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// Station · 10m ago

KBJC

Rocky Mountain Metropolitan Airport
CAT VFR
WIND 040° / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 23°C / 8°C
ALTIM 30.24 inHg
ELEV 5,673 FT
39.9088°N / 105.1170°W
LOCATION · Denver, US
N
WIND
040°4 kt
KBJC · 5,673 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
040°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
23 / 8
 
 
 
ALTIM
30.24"
 
 
 

// Interpretation

VFR with light winds at 040°/4 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 KBJC 111449Z 04004KT 10SM CLR 23/08 A3024

KBJC · day 11 at 14:49 UTC · wind from 040° at 4 kt · visibility 10+ SM · temp 23°C / dewpoint 8°C · altimeter 30.24" Hg

// Runway analysis · computed from current METAR wind

Wind 040° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
040°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 +19°C

7,600FT
+1,927 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
9,200 7,750 6,300
24h AGO18h12h6hNOW
FIELD ELEV5,673 FT OAT+23°C ISA DELTA+19°C PRESSURE ALT5,351 FT
// Performance equivalent Operating here right now feels like operating at KMVI (Monte Vista Municipal Airport, Monte Vista, elev 7,611 ft) on a standard ISA day.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+76%
-53%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+53%
-34%
Light jetCJ4, Phenom 300, M2
+30%
-23%

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 · 17,289 FT KBJC ELEV · 5,673 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL17,289 ft VFR MARGINunlimited

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

11:42ZSUNRISE
19:07ZSOLAR NOON
02:31ZSUNSET
03:03ZCIVIL END
CURRENT14:59Z DAYLIGHT REMAINING11h 32m VFR NIGHT BEGINS03:03Z (12h 04m) DAY LENGTH14h 48m
Waning Crescent
ILLUMINATION11% MOONRISE09:08Z MOONSET23:56Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

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