER10,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL15,257 ft VFR MARGINunlimited

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

22:53ZSUNRISE
05:17ZSOLAR NOON
11:41ZSUNSET
12:04ZCIVIL END
CURRENT16:11Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS12:04Z (past) DAY LENGTH12h 48m
Waning Crescent
ILLUMINATION11% MOONRISE20:21Z MOONSET09:09Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 150 NM (sparse area)

// Area map · 160 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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