// Station · 31m ago

KCNM

Cavern City Air Terminal

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 10,000 ft

T/Td 38.9°C / 7.8°C

ALTIM 30.09 inHg

ELEV 3,295 FT

32.3375°N / 104.2630°W

LOCATION · Carlsbad, US

WIND

—calm

KCNM · 3,295 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN100

LAYERS

BKN100 BKN120

T / Td

39 / 8

ALTIM

30.09"

// Interpretation

VFR — ceiling 10,000 ft. Winds calm, visibility better than 10 statute miles, broken at 10,000 ft, and 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 KCNM 251953Z AUTO 10SM BKN100 BKN120 39/08 A3009 RMK AO2 SLP120 T03890078 $

KCNM · day 25 at 19:53 UTC · winds calm · visibility 10+ SM · broken layer at 10,000 ft · broken layer at 12,000 ft · temp 39°C / dewpoint 8°C · altimeter 30.09" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.0 mb

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

CALMcalm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 8 ends

03 HDG 030° —CALM —— 7,854'

21 HDG 210° —CALM —— 7,854'

14R HDG 140° —CALM —— 5,837'

32L HDG 320° —CALM —— 5,837'

08 HDG 080° —CALM —— 5,334'

26 HDG 260° —CALM —— 5,334'

14L HDG 140° —CALM —— 4,616'

32R HDG 320° —CALM —— 4,616'

Pattern altitude: 4,295 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 +30°C

6,700FT

+3,405 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV3,295 FT OAT+39°C ISA DELTA+30°C PRESSURE ALT3,124 FT

// Performance equivalent Operating here right now feels like operating at KSRR (Sierra Blanca Regional Airport, Alto, elev 6,814 ft) on a standard ISA day.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+67%

-47%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+47%

-30%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN120

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

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

// Computed

CEILING10,000 ft AGL HIGHEST LAYER12,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL22,941 ft VFR MARGIN+7,000 ft

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

12:29ZSUNRISE

19:00ZSOLAR NOON

01:32ZSUNSET

01:57ZCIVIL END

CURRENT20:24Z DAYLIGHT REMAINING5h 08m VFR NIGHT BEGINS01:57Z (5h 33m) DAY LENGTH13h 03m

Waxing Gibbous

ILLUMINATION94% MOONRISE22:39Z MOONSET11:43Z FULL MOON IN2 days

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

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