// Station · 19m ago

VTCC

Chiang Mai International Airport

CAT VFR

WIND 160° / 6 kt

VIS 6+ SM

CEILING BKN at 3,500 ft

T/Td 27°C / 25°C

ALTIM 29.74 inHg

WX -TSRA

ELEV 1,036 FT

18.7668°N / 98.9626°E

LOCATION · Chiang Mai, TH

WIND

160°6 kt

VTCC · 1,036 FT

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

METRIC

NOW · 11Z

+6H

+12H

+18H

WIND

160°/6

VIS

6+ SM

CEILING

BKN035

LAYERS

FEW025 BKN035

T / Td

27 / 25

ALTIM

29.74"

// Interpretation

VFR — ceiling 3,500 ft. Light winds at 160°/6 kt, visibility 6+ SM, a few at 2,500 ft, and broken at 3,500 ft. Reported weather: -TSRA. 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…)

// Want this glance-able on 10 airports? METAR Deck →

// Raw observation METAR string + decoded

METAR VTCC 271130Z 16006KT 9999 -TSRA FEW025CB BKN035 27/25 Q1007 TEMPO 4000 TSRA

VTCC · day 27 at 11:30 UTC · wind from 160° at 6 kt · visibility 6+ SM · a few clouds at 2,500 ft · broken layer at 3,500 ft · temp 27°C / dewpoint 25°C · altimeter 29.74" Hg · weather: -TSRA

// Runway analysis · computed from current METAR wind

Wind 160° @ 6 kt

1 USABLE · 1 AVOID

WIND

160°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

18★ HDG 180° H6 kt X2 kt LEFT PRIMARY · 11,155'

TAILWIND ENDS · AVOID 1 ends

36 HDG 360° T6 kt X2 kt RIGHT —

Pattern altitude: 2,036 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 +14°C

2,900FT

+1,864 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV1,036 FT OAT+27°C ISA DELTA+14°C PRESSURE ALT1,219 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,900 ft high on a standard ISA day — that's +1,864 ft above VTCC's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+29%

-20%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+20%

-13%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN035

Broken · base 3,500 ft AGL · ~5–7 oktas

FEW025

Few · base 2,500 ft AGL · ~1–2 oktas

// Computed

CEILING3,500 ft AGL HIGHEST LAYER3,500 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL14,672 ft VFR MARGIN+500 ft

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

22:48ZSUNRISE

05:22ZSOLAR NOON

11:56ZSUNSET

12:20ZCIVIL END

CURRENT11:49Z DAYLIGHT REMAINING7m VFR NIGHT BEGINS12:20Z (31m) DAY LENGTH13h 08m

Waxing Gibbous

ILLUMINATION83% MOONRISE07:33Z MOONSET20:41Z FULL MOON IN4 days

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

VTCL

VFR

Lampang Airport

WIND: 180° / 5 kt
VIS: 6+ SM
CEILING: FEW020
DIST: 43 NM SE
AGE: 49m ago

VTCH

VFR

Mae Hong Son Airport · Mae Hong Son

WIND: 240° / 3 kt
VIS: 6+ SM
CEILING: FEW020
DIST: 65 NM NW
AGE: 49m ago

VTCT

VFR

Mae Fah Luang - Chiang Rai International Airport · Chiang Rai

WIND: 210° / 5 kt
VIS: 6+ SM
CEILING: FEW020
DIST: 88 NM NE
AGE: 49m ago

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

AIRSPACE

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