// Station · 4m ago

PASM

St Mary's Airport

CAT VFR

WIND 280° / 12 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 7.8°C / 7.8°C

ALTIM 29.82 inHg

ELEV 312 FT

62.0605°N / 163.3020°W

LOCATION · St Mary's, US

WIND

280°12 kt

PASM · 312 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

280°/12

VIS

10+ SM

CEILING

—

LAYERS

FEW100

T / Td

8 / 8

ALTIM

29.82"

// Interpretation

VFR with moderate winds at 280°/12 kt. Visibility better than 10 statute miles and a few at 10,000 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 PASM 251656Z AUTO 28012KT 10SM FEW100 08/08 A2982 RMK AO2 SLP104 T00780078

PASM · day 25 at 16:56 UTC · wind from 280° at 12 kt · visibility 10+ SM · a few clouds at 10,000 ft · temp 8°C / dewpoint 8°C · altimeter 29.82" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.4 mb

// Runway analysis · computed from current METAR wind

Wind 280° @ 12 kt

2 USABLE · 2 AVOID · 2 CAUTION

WIND

280°12 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

24★ HDG 240° H9 kt X8 kt RIGHT PRIMARY · 1,520'

35 HDG 350° H4 kt X11 kt LEFT ⚠ HIGH XW · 92%

TAILWIND ENDS · AVOID 2 ends

17 HDG 170° T4 kt X11 kt RIGHT —

06 HDG 060° T9 kt X8 kt LEFT —

Pattern altitude: 1,312 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 -6°C

-400FT

-712 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV312 FT OAT+8°C ISA DELTA-6°C PRESSURE ALT410 FT

// Performance equivalent Operating here right now feels like operating at PAEL (Elfin Cove Seaplane Base, Elfin Cove, elev 0 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

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. 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)

FEW100

Few · base 10,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER10,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL4,251 ft VFR MARGINunlimited

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

15:25ZSUNRISE

22:56ZSOLAR NOON

06:27ZSUNSET

07:19ZCIVIL END

CURRENT17:00Z DAYLIGHT REMAINING13h 26m VFR NIGHT BEGINS07:19Z (14h 18m) DAY LENGTH15h 01m

Waxing Gibbous

ILLUMINATION94% MOONRISE01:29Z MOONSET16:31Z FULL MOON IN2 days

// Nearest reporting stations

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

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