// Station · 15m ago

KBDU

Boulder Municipal Airport

CAT VFR

WIND 340° / 11 kt G22

VIS 10+ SM

CEILING CLR

T/Td 21°C / 2°C

ALTIM 29.83 inHg

ELEV 5,288 FT

40.0391°N / 105.2260°W

LOCATION · Boulder, US

WIND

340°11 kt

KBDU · 5,288 FT

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

METRIC

NOW · 02Z

+6H

+12H

+18H

WIND

340°/11G22

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

21 / 2

ALTIM

29.83"

// Interpretation

VFR with moderate winds at 340°/11 kt, gusting 22. 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 130215Z AUTO 34011G22KT 10SM CLR 21/02 A2983 RMK AO2

KBDU · day 13 at 02:15 UTC · wind from 340° at 11 kt, gusts to 22 kt · visibility 10+ SM · temp 21°C / dewpoint 2°C · altimeter 29.83" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 340° @ 11 ktG22

2 USABLE · 2 AVOID

WIND

340°11G22 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

26★ HDG 260° H2 kt X11 kt RIGHT PRIMARY · 4,100'

26G HDG 260° H2 kt X11 kt RIGHT 4,100'

TAILWIND ENDS · AVOID 2 ends

08 HDG 080° T2 kt X11 kt LEFT —

08G HDG 080° T2 kt X11 kt LEFT —

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 +17°C

7,400FT

+2,112 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV5,288 FT OAT+21°C ISA DELTA+17°C PRESSURE ALT5,377 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 SIGNIFICANT

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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL15,894 ft VFR MARGINunlimited

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

13:09ZSUNRISE

18:48ZSOLAR NOON

00:27ZSUNSET

00:54ZCIVIL END

CURRENT02:30Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:54Z (past) DAY LENGTH11h 18m

Waxing Crescent

ILLUMINATION3% MOONRISE14:33Z MOONSET01:51Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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