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// KLLJ · Challis Airport · Challis

// Station · 27m ago

KLLJ

Challis Airport
CAT VFR
WIND 160° / 8 kt
VIS 10+ SM
CEILING CLR
T/Td 20.6°C / 7.8°C
ALTIM 30.03 inHg
ELEV 5,072 FT
44.5230°N / 114.2180°W
LOCATION · Challis, US
N
WIND
160°8 kt
KLLJ · 5,072 FT
© OSM · CartoDB

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

METRIC
NOW · 02Z
+6H
+12H
+18H
WIND
160°/8
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
21 / 8
 
 
 
ALTIM
30.03"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with moderate winds at 160°/8 kt. Visibility better than 10 statute miles and no reported cloud layers. 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 290255Z AUTO 16008KT 10SM CLR 21/08 A3003 RMK AO2 SLP108 T02060078 53005 $

KLLJ · day 29 at 02:55 UTC · wind from 160° at 8 kt · visibility 10+ SM · temp 21°C / dewpoint 8°C · altimeter 30.03" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.8 mb

// Runway analysis · computed from current METAR wind

Wind 160° @ 8 kt
1 USABLE · 1 AVOID
N
WIND
160°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
17★ HDG 170° H8 kt X1 kt LEFT PRIMARY · 4,601'
TAILWIND ENDS · AVOID 1 ends
35 HDG 350° T8 kt X1 kt RIGHT —
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 +15°C

6,800FT
+1,728 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV5,072 FT OAT+21°C ISA DELTA+15°C PRESSURE ALT4,960 FT
// Performance equivalent Operating here right now feels like operating at KWYS (Yellowstone Airport, West Yellowstone, elev 6,649 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+68%
-48%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+48%
-31%
Light jetCJ4, Phenom 300, M2
+27%
-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. 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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 15,476 FT KLLJ ELEV · 5,072 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL15,476 ft VFR MARGINunlimited

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

12:56ZSUNRISE
19:39ZSOLAR NOON
02:22ZSUNSET
02:53ZCIVIL END
CURRENT03:22Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS02:53Z (past) DAY LENGTH13h 26m
Waning Gibbous
ILLUMINATION99% MOONRISE01:47Z MOONSET15:14Z FULL MOON IN28 days

// Nearest reporting stations

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

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