// Station · 8m ago

CYYW

Armstrong Airport

CAT MVFR

WIND VRB / 3 kt

VIS 9.0 SM

CEILING OVC at 1,400 ft

T/Td 0°C / -1°C

ALTIM 29.91 inHg

ELEV 1,058 FT

50.2903°N / 88.9097°W

LOCATION · Armstrong, CA

WIND

VRB3 kt

CYYW · 1,058 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

VRB/3

VIS

9.0 SM

CEILING

OVC014

LAYERS

OVC014

T / Td

0 / -1

ALTIM

29.91"

// Interpretation

MVFR — ceiling 1,400 ft. Light winds at variable/3 kt, visibility 9.0 SM, overcast at 1,400 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR CYYW 131000Z AUTO VRB03KT 9SM OVC014 00/M01 A2991 RMK SLP147

CYYW · day 13 at 10:00 UTC · wind variable at 3 kt · visibility 9.0 SM · overcast at 1,400 ft · temp 0°C / dewpoint -1°C · altimeter 29.91" Hg · sea-level pressure 1014.7 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 3 kt

ALL USABLE · WINDS CALM

WIND

VRB3 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 -13°C

-500FT

-1,558 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,058 FT OAT+0°C ISA DELTA-13°C PRESSURE ALT1,064 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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

OVC014

Overcast · base 1,400 ft AGL · 8 oktas

// Computed

CEILING1,400 ft AGL HIGHEST LAYER1,400 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL1,058 ft VFR MARGIN-1,600 ft

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

12:15ZSUNRISE

17:43ZSOLAR NOON

23:10ZSUNSET

23:43ZCIVIL END

CURRENT10:08Z DAYLIGHT REMAINING13h 02m VFR NIGHT BEGINS23:43Z (13h 34m) DAY LENGTH10h 54m

Waxing Crescent

ILLUMINATION5% MOONRISE13:55Z MOONSET00:49Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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