// Station · 13m ago

CYIV

Island Lake Airport

CAT IFR

WIND 070° / 5 kt

VIS 9.0 SM

CEILING BKN at 600 ft

T/Td 5°C / 4°C

ALTIM 30.28 inHg

ELEV 770 FT

53.8572°N / 94.6536°W

LOCATION · Island Lake, CA

WIND

070°5 kt

CYIV · 770 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

070°/5

VIS

9.0 SM

CEILING

BKN006

LAYERS

BKN006

T / Td

5 / 4

ALTIM

30.28"

// Interpretation

IFR conditions — ceiling 600 ft. Light winds at 070°/5 kt, visibility 9.0 SM, broken at 600 ft. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

SPECI CYIV 271040Z AUTO 07005KT 9SM BKN006 05/04 A3028 RMK SLP264

CYIV · day 27 at 10:40 UTC · wind from 070° at 5 kt · visibility 9.0 SM · broken layer at 600 ft · temp 5°C / dewpoint 4°C · altimeter 30.28" Hg · sea-level pressure 1026.4 mb

// Runway analysis · computed from current METAR wind

Wind 070° @ 5 kt

1 USABLE · 1 AVOID

WIND

070°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

12★ HDG 120° H3 kt X4 kt LEFT PRIMARY · 4,000'

TAILWIND ENDS · AVOID 1 ends

30 HDG 300° T3 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 -9°C

-700FT

-1,470 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -400 FT

24h AGO18h12h6hNOW

FIELD ELEV770 FT OAT+5°C ISA DELTA-9°C PRESSURE ALT407 FT

// Performance equivalent Your aircraft will perform as if it's at a field -700 ft high on a standard ISA day — that's -1,470 ft above CYIV's actual elevation.

// Aircraft performance impact MINOR

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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN006

Broken · base 600 ft AGL · ~5–7 oktas

// Computed

CEILING600 ft AGL HIGHEST LAYER600 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL3,295 ft VFR MARGIN-2,400 ft

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

10:00ZSUNRISE

18:17ZSOLAR NOON

02:33ZSUNSET

03:22ZCIVIL END

CURRENT10:53Z DAYLIGHT REMAINING15h 39m VFR NIGHT BEGINS03:22Z (16h 29m) DAY LENGTH16h 32m

Waxing Gibbous

ILLUMINATION83% MOONRISE18:43Z MOONSET11:16Z FULL MOON IN4 days

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

CZSJ

IFR → VFR 13Z

Sandy Lake Airport · Sandy Lake

WIND: 060° / 6 kt
VIS: 9.0 SM
CEILING: OVC006
DIST: 67 NM SE
AGE: 53m ago

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

AIRSPACE

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