// Station · 1h 2m ago · STALE

NSTU

Pago Pago International Airport

CAT MVFR

WIND 220° / 9 kt G19

VIS 6.0 SM

CEILING BKN at 1,600 ft

T/Td 24°C / 22.4°C

ALTIM 29.87 inHg

WX SHRA

ELEV 32 FT

14.3310°S / 170.7100°W

LOCATION · Pago Pago, AS

WIND

220°9 kt

NSTU · 32 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

220°/9G19

VIS

6.0 SM

CEILING

BKN016

LAYERS

BKN016 OVC038

T / Td

24 / 22

ALTIM

29.87"

// Interpretation

MVFR — ceiling 1,600 ft. Moderate winds at 220°/9 kt, gusting 19, visibility 6.0 SM, broken at 1,600 ft, and overcast at 3,800 ft. Reported weather: SHRA. 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 NSTU 271050Z 22009G19KT 6SM SHRA BKN016TCU OVC038 24/22 A2987 RMK TCU ALQDS SLP115 T02400224 402830240

NSTU · day 27 at 10:50 UTC · wind from 220° at 9 kt, gusts to 19 kt · visibility 6.0 SM · broken layer at 1,600 ft · overcast at 3,800 ft · temp 24°C / dewpoint 22°C · altimeter 29.87" Hg · weather: SHRA · sea-level pressure 1011.5 mb

// Runway analysis · computed from current METAR wind

Wind 220° @ 9 ktG19

2 USABLE · 2 AVOID

WIND

220°9G19 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

23★ HDG 230° H9 kt X2 kt LEFT PRIMARY · 10,000'

26 HDG 260° H7 kt X6 kt LEFT 3,800'

TAILWIND ENDS · AVOID 2 ends

08 HDG 080° T7 kt X6 kt RIGHT —

05 HDG 050° T9 kt X2 kt RIGHT —

Pattern altitude: 1,032 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 +9°C

1,200FT

+1,168 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -300 FT

24h AGO18h12h6hNOW

FIELD ELEV32 FT OAT+24°C ISA DELTA+9°C PRESSURE ALT79 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,200 ft high on a standard ISA day — that's +1,168 ft above NSTU's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-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.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC038

Overcast · base 3,800 ft AGL · 8 oktas

BKN016

Broken · base 1,600 ft AGL · ~5–7 oktas

// Computed

CEILING1,600 ft AGL HIGHEST LAYER3,800 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,153 ft VFR MARGIN-1,400 ft

// Sun & Moon · times in Z · bar = local day (UTC-11)

17:40ZSUNRISE

23:21ZSOLAR NOON

05:02ZSUNSET

05:25ZCIVIL END

CURRENT11:52Z DAYLIGHT REMAINING17h 09m VFR NIGHT BEGINS05:25Z (17h 32m) DAY LENGTH11h 21m

Waxing Gibbous

ILLUMINATION83% MOONRISE02:25Z MOONSET13:47Z FULL MOON IN4 days

// Nearest reporting stations · 1 shown · 100 NM (sparse area)

NSFA

VFR

Faleolo International Airport · Apia

WIND: 180° / 9 kt
VIS: 6+ SM
CEILING: BKN130
DIST: 81 NM W
AGE: 52m ago

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

AIRSPACE

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