// Station · 47m ago

KLLJ

Challis Airport

CAT VFR

WIND 350° / 10 kt

VIS 10+ SM

CEILING OVC at 6,500 ft

T/Td 17.2°C / 4.4°C

ALTIM 29.95 inHg

ELEV 5,072 FT

44.5230°N / 114.2180°W

LOCATION · Challis, US

WIND

350°10 kt

KLLJ · 5,072 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

350°/10

VIS

10+ SM

CEILING

OVC065

LAYERS

OVC065

T / Td

17 / 4

ALTIM

29.95"

// Interpretation

VFR — ceiling 6,500 ft. Moderate winds at 350°/10 kt, visibility better than 10 statute miles, overcast at 6,500 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 KLLJ 302055Z AUTO 35010KT 10SM OVC065 17/04 A2995 RMK AO2 SLP097 T01720044 55003

KLLJ · day 30 at 20:55 UTC · wind from 350° at 10 kt · visibility 10+ SM · overcast at 6,500 ft · temp 17°C / dewpoint 4°C · altimeter 29.95" Hg · automated station w/ precipitation discriminator · sea-level pressure 1009.7 mb

// Runway analysis · computed from current METAR wind

Wind 350° @ 10 kt

1 USABLE · 1 AVOID

WIND

350°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

35★ HDG 350° H10 kt X0 kt — PRIMARY · 4,601'

TAILWIND ENDS · AVOID 1 ends

17 HDG 170° T10 kt X0 kt — —

Pattern altitude: 6,072 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

6,500FT

+1,428 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,000 FT

24h AGO18h12h6hNOW

FIELD ELEV5,072 FT OAT+17°C ISA DELTA+12°C PRESSURE ALT5,040 FT

// Performance equivalent Operating here right now feels like operating at KDIJ (Driggs/Reed Memorial Airport, Driggs, elev 6,229 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+65%

-46%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+46%

-29%

Light jetCJ4, Phenom 300, M2

+26%

-20%

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)

OVC065

Overcast · base 6,500 ft AGL · 8 oktas

// Computed

CEILING6,500 ft AGL HIGHEST LAYER6,500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,759 ft VFR MARGIN+3,500 ft

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

11:57ZSUNRISE

19:35ZSOLAR NOON

03:14ZSUNSET

03:49ZCIVIL END

CURRENT21:42Z DAYLIGHT REMAINING5h 31m VFR NIGHT BEGINS03:49Z (6h 06m) DAY LENGTH15h 16m

Full Moon

ILLUMINATION100% MOONRISE23:28Z MOONSET14:45Z FULL MOON IN1 day

// Nearest reporting stations

No nearby reporting stations found within 200 NM of KLLJ.

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

AIRSPACE

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