// Station · 7m ago

PASM

St Mary's Airport

CAT MVFR

WIND 160° / 10 kt

VIS 8.0 SM

CEILING BKN at 1,800 ft

T/Td 5°C / 4.4°C

ALTIM 29.47 inHg

ELEV 312 FT

62.0605°N / 163.3020°W

LOCATION · St Mary's, US

WIND

160°10 kt

PASM · 312 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

160°/10

VIS

8.0 SM

CEILING

BKN018

LAYERS

FEW008 BKN018 OVC025

T / Td

5 / 4

ALTIM

29.47"

// Interpretation

MVFR — ceiling 1,800 ft. Moderate winds at 160°/10 kt, visibility 8.0 SM, a few at 800 ft, broken at 1,800 ft, and overcast at 2,500 ft. 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 PASM 130056Z AUTO 16010KT 8SM FEW008 BKN018 OVC025 05/04 A2947 RMK AO2 RAE37 SLP990 P0000 T00500044

PASM · day 13 at 00:56 UTC · wind from 160° at 10 kt · visibility 8.0 SM · a few clouds at 800 ft · broken layer at 1,800 ft · overcast at 2,500 ft · temp 5°C / dewpoint 4°C · altimeter 29.47" Hg · automated station w/ precipitation discriminator · sea-level pressure 999.0 mb

// Runway analysis · computed from current METAR wind

Wind 160° @ 10 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

160°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

17★ HDG 170° H10 kt X2 kt LEFT PRIMARY · 6,008'

24 HDG 240° H2 kt X10 kt LEFT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 2 ends

06 HDG 060° T2 kt X10 kt RIGHT —

35 HDG 350° T10 kt X2 kt RIGHT —

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 -8°C

-300FT

-612 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV312 FT OAT+5°C ISA DELTA-8°C PRESSURE ALT758 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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC025

Overcast · base 2,500 ft AGL · 8 oktas

BKN018

Broken · base 1,800 ft AGL · ~5–7 oktas

FEW008

Few · base 800 ft AGL · ~1–2 oktas

// Computed

CEILING1,800 ft AGL HIGHEST LAYER2,500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL2,837 ft VFR MARGIN-1,200 ft

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

17:30ZSUNRISE

22:40ZSOLAR NOON

03:50ZSUNSET

04:35ZCIVIL END

CURRENT01:03Z DAYLIGHT REMAINING2h 46m VFR NIGHT BEGINS04:35Z (3h 31m) DAY LENGTH10h 19m

Waxing Crescent

ILLUMINATION3% MOONRISE18:51Z MOONSET05:11Z FULL MOON IN13 days

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

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