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// Station · 17m ago

KBDU

Boulder Municipal Airport
CAT VFR
WIND 040° / 6 kt
VIS 10+ SM
CEILING CLR
T/Td 35°C / 5°C
ALTIM 30.16 inHg
ELEV 5,288 FT
40.0391°N / 105.2260°W
LOCATION · Boulder, US
N
WIND
040°6 kt
KBDU · 5,288 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
040°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
35 / 5
 
 
 
ALTIM
30.16"
 
 
 

// Interpretation

VFR with light winds at 040°/6 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 KBDU 142155Z AUTO 04006KT 10SM CLR 35/05 A3016 RMK AO2

KBDU · day 14 at 21:55 UTC · wind from 040° at 6 kt · visibility 10+ SM · temp 35°C / dewpoint 5°C · altimeter 30.16" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 040° @ 6 kt
2 USABLE · 2 AVOID
N
WIND
040°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
08 HDG 080° H5 kt X4 kt LEFT PRIMARY · 4,100'
08G HDG 080° H5 kt X4 kt LEFT 4,100'
TAILWIND ENDS · AVOID 2 ends
26 HDG 260° T5 kt X4 kt RIGHT
26G HDG 260° T5 kt X4 kt RIGHT
Pattern altitude: 6,288 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

8,600FT
+3,312 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
9,300 7,750 6,200
24h AGO18h12h6hNOW
FIELD ELEV5,288 FT OAT+35°C ISA DELTA+30°C PRESSURE ALT5,046 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 DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+86%
-60%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+60%
-39%
Light jetCJ4, Phenom 300, M2
+34%
-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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 22,965 FT KBDU ELEV · 5,288 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL22,965 ft VFR MARGINunlimited

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

11:44ZSUNRISE
19:07ZSOLAR NOON
02:30ZSUNSET
03:02ZCIVIL END
CURRENT22:12Z DAYLIGHT REMAINING4h 17m VFR NIGHT BEGINS03:02Z (4h 49m) DAY LENGTH14h 45m
New Moon
ILLUMINATION0% MOONRISE11:51Z MOONSET02:37Z FULL MOON IN15 days

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

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

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