// Station · 6m ago

KASE

Aspen-Pitkin County Airport (Sardy Field)

CAT VFR

WIND 350° / 5 kt

VIS 10+ SM

CEILING OVC at 9,000 ft

T/Td 12.8°C / 11.7°C

ALTIM 30.45 inHg

WX -RA

ELEV 7,820 FT

39.2232°N / 106.8690°W

LOCATION · Aspen, US

WIND

350°5 kt

KASE · 7,820 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

350°/5

VIS

10+ SM

CEILING

OVC090

LAYERS

FEW046 SCT065 OVC090

T / Td

13 / 12

ALTIM

30.45"

// Interpretation

VFR — ceiling 9,000 ft. Light winds at 350°/5 kt, visibility better than 10 statute miles, a few at 4,600 ft, scattered at 6,500 ft, and overcast at 9,000 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

SPECI KASE 170104Z 35005KT 10SM -RA FEW046 SCT065 OVC090 13/12 A3045 RMK AO2 LTG DSNT N AND NE P0004 T01280117

KASE · day 17 at 01:04 UTC · wind from 350° at 5 kt · visibility 10+ SM · a few clouds at 4,600 ft · scattered layer at 6,500 ft · overcast at 9,000 ft · temp 13°C / dewpoint 12°C · altimeter 30.45" Hg · weather: light rain (-RA) · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 350° @ 5 kt

1 USABLE · 1 AVOID

WIND

350°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

33★ HDG 330° H5 kt X2 kt RIGHT PRIMARY · 8,006'

TAILWIND ENDS · AVOID 1 ends

15 HDG 150° T5 kt X2 kt LEFT —

Pattern altitude: 8,820 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

8,800FT

+980 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV7,820 FT OAT+13°C ISA DELTA+12°C PRESSURE ALT7,289 FT

// Performance equivalent Operating here right now feels like operating at KC24 (Mineral County Memorial Airport, Creede, elev 8,680 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+88%

-62%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+62%

-40%

Light jetCJ4, Phenom 300, M2

+35%

-26%

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

// Reported layers (highest → lowest)

OVC090

Overcast · base 9,000 ft AGL · 8 oktas

SCT065

Scattered · base 6,500 ft AGL · ~3–4 oktas

FEW046

Few · base 4,600 ft AGL · ~1–2 oktas

// Computed

CEILING9,000 ft AGL HIGHEST LAYER9,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL14,285 ft VFR MARGIN+6,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-7)

12:50ZSUNRISE

19:03ZSOLAR NOON

01:16ZSUNSET

01:43ZCIVIL END

CURRENT01:10Z DAYLIGHT REMAINING6m VFR NIGHT BEGINS01:43Z (33m) DAY LENGTH12h 25m

Waxing Crescent

ILLUMINATION28% MOONRISE17:04Z MOONSET05:29Z FULL MOON IN10 days

// Nearest reporting stations

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

AIRSPACE

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