// Station · 19m ago

CYSP

Marathon Airport

CAT VFR

WIND 230° / 2 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 21°C / 11°C

ALTIM 30.08 inHg

ELEV 1,035 FT

48.7553°N / 86.3444°W

LOCATION · Marathon, CA

WIND

230°2 kt

CYSP · 1,035 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

230°/2

VIS

10+ SM

CEILING

—

LAYERS

FEW092 FEW260

T / Td

21 / 11

ALTIM

30.08"

// Interpretation

VFR with light winds at 230°/2 kt. Visibility better than 10 statute miles and a few at 9,200 ft, and a few at 26,000 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 CYSP 111400Z 23002KT 14SM FEW092 FEW260 21/11 A3008 RMK AC1CI1 AC TR CI TR DIST HZ SLP193 DENSITY ALT 1800FT

CYSP · day 11 at 14:00 UTC · wind from 230° at 2 kt · visibility 10+ SM · a few clouds at 9,200 ft · a few clouds at 26,000 ft · temp 21°C / dewpoint 11°C · altimeter 30.08" Hg · sea-level pressure 1019.3 mb

// Runway analysis · computed from current METAR wind

Wind 230° @ 2 kt

ALL USABLE · WINDS CALM

WIND

230°2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

16 HDG 160° —CALM —— 3,933'

34 HDG 340° —CALM —— 3,933'

Pattern altitude: 2,035 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

1,800FT

+765 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -300 FT

24h AGO18h12h6hNOW

FIELD ELEV1,035 FT OAT+21°C ISA DELTA+8°C PRESSURE ALT873 FT

// Performance equivalent Operating here right now feels like operating at CYLD (Chapleau Airport, Chapleau, elev 1,470 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

FEW260

Few · base 26,000 ft AGL · ~1–2 oktas

FEW092

Few · base 9,200 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER26,000 ft TOTAL COVERAGE~23% (sparse) FREEZING LEVEL11,641 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

09:55ZSUNRISE

17:51ZSOLAR NOON

01:48ZSUNSET

02:29ZCIVIL END

CURRENT14:19Z DAYLIGHT REMAINING11h 28m VFR NIGHT BEGINS02:29Z (12h 09m) DAY LENGTH15h 53m

Waning Crescent

ILLUMINATION11% MOONRISE07:19Z MOONSET23:12Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 100 NM (sparse area)

CYXZ

VFR

Wawa Airport · Wawa

WIND: 210° / 5 kt
VIS: 10+ SM
CEILING: FEW093
DIST: 78 NM SE
AGE: 19m ago

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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