// Station · 15m ago

KBJC

Rocky Mountain Metropolitan Airport

CAT VFR

WIND 020° / 4 kt

VIS 10+ SM

CEILING BKN at 12,000 ft

T/Td 23°C / 8°C

ALTIM 30.38 inHg

ELEV 5,673 FT

39.9088°N / 105.1170°W

LOCATION · Denver, US

WIND

020°4 kt

KBJC · 5,673 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

020°/4

VIS

10+ SM

CEILING

BKN120

LAYERS

BKN120

T / Td

23 / 8

ALTIM

30.38"

// Interpretation

VFR — ceiling 12,000 ft. Light winds at 020°/4 kt, visibility better than 10 statute miles, broken at 12,000 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 KBJC 251645Z 02004KT 10SM BKN120 23/08 A3038

KBJC · day 25 at 16:45 UTC · wind from 020° at 4 kt · visibility 10+ SM · broken layer at 12,000 ft · temp 23°C / dewpoint 8°C · altimeter 30.38" Hg

// Runway analysis · computed from current METAR wind

Wind 020° @ 4 kt

ALL USABLE · WINDS CALM

WIND

020°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 6 ends

12L HDG 120° —CALM —— 9,000'

30R HDG 300° —CALM —— 9,000'

12R HDG 120° —CALM —— 7,002'

30L HDG 300° —CALM —— 7,002'

03 HDG 030° —CALM —— 3,600'

21 HDG 210° —CALM —— 3,600'

Pattern altitude: 6,673 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 +18°C

7,400FT

+1,727 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,300 FT

24h AGO18h12h6hNOW

FIELD ELEV5,673 FT OAT+23°C ISA DELTA+18°C PRESSURE ALT5,210 FT

// Performance equivalent Operating here right now feels like operating at K20V (McElroy Airfield, Kremmling, elev 7,411 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+74%

-52%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+52%

-33%

Light jetCJ4, Phenom 300, M2

+30%

-22%

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)

BKN120

Broken · base 12,000 ft AGL · ~5–7 oktas

// Computed

CEILING12,000 ft AGL HIGHEST LAYER12,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL17,289 ft VFR MARGIN+9,000 ft

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

12:23ZSUNRISE

19:04ZSOLAR NOON

01:44ZSUNSET

02:13ZCIVIL END

CURRENT17:00Z DAYLIGHT REMAINING8h 44m VFR NIGHT BEGINS02:13Z (9h 12m) DAY LENGTH13h 21m

Waxing Gibbous

ILLUMINATION94% MOONRISE22:27Z MOONSET11:48Z FULL MOON IN2 days

// Nearest reporting stations

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

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