// Station · 1h 5m ago · STALE

VTSR

Ranong Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING Few/scattered only

T/Td 26°C / 25°C

ALTIM 29.88 inHg

ELEV 57 FT

9.7776°N / 98.5855°E

LOCATION · Ranong, TH

WIND

000°0 kt

VTSR · 57 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

—

LAYERS

FEW020

T / Td

26 / 25

ALTIM

29.88"

// Interpretation

VFR with winds calm. Visibility 6+ SM 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 VTSR 130000Z 00000KT 9999 FEW020 26/25 Q1012 NOSIG

VTSR · day 13 at 00:00 UTC · winds calm · visibility 6+ SM · a few clouds at 2,000 ft · temp 26°C / dewpoint 25°C · altimeter 29.88" Hg

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

02 HDG 020° —CALM —— 6,562'

20 HDG 200° —CALM —— 6,562'

Pattern altitude: 1,057 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 +11°C

1,400FT

+1,343 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV57 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT93 FT

// Performance equivalent Operating here right now feels like operating at VTCT (Mae Fah Luang - Chiang Rai International Airport, Chiang Rai, elev 1,280 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+14%

-10%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+10%

-6%

Light jetCJ4, Phenom 300, M2

+6%

-4%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL13,188 ft VFR MARGINunlimited

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

23:15ZSUNRISE

05:13ZSOLAR NOON

11:11ZSUNSET

11:32ZCIVIL END

CURRENT01:05Z DAYLIGHT REMAINING10h 05m VFR NIGHT BEGINS11:32Z (10h 26m) DAY LENGTH11h 56m

Waxing Crescent

ILLUMINATION3% MOONRISE00:36Z MOONSET12:32Z 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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