// Station · 55m ago

PADU

Tom Madsen (Dutch Harbor) Airport

CAT MVFR

WIND 280° / 15 kt

VIS 7.0 SM

CEILING OVC at 1,900 ft

T/Td 3.9°C / 1.7°C

ALTIM 29.76 inHg

WX -RA

ELEV 22 FT

53.8988°N / 166.5450°W

LOCATION · Unalaska, US

WIND

280°15 kt

PADU · 22 FT

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

METRIC

NOW · 08Z

+6H

+12H

+18H

WIND

280°/15

VIS

7.0 SM

CEILING

OVC019

LAYERS

OVC019

T / Td

4 / 2

ALTIM

29.76"

// Interpretation

MVFR — ceiling 1,900 ft. Brisk winds at 280°/15 kt, visibility 7.0 SM, overcast at 1,900 ft. Reported weather: -RA. 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 PADU 270856Z AUTO 28015KT 7SM -RA OVC019 04/02 A2976 RMK AO2 SLP078 P0000 60000 T00390017 53012

PADU · day 27 at 08:56 UTC · wind from 280° at 15 kt · visibility 7.0 SM · overcast at 1,900 ft · temp 4°C / dewpoint 2°C · altimeter 29.76" Hg · weather: -RA · automated station w/ precipitation discriminator · sea-level pressure 1007.8 mb

// Runway analysis · computed from current METAR wind

Wind 280° @ 15 kt

1 USABLE · 1 AVOID

WIND

280°15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

31★ HDG 310° H13 kt X7 kt LEFT PRIMARY · 4,500'

TAILWIND ENDS · AVOID 1 ends

13 HDG 130° T13 kt X7 kt RIGHT —

Pattern altitude: 1,022 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

-1,100FT

-1,122 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -900 FT

24h AGO18h12h6hNOW

FIELD ELEV22 FT OAT+4°C ISA DELTA-11°C PRESSURE ALT179 FT

// Performance equivalent Your aircraft will perform as if it's at a field -1,100 ft high on a standard ISA day — that's -1,122 ft above PADU's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

OVC019

Overcast · base 1,900 ft AGL · 8 oktas

// Computed

CEILING1,900 ft AGL HIGHEST LAYER1,900 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL1,992 ft VFR MARGIN-1,100 ft

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

14:49ZSUNRISE

23:04ZSOLAR NOON

07:20ZSUNSET

08:09ZCIVIL END

CURRENT09:51Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS08:09Z (past) DAY LENGTH16h 31m

Waxing Gibbous

ILLUMINATION82% MOONRISE23:29Z MOONSET16:01Z FULL MOON IN4 days

// Nearest reporting stations · 3 shown · 200 NM (very sparse)

PACD

MVFR → IFR 15Z

Cold Bay Airport · Cold Bay

WIND: 240° / 14 kt
VIS: 10+ SM
CEILING: BKN014
DIST: 154 NM NE
AGE: 13m ago

PAVC

MVFR

King Cove Airport · King Cove

WIND: 260° / 12 kt
VIS: 10+ SM
CEILING: BKN030
DIST: 166 NM NE
AGE: 13m ago

PAPB

IFR

St George Airport · St George

WIND: 340° / 21 ktG30
VIS: 9.0 SM
CEILING: OVC009
DIST: 193 NM NW
AGE: 44m ago

// Area map · 200 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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