// Station · 56m ago

CYMA

Mayo Airport

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 7,000 ft

T/Td 4°C / 0°C

ALTIM 29.68 inHg

ELEV 1,653 FT

63.6164°N / 135.8680°W

LOCATION · Mayo, CA

WIND

000°0 kt

CYMA · 1,653 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN070

LAYERS

SCT040 BKN070

T / Td

4 / 0

ALTIM

29.68"

// Interpretation

VFR — ceiling 7,000 ft. Winds calm, visibility better than 10 statute miles, scattered at 4,000 ft, and broken at 7,000 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 CYMA 130100Z 00000KT 20SM SCT040CB BKN070 04/00 A2968 RMK CB3AC2 SLP080

CYMA · day 13 at 01:00 UTC · winds calm · visibility 10+ SM · scattered layer at 4,000 ft · broken layer at 7,000 ft · temp 4°C / dewpoint 0°C · altimeter 29.68" Hg · sea-level pressure 1008.0 mb

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

07 HDG 070° —CALM —— 4,856'

25 HDG 250° —CALM —— 4,856'

Pattern altitude: 2,653 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 -7°C

1,000FT

-653 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,653 FT OAT+4°C ISA DELTA-7°C PRESSURE ALT1,889 FT

// Performance equivalent Operating here right now feels like operating at CYOC (Old Crow Airport, Old Crow, elev 824 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+10%

-7%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+7%

-5%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN070

Broken · base 7,000 ft AGL · ~5–7 oktas

SCT040

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

// Computed

CEILING7,000 ft AGL HIGHEST LAYER7,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL3,673 ft VFR MARGIN+4,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-9)

15:44ZSUNRISE

20:51ZSOLAR NOON

01:57ZSUNSET

02:44ZCIVIL END

CURRENT01:56Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS02:44Z (47m) DAY LENGTH10h 12m

Waxing Crescent

ILLUMINATION3% MOONRISE17:07Z MOONSET03:20Z FULL MOON IN13 days

// Nearest reporting stations

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

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