// Station · 46m ago

VCRI

Mattala Rajapaksa International Airport

CAT VFR

WIND 240° / 12 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 28°C / 25°C

ALTIM 29.83 inHg

ELEV 157 FT

6.2839°N / 81.1242°E

LOCATION · Mattala, LK

WIND

240°12 kt

VCRI · 157 FT

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

METRIC

NOW · 12Z

+6H

+12H

+18H

WIND

240°/12

VIS

6+ SM

CEILING

—

LAYERS

FEW018

T / Td

28 / 25

ALTIM

29.83"

// Interpretation

VFR with moderate winds at 240°/12 kt. Visibility 6+ SM and a few at 1,800 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 VCRI 271210Z 24012KT 9999 FEW018 28/25 Q1010

VCRI · day 27 at 12:10 UTC · wind from 240° at 12 kt · visibility 6+ SM · a few clouds at 1,800 ft · temp 28°C / dewpoint 25°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 240° @ 12 kt

1 USABLE · 1 AVOID

WIND

240°12 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

23★ HDG 230° H12 kt X2 kt RIGHT PRIMARY · 11,483'

TAILWIND ENDS · AVOID 1 ends

05 HDG 050° T12 kt X2 kt LEFT —

Pattern altitude: 1,157 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 +13°C

1,900FT

+1,743 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +0 FT

24h AGO18h12h6hNOW

FIELD ELEV157 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT252 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,900 ft high on a standard ISA day — that's +1,743 ft above VCRI's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+19%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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

// Reported layers (highest → lowest)

FEW018

Few · base 1,800 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER1,800 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL14,298 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+5)

00:20ZSUNRISE

06:34ZSOLAR NOON

12:47ZSUNSET

13:09ZCIVIL END

CURRENT12:56Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS13:09Z (13m) DAY LENGTH12h 26m

Waxing Gibbous

ILLUMINATION83% MOONRISE09:07Z MOONSET21:34Z FULL MOON IN4 days

// Nearest reporting stations · 2 shown · 100 NM (sparse area)

VCCC

VFR

Colombo Ratmalana International Airport · Colombo

WIND: 190° / 4 kt
VIS: 5.6 SM
CEILING: BKN100
DIST: 81 NM NW
AGE: 56m ago

VCBI

VFR

Bandaranaike International Colombo Airport · Colombo

WIND: 230° / 8 kt
VIS: 6+ SM
CEILING: BKN060
DIST: 91 NM NW
AGE: 46m ago

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

AIRSPACE

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