// Station · 23m ago

KCNO

Chino Airport

CAT VFR

WIND 240° / 11 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 35.6°C / 18.9°C

ALTIM 29.84 inHg

ELEV 650 FT

33.9747°N / 117.6370°W

LOCATION · Chino, US

WIND

240°11 kt

KCNO · 650 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

240°/11

VIS

10+ SM

CEILING

—

LAYERS

SCT200

T / Td

36 / 19

ALTIM

29.84"

// Interpretation

VFR with moderate winds at 240°/11 kt. Visibility better than 10 statute miles and scattered at 20,000 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 KCNO 290053Z 24011KT 10SM SCT200 36/19 A2984 RMK AO2 SLP096 T03560189

KCNO · day 29 at 00:53 UTC · wind from 240° at 11 kt · visibility 10+ SM · scattered layer at 20,000 ft · temp 36°C / dewpoint 19°C · altimeter 29.84" Hg · automated station w/ precipitation discriminator · sea-level pressure 1009.6 mb

// Runway analysis · computed from current METAR wind

Wind 240° @ 11 kt

3 USABLE · 3 AVOID

WIND

240°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

26R★ HDG 260° H10 kt X4 kt LEFT PRIMARY · 4,858'

26L HDG 260° H10 kt X4 kt LEFT 7,000'

21 HDG 210° H10 kt X5 kt RIGHT 4,919'

TAILWIND ENDS · AVOID 3 ends

03 HDG 030° T10 kt X6 kt LEFT —

08L HDG 080° T10 kt X4 kt RIGHT —

08R HDG 080° T10 kt X4 kt RIGHT —

Pattern altitude: 1,650 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 +22°C

3,400FT

+2,750 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV650 FT OAT+36°C ISA DELTA+22°C PRESSURE ALT727 FT

// Performance equivalent Operating here right now feels like operating at K2O1 (Gansner Field, Quincy, elev 3,415 ft) on a standard ISA day.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+34%

-24%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+24%

-15%

Light jetCJ4, Phenom 300, M2

+14%

-10%

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)

SCT200

Scattered · base 20,000 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER20,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL18,630 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

13:22ZSUNRISE

19:53ZSOLAR NOON

02:23ZSUNSET

02:49ZCIVIL END

CURRENT01:16Z DAYLIGHT REMAINING1h 07m VFR NIGHT BEGINS02:49Z (1h 33m) DAY LENGTH13h 00m

Waning Gibbous

ILLUMINATION99% MOONRISE02:09Z MOONSET15:10Z FULL MOON IN29 days

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

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