// Station · 1h 2m ago · STALE

CYMA

Mayo Airport

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 3,500 ft

T/Td 18°C / 15°C

ALTIM 29.56 inHg

WX -TSRA

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 · 04Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN035

LAYERS

BKN035 BKN070 BKN100

T / Td

18 / 15

ALTIM

29.56"

// Interpretation

VFR — ceiling 3,500 ft. Winds calm, visibility better than 10 statute miles, broken at 3,500 ft, broken at 7,000 ft, and broken at 10,000 ft. Reported weather: thunderstorm with light rain (-TSRA). 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

SPECI CYMA 180408Z CCB 00000KT 15SM -TSRA BKN035CB BKN070 BKN100 18/15 A2956 RMK CB5AC1AC1 FU SLP023 DENSITY ALT 2800FT

CYMA · day 18 at 04:08 UTC · winds calm · visibility 10+ SM · broken layer at 3,500 ft · broken layer at 7,000 ft · broken layer at 10,000 ft · temp 18°C / dewpoint 15°C · altimeter 29.56" Hg · weather: thunderstorm with light rain (-TSRA) · sea-level pressure 1002.3 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

2,800FT

+1,147 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,653 FT OAT+18°C ISA DELTA+7°C PRESSURE ALT2,011 FT

// Performance equivalent Operating here right now feels like operating at CYDB (Burwash Airport, Burwash Landing, elev 2,647 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+28%

-20%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+20%

-13%

Light jetCJ4, Phenom 300, M2

+11%

-8%

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)

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

BKN070

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

BKN035

Broken · base 3,500 ft AGL · ~5–7 oktas

// Computed

CEILING3,500 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL10,744 ft VFR MARGIN+500 ft

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

13:05ZSUNRISE

21:08ZSOLAR NOON

05:12ZSUNSET

06:13ZCIVIL END

CURRENT05:10Z DAYLIGHT REMAINING2m VFR NIGHT BEGINS06:13Z (1h 03m) DAY LENGTH16h 06m

Waxing Crescent

ILLUMINATION25% MOONRISE17:04Z MOONSET09:10Z FULL MOON IN10 days

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

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