// Station · 18m ago

NSTU

Pago Pago International Airport

CAT VFR

WIND VRB / 5 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 24.8°C / 19.1°C

ALTIM 29.88 inHg

ELEV 32 FT

14.3310°S / 170.7100°W

LOCATION · Pago Pago, AS

WIND

VRB5 kt

NSTU · 32 FT

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

METRIC

NOW · 12Z

+6H

+12H

+18H

WIND

VRB/5

VIS

10+ SM

CEILING

—

LAYERS

FEW023 SCT040

T / Td

25 / 19

ALTIM

29.88"

// Interpretation

VFR with light winds at variable/5 kt. Visibility better than 10 statute miles and a few at 2,300 ft, and scattered at 4,000 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 NSTU 111250Z VRB05KT 10SM FEW023 SCT040 25/19 A2988 RMK SLP120 T02480191

NSTU · day 11 at 12:50 UTC · wind variable at 5 kt · visibility 10+ SM · a few clouds at 2,300 ft · scattered layer at 4,000 ft · temp 25°C / dewpoint 19°C · altimeter 29.88" Hg · sea-level pressure 1012.0 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 5 kt

ALL USABLE · WINDS CALM

WIND

VRB5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

05 HDG 050° —CALM —— 10,000'

23 HDG 230° —CALM —— 10,000'

08 HDG 080° —CALM —— 3,800'

26 HDG 260° —CALM —— 3,800'

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 +10°C

1,300FT

+1,268 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV32 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT71 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,300 ft high on a standard ISA day — that's +1,268 ft above NSTU's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+13%

-9%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+9%

-6%

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)

SCT040

Scattered · base 4,000 ft AGL · ~3–4 oktas

FEW023

Few · base 2,300 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER4,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL12,557 ft VFR MARGINunlimited

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

17:49ZSUNRISE

23:29ZSOLAR NOON

05:09ZSUNSET

05:32ZCIVIL END

CURRENT13:08Z DAYLIGHT REMAINING16h 01m VFR NIGHT BEGINS05:32Z (16h 24m) DAY LENGTH11h 19m

Waning Crescent

ILLUMINATION11% MOONRISE15:11Z MOONSET02:31Z FULL MOON IN18 days

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

NSFA

VFR

Faleolo International Airport · Apia

WIND: 150° / 8 kt
VIS: 6+ SM
CEILING: BKN120
DIST: 81 NM W
AGE: 1h 8m ago

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

AIRSPACE

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