// Station · 12m ago

KBDU

Boulder Municipal Airport

CAT VFR

WIND 190° / 8 kt G16

VIS 10+ SM

CEILING BKN at 8,000 ft

T/Td 19°C / 1°C

ALTIM 29.90 inHg

WX DZ

ELEV 5,288 FT

40.0391°N / 105.2260°W

LOCATION · Boulder, US

WIND

190°8 kt

KBDU · 5,288 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

190°/8G16

VIS

10+ SM

CEILING

BKN080

LAYERS

SCT060 BKN080 OVC100

T / Td

19 / 1

ALTIM

29.90"

// Interpretation

VFR — ceiling 8,000 ft. Moderate winds at 190°/8 kt, gusting 16, visibility better than 10 statute miles, scattered at 6,000 ft, broken at 8,000 ft, and overcast at 10,000 ft. Reported weather: DZ. 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 301915Z AUTO 19008G16KT 10SM DZ SCT060 BKN080 OVC100 19/01 A2990 RMK AO2

KBDU · day 30 at 19:15 UTC · wind from 190° at 8 kt, gusts to 16 kt · visibility 10+ SM · scattered layer at 6,000 ft · broken layer at 8,000 ft · overcast at 10,000 ft · temp 19°C / dewpoint 1°C · altimeter 29.90" Hg · weather: DZ · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 190° @ 8 ktG16

2 USABLE · 2 AVOID

WIND

190°8G16 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

26★ HDG 260° H3 kt X8 kt LEFT PRIMARY · 4,100'

26G HDG 260° H3 kt X8 kt LEFT 4,100'

TAILWIND ENDS · AVOID 2 ends

08 HDG 080° T3 kt X8 kt RIGHT —

08G HDG 080° T3 kt X8 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 +15°C

7,000FT

+1,712 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -800 FT

24h AGO18h12h6hNOW

FIELD ELEV5,288 FT OAT+19°C ISA DELTA+15°C PRESSURE ALT5,306 FT

// Performance equivalent Operating here right now feels like operating at KSBS (Steamboat Springs Bob Adams Field, Steamboat Springs, elev 6,882 ft) on a standard ISA day.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+70%

-49%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+49%

-32%

Light jetCJ4, Phenom 300, M2

+28%

-21%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC100

Overcast · base 10,000 ft AGL · 8 oktas

BKN080

Broken · base 8,000 ft AGL · ~5–7 oktas

SCT060

Scattered · base 6,000 ft AGL · ~3–4 oktas

// Computed

CEILING8,000 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL14,884 ft VFR MARGIN+5,000 ft

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

11:36ZSUNRISE

18:59ZSOLAR NOON

02:23ZSUNSET

02:55ZCIVIL END

CURRENT19:27Z DAYLIGHT REMAINING6h 55m VFR NIGHT BEGINS02:55Z (7h 27m) DAY LENGTH14h 47m

Full Moon

ILLUMINATION99% MOONRISE23:02Z MOONSET13:49Z FULL MOON IN1 day

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

KLMO

VFR

Vance Brand Airport · Longmont

WIND: 230° / 7 kt
VIS: 10+ SM
CEILING: BKN120
DIST: 8 NM N
AGE: 12m ago

KEIK

VFR

Erie Municipal Airport · Erie

WIND: 250° / 15 ktG20
VIS: 10+ SM
CEILING: BKN095
DIST: 8 NM E
AGE: 12m ago

KBJC

VFR

Rocky Mountain Metropolitan Airport · Denver

WIND: 290° / 13 ktG20
VIS: 10+ SM
CEILING: BKN110
DIST: 9 NM SE
AGE: 26m ago

KFNL

VFR

Northern Colorado Regional Airport · Loveland

WIND: VRB / 5 kt
VIS: 10+ SM
CEILING: BKN080
DIST: 27 NM N
AGE: 31m ago

KDEN

VFR

Denver International Airport · Denver

WIND: 030° / 6 kt
VIS: 10+ SM
CEILING: BKN090
DIST: 28 NM SE
AGE: 34m ago

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

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