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// Station · 22m ago

KDLN

Dillon Airport
CAT VFR
WIND 050° / 7 kt
VIS 10+ SM
CEILING BKN at 10,000 ft
T/Td 15°C / 10.6°C
ALTIM 30.05 inHg
WX -RA
ELEV 5,241 FT
45.2554°N / 112.5530°W
LOCATION · Dillon, US
N
WIND
050°7 kt
KDLN · 5,241 FT
© OSM · CartoDB

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

METRIC
NOW · 04Z
+6H
+12H
+18H
WIND
050°/7
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN100
 
 
 
LAYERS
FEW043 BKN100 OVC120
 
 
 
T / Td
15 / 11
 
 
 
ALTIM
30.05"
 
 
 

// Interpretation

VFR — ceiling 10,000 ft. Light winds at 050°/7 kt, visibility better than 10 statute miles, a few at 4,300 ft, broken at 10,000 ft, and overcast at 12,000 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 KDLN 290453Z AUTO 05007KT 10SM -RA FEW043 BKN100 OVC120 15/11 A3005 RMK AO2 LTG DSNT N RAB45 SLP134 P0000 T01500106

KDLN · day 29 at 04:53 UTC · wind from 050° at 7 kt · visibility 10+ SM · a few clouds at 4,300 ft · broken layer at 10,000 ft · overcast at 12,000 ft · temp 15°C / dewpoint 11°C · altimeter 30.05" Hg · weather: light rain (-RA) · automated station w/ precipitation discriminator · sea-level pressure 1013.4 mb

// Runway analysis · computed from current METAR wind

Wind 050° @ 7 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
050°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
04 HDG 040° H7 kt X1 kt RIGHT PRIMARY · 3,600'
35 HDG 350° H4 kt X6 kt RIGHT ⚠ HIGH XW · 86%
TAILWIND ENDS · AVOID 2 ends
17 HDG 170° T3 kt X6 kt LEFT
22 HDG 220° T7 kt X1 kt LEFT
Pattern altitude: 6,241 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 +10°C

6,300FT
+1,059 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV5,241 FT OAT+15°C ISA DELTA+10°C PRESSURE ALT5,108 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
+63%
-44%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+44%
-28%
Light jetCJ4, Phenom 300, M2
+25%
-19%

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 · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,817 FT FEW043 BKN100 · CEILING OVC120 KDLN ELEV · 5,241 FT
// Reported layers (highest → lowest)
OVC120
Overcast · base 12,000 ft AGL · 8 oktas
BKN100
Broken · base 10,000 ft AGL · ~5–7 oktas
FEW043
Few · base 4,300 ft AGL · ~1–2 oktas
// Computed
CEILING10,000 ft AGL HIGHEST LAYER12,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,817 ft VFR MARGIN+7,000 ft

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

12:48ZSUNRISE
19:32ZSOLAR NOON
02:17ZSUNSET
02:48ZCIVIL END
CURRENT05:15Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS02:48Z (past) DAY LENGTH13h 28m
Waning Gibbous
ILLUMINATION99% MOONRISE01:43Z MOONSET15:12Z FULL MOON IN28 days

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