// Station · 53m ago

CYMH

Mary's Harbour Airport

CAT IFR

WIND 100° / 5 kt

VIS 9.0 SM

CEILING OVC at 600 ft

T/Td 2°C / 1°C

ALTIM 30.17 inHg

ELEV 38 FT

52.3028°N / 55.8474°W

LOCATION · Mary's Harbour, CA

WIND

100°5 kt

CYMH · 38 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

100°/5

VIS

9.0 SM

CEILING

OVC006

LAYERS

OVC006

T / Td

2 / 1

ALTIM

30.17"

// Interpretation

IFR conditions — ceiling 600 ft. Light winds at 100°/5 kt, visibility 9.0 SM, overcast at 600 ft. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR CYMH 271000Z AUTO 10005KT 080V150 9SM OVC006 02/01 A3017 RMK SLP219

CYMH · day 27 at 10:00 UTC · wind from 100° at 5 kt · visibility 9.0 SM · overcast at 600 ft · temp 2°C / dewpoint 1°C · altimeter 30.17" Hg · sea-level pressure 1021.9 mb

// Runway analysis · computed from current METAR wind

Wind 100° @ 5 kt

1 USABLE · 1 AVOID

WIND

100°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

11★ HDG 110° H5 kt X1 kt LEFT PRIMARY · 2,500'

TAILWIND ENDS · AVOID 1 ends

29 HDG 290° T5 kt X1 kt RIGHT —

Pattern altitude: 1,038 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 -13°C

-1,800FT

-1,838 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV38 FT OAT+2°C ISA DELTA-13°C PRESSURE ALT-216 FT

// Performance equivalent Your aircraft will perform as if it's at a field -1,800 ft high on a standard ISA day — that's -1,838 ft above CYMH'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)

OVC006

Overcast · base 600 ft AGL · 8 oktas

// Computed

CEILING600 ft AGL HIGHEST LAYER600 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL1,048 ft VFR MARGIN-2,400 ft

// Sun & Moon · times in Z · bar = local day (UTC-4)

07:34ZSUNRISE

15:42ZSOLAR NOON

23:50ZSUNSET

00:35ZCIVIL END

CURRENT10:53Z DAYLIGHT REMAINING12h 56m VFR NIGHT BEGINS00:35Z (13h 42m) DAY LENGTH16h 16m

Waxing Gibbous

ILLUMINATION83% MOONRISE16:16Z MOONSET08:32Z FULL MOON IN4 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of CYMH.

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

AIRSPACE

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