// Station · 53m ago

VCRI

Mattala Rajapaksa International Airport

CAT VFR

WIND 330° / 4 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 25°C / 24°C

ALTIM 29.85 inHg

ELEV 157 FT

6.2839°N / 81.1242°E

LOCATION · Mattala, LK

WIND

330°4 kt

VCRI · 157 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

330°/4

VIS

6+ SM

CEILING

—

LAYERS

FEW018 FEW020

T / Td

25 / 24

ALTIM

29.85"

// Interpretation

VFR with light winds at 330°/4 kt. Visibility 6+ SM and a few at 1,800 ft, and a few at 2,000 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 130010Z 33004KT 9999 FEW018 FEW020CB 25/24 Q1011 RMK CB E

VCRI · day 13 at 00:10 UTC · wind from 330° at 4 kt · visibility 6+ SM · a few clouds at 1,800 ft · a few clouds at 2,000 ft · temp 25°C / dewpoint 24°C · altimeter 29.85" Hg

// Runway analysis · computed from current METAR wind

Wind 330° @ 4 kt

ALL USABLE · WINDS CALM

WIND

330°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

05 HDG 050° —CALM —— 11,483'

23 HDG 230° —CALM —— 11,483'

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 +10°C

1,500FT

+1,343 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV157 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT222 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,500 ft high on a standard ISA day — that's +1,343 ft above VCRI's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-5%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

FEW018

Few · base 1,800 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,000 ft TOTAL COVERAGE~23% (sparse) FREEZING LEVEL12,783 ft VFR MARGINunlimited

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

00:22ZSUNRISE

06:23ZSOLAR NOON

12:23ZSUNSET

12:43ZCIVIL END

CURRENT01:03Z DAYLIGHT REMAINING11h 19m VFR NIGHT BEGINS12:43Z (11h 40m) DAY LENGTH12h 00m

Waxing Crescent

ILLUMINATION3% MOONRISE01:43Z MOONSET13:43Z FULL MOON IN13 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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