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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

VTCP

Phrae Airport
CAT VFR
WIND 230° / 7 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 35°C / 24°C
ALTIM 29.68 inHg
ELEV 538 FT
18.1322°N / 100.1650°E
N
WIND
230°7 kt
VTCP · 538 FT
© OSM · CartoDB

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

METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
230°/7
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW047
 
 
 
T / Td
35 / 24
 
 
 
ALTIM
29.68"
 
 
 

// Interpretation

VFR with light winds at 230°/7 kt. Visibility 6+ SM and a few at 4,700 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 VTCP 271000Z 23007KT 170V270 9999 FEW047 35/24 Q1005 NOSIG

VTCP · day 27 at 10:00 UTC · wind from 230° at 7 kt · visibility 6+ SM · a few clouds at 4,700 ft · temp 35°C / dewpoint 24°C · altimeter 29.68" Hg

// Runway analysis · computed from current METAR wind

Wind 230° @ 7 kt
1 USABLE · 1 AVOID
N
WIND
230°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
19 HDG 190° H5 kt X4 kt RIGHT PRIMARY · 4,921'
TAILWIND ENDS · AVOID 1 ends
01 HDG 010° T5 kt X4 kt LEFT
Pattern altitude: 1,538 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 +22°C

3,400FT
+2,862 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +1,400 FT
3,700 2,700 1,700
24h AGO18h12h6hNOW
FIELD ELEV538 FT OAT+35°C ISA DELTA+22°C PRESSURE ALT780 FT
// Performance equivalent Your aircraft will perform as if it's at a field 3,400 ft high on a standard ISA day — that's +2,862 ft above VTCP's actual elevation.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+34%
-24%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+24%
-15%
Light jetCJ4, Phenom 300, M2
+14%
-10%

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 · 18,215 FT FEW047 VTCP ELEV · 538 FT
// Reported layers (highest → lowest)
FEW047
Few · base 4,700 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER4,700 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL18,215 ft VFR MARGINunlimited

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

22:44ZSUNRISE
05:17ZSOLAR NOON
11:50ZSUNSET
12:14ZCIVIL END
CURRENT14:11Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS12:14Z (past) DAY LENGTH13h 06m
Waxing Gibbous
ILLUMINATION84% MOONRISE07:34Z MOONSET20:40Z FULL MOON IN4 days

// Nearest reporting stations · 4 shown · 100 NM (sparse area)

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

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