// Station · 11m ago

PTRO

Roman Tmetuchl International Airport

CAT MVFR

WIND 150° / 5 kt

VIS 5.0 SM

CEILING BKN at 13,000 ft

T/Td 32°C / 27°C

ALTIM 29.91 inHg

WX HZ

ELEV 176 FT

7.3670°N / 134.5441°E

LOCATION · Babelthuap Island, PW

WIND

150°5 kt

PTRO · 176 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

150°/5

VIS

5.0 SM

CEILING

BKN130

LAYERS

SCT017 BKN130 BKN320

T / Td

32 / 27

ALTIM

29.91"

// Interpretation

MVFR — visibility 5.0 SM. Light winds at 150°/5 kt, visibility 5.0 SM, scattered at 1,700 ft, broken at 13,000 ft, and broken at 32,000 ft. Reported weather: haze (HZ). Haze is fine dust, salt, or pollution particles suspended in dry air — it reduces visibility and washes out contrast, a dry particulate obscuration rather than a moisture one. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR PTRO 130150Z 15005KT 5SM HZ SCT017 BKN130 BKN320 32/27 A2991 RMK HZ ALQDS

PTRO · day 13 at 01:50 UTC · wind from 150° at 5 kt · visibility 5.0 SM · scattered layer at 1,700 ft · broken layer at 13,000 ft · broken layer at 32,000 ft · temp 32°C / dewpoint 27°C · altimeter 29.91" Hg · weather: haze (HZ)

// Runway analysis · computed from current METAR wind

Wind 150° @ 5 kt

1 USABLE · 1 AVOID

WIND

150°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

09★ HDG 090° H3 kt X4 kt RIGHT PRIMARY · 7,200'

TAILWIND ENDS · AVOID 1 ends

27 HDG 270° T2 kt X4 kt LEFT —

Pattern altitude: 1,176 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 +17°C

2,300FT

+2,124 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV176 FT OAT+32°C ISA DELTA+17°C PRESSURE ALT182 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,300 ft high on a standard ISA day — that's +2,124 ft above PTRO's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+23%

-16%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+16%

-10%

Light jetCJ4, Phenom 300, M2

+9%

-7%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN320

Broken · base 32,000 ft AGL · ~5–7 oktas

BKN130

Broken · base 13,000 ft AGL · ~5–7 oktas

SCT017

Scattered · base 1,700 ft AGL · ~3–4 oktas

// Computed

CEILING13,000 ft AGL HIGHEST LAYER32,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL16,338 ft VFR MARGIN+10,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+9)

20:49ZSUNRISE

02:49ZSOLAR NOON

08:48ZSUNSET

09:09ZCIVIL END

CURRENT02:01Z DAYLIGHT REMAINING6h 47m VFR NIGHT BEGINS09:09Z (7h 08m) DAY LENGTH11h 58m

Waxing Crescent

ILLUMINATION3% MOONRISE22:12Z MOONSET10:11Z FULL MOON IN13 days

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

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