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// STALE Observation is 1h 0m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 0m ago · STALE

VTCL

Lampang Airport
CAT VFR
WIND 190° / 5 kt
VIS 6+ SM
CEILING CLR
T/Td 28°C / 24°C
ALTIM 29.59 inHg
ELEV 811 FT
18.2709°N / 99.5042°E
N
WIND
190°5 kt
VTCL · 811 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
190°/5
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
28 / 24
 
 
 
ALTIM
29.59"
 
 
 

// Interpretation

VFR with light winds at 190°/5 kt. Visibility 6+ SM and no reported cloud layers. 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 VTCL 111300Z 19005KT 140V230 CAVOK 28/24 Q1002 NOSIG

VTCL · day 11 at 13:00 UTC · wind from 190° at 5 kt · visibility 6+ SM · temp 28°C / dewpoint 24°C · altimeter 29.59" Hg

// Runway analysis · computed from current METAR wind

Wind 190° @ 5 kt
1 USABLE · 1 AVOID
N
WIND
190°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
18 HDG 180° H5 kt X1 kt RIGHT PRIMARY · 6,465'
TAILWIND ENDS · AVOID 1 ends
36 HDG 360° T5 kt X1 kt LEFT
Pattern altitude: 1,811 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 +15°C

3,000FT
+2,189 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +600 FT
3,600 2,850 2,100
24h AGO18h12h6hNOW
FIELD ELEV811 FT OAT+28°C ISA DELTA+15°C PRESSURE ALT1,142 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 +2,189 ft above VTCL'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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,952 FT VTCL ELEV · 811 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL14,952 ft VFR MARGINunlimited

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

22:53ZSUNRISE
05:28ZSOLAR NOON
12:03ZSUNSET
12:27ZCIVIL END
CURRENT14:00Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS12:27Z (past) DAY LENGTH13h 09m
Waning Crescent
ILLUMINATION11% MOONRISE20:17Z MOONSET09:26Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 100 NM (sparse area)

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

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