// Station · 3m ago

CYYW

Armstrong Airport

CAT VFR

WIND 090° / 4 kt

VIS 9.0 SM

CEILING BKN at 8,100 ft

T/Td 1°C / 1°C

ALTIM 30.01 inHg

WX -RA

ELEV 1,058 FT

50.2903°N / 88.9097°W

LOCATION · Armstrong, CA

WIND

090°4 kt

CYYW · 1,058 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

090°/4

VIS

9.0 SM

CEILING

BKN081

LAYERS

FEW016 SCT043 BKN081 OVC097

T / Td

1 / 1

ALTIM

30.01"

// Interpretation

VFR — ceiling 8,100 ft. Light winds at 090°/4 kt, visibility 9.0 SM, a few at 1,600 ft, scattered at 4,300 ft, broken at 8,100 ft, and overcast at 9,700 ft. Reported weather: light rain (-RA). 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 CYYW 130151Z AUTO 09004KT 040V130 9SM -RA FEW016 SCT043 BKN081 OVC097 01/01 A3001 RMK SLP178

CYYW · day 13 at 01:51 UTC · wind from 090° at 4 kt · visibility 9.0 SM · a few clouds at 1,600 ft · scattered layer at 4,300 ft · broken layer at 8,100 ft · overcast at 9,700 ft · temp 1°C / dewpoint 1°C · altimeter 30.01" Hg · weather: light rain (-RA) · sea-level pressure 1017.8 mb

// Runway analysis · computed from current METAR wind

Wind 090° @ 4 kt

ALL USABLE · WINDS CALM

WIND

090°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

12 HDG 120° —CALM —— 4,000'

30 HDG 300° —CALM —— 4,000'

18 HDG 180° —CALM —— 2,940'

36 HDG 360° —CALM —— 2,940'

Pattern altitude: 2,058 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 -12°C

-500FT

-1,558 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,058 FT OAT+1°C ISA DELTA-12°C PRESSURE ALT967 FT

// Performance equivalent Your aircraft will perform as if it's at a field -500 ft high on a standard ISA day — that's -1,558 ft above CYYW's actual elevation.

// 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 · 4 reported · highest to lowest

// Reported layers (highest → lowest)

OVC097

Overcast · base 9,700 ft AGL · 8 oktas

BKN081

Broken · base 8,100 ft AGL · ~5–7 oktas

SCT043

Scattered · base 4,300 ft AGL · ~3–4 oktas

FEW016

Few · base 1,600 ft AGL · ~1–2 oktas

// Computed

CEILING8,100 ft AGL HIGHEST LAYER9,700 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL1,563 ft VFR MARGIN+5,100 ft

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

12:14ZSUNRISE

17:43ZSOLAR NOON

23:12ZSUNSET

23:45ZCIVIL END

CURRENT01:54Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:45Z (past) DAY LENGTH10h 58m

Waxing Crescent

ILLUMINATION3% MOONRISE13:36Z MOONSET00:35Z FULL MOON IN13 days

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

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