// Station · 9m ago

CYIV

Island Lake Airport

CAT VFR

WIND 260° / 6 kt

VIS 9.0 SM

CEILING OVC at 7,100 ft

T/Td 15°C / 14°C

ALTIM 29.71 inHg

WX -RA

ELEV 770 FT

53.8572°N / 94.6536°W

LOCATION · Island Lake, CA

WIND

260°6 kt

CYIV · 770 FT

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

METRIC

NOW · 08Z

+6H

+12H

+18H

WIND

260°/6

VIS

9.0 SM

CEILING

OVC071

LAYERS

OVC071

T / Td

15 / 14

ALTIM

29.71"

// Interpretation

VFR — ceiling 7,100 ft. Light winds at 260°/6 kt, visibility 9.0 SM, overcast at 7,100 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

METAR CYIV 170800Z AUTO 26006KT 9SM -RA OVC071 15/14 A2971 RMK SLP067 DENSITY ALT 1300FT

CYIV · day 17 at 08:00 UTC · wind from 260° at 6 kt · visibility 9.0 SM · overcast at 7,100 ft · temp 15°C / dewpoint 14°C · altimeter 29.71" Hg · weather: light rain (-RA) · sea-level pressure 1006.7 mb

// Runway analysis · computed from current METAR wind

Wind 260° @ 6 kt

1 USABLE · 1 AVOID

WIND

260°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

30★ HDG 300° H5 kt X4 kt LEFT PRIMARY · 4,000'

TAILWIND ENDS · AVOID 1 ends

12 HDG 120° T5 kt X4 kt RIGHT —

Pattern altitude: 1,770 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 +2°C

1,200FT

+430 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV770 FT OAT+15°C ISA DELTA+2°C PRESSURE ALT977 FT

// Performance equivalent Operating here right now feels like operating at CZWH (Lac Brochet Airport, Lac Brochet, elev 1,211 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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)

OVC071

Overcast · base 7,100 ft AGL · 8 oktas

// Computed

CEILING7,100 ft AGL HIGHEST LAYER7,100 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL8,346 ft VFR MARGIN+4,100 ft

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

11:01ZSUNRISE

18:24ZSOLAR NOON

01:46ZSUNSET

02:26ZCIVIL END

CURRENT08:09Z DAYLIGHT REMAINING17h 37m VFR NIGHT BEGINS02:26Z (18h 16m) DAY LENGTH14h 44m

Waxing Crescent

ILLUMINATION17% MOONRISE14:17Z MOONSET05:02Z FULL MOON IN11 days

// Nearest reporting stations

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

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