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// Station · 30m ago

KCNM

Cavern City Air Terminal
CAT VFR
WIND 100° / 5 kt
VIS 10+ SM
CEILING CLR
T/Td 25.6°C / 16.7°C
ALTIM 30.19 inHg
ELEV 3,295 FT
32.3375°N / 104.2630°W
LOCATION · Carlsbad, US
N
WIND
100°5 kt
KCNM · 3,295 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
100°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
26 / 17
 
 
 
ALTIM
30.19"
 
 
 

// Interpretation

VFR with light winds at 100°/5 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 KCNM 111353Z AUTO 10005KT 10SM CLR 26/17 A3019 RMK AO2 PRESRR SLP159 T02560167

KCNM · day 11 at 13:53 UTC · wind from 100° at 5 kt · visibility 10+ SM · temp 26°C / dewpoint 17°C · altimeter 30.19" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.9 mb

// Runway analysis · computed from current METAR wind

Wind 100° @ 5 kt
4 USABLE · 4 AVOID
N
WIND
100°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
08 HDG 080° H5 kt X2 kt RIGHT PRIMARY · 5,334'
14L HDG 140° H4 kt X3 kt LEFT 4,616'
14R HDG 140° H4 kt X3 kt LEFT 5,837'
03 HDG 030° H2 kt X5 kt RIGHT 7,854'
TAILWIND ENDS · AVOID 4 ends
21 HDG 210° T2 kt X5 kt LEFT
32R HDG 320° T4 kt X3 kt RIGHT
32L HDG 320° T4 kt X3 kt RIGHT
26 HDG 260° T5 kt X2 kt LEFT
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 +17°C

5,000FT
+1,705 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
7,300 5,850 4,400
24h AGO18h12h6hNOW
FIELD ELEV3,295 FT OAT+26°C ISA DELTA+17°C PRESSURE ALT3,024 FT
// Performance equivalent Operating here right now feels like operating at KCAO (Clayton Municipal Airpark, Clayton, elev 4,965 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+50%
-35%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+35%
-23%
Light jetCJ4, Phenom 300, M2
+20%
-15%

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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 16,224 FT KCNM ELEV · 3,295 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL16,224 ft VFR MARGINunlimited

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

11:59ZSUNRISE
19:03ZSOLAR NOON
02:07ZSUNSET
02:35ZCIVIL END
CURRENT14:23Z DAYLIGHT REMAINING11h 44m VFR NIGHT BEGINS02:35Z (12h 12m) DAY LENGTH14h 07m
Waning Crescent
ILLUMINATION11% MOONRISE09:23Z MOONSET23:31Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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