// Station · 13m ago

KLMO

Vance Brand Airport

CAT VFR

WIND 100° / 21 kt G31

VIS 7.0 SM

CEILING BKN at 7,000 ft

T/Td 17.5°C / 2.3°C

ALTIM 29.91 inHg

WX -RA

ELEV 5,055 FT

40.1637°N / 105.1630°W

LOCATION · Longmont, US

WIND

100°21 kt

KLMO · 5,055 FT

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

METRIC

NOW · 21Z

+6H

+12H

+18H

WIND

100°/21G31

VIS

7.0 SM

CEILING

BKN070

LAYERS

SCT050 BKN070 OVC090

T / Td

18 / 2

ALTIM

29.91"

// Interpretation

VFR — ceiling 7,000 ft. Strong winds at 100°/21 kt, gusting 31, visibility 7.0 SM, scattered at 5,000 ft, broken at 7,000 ft, and overcast at 9,000 ft. Reported weather: -RA. 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 KLMO 302135Z AUTO 10021G31KT 7SM -RA SCT050 BKN070 OVC090 18/02 A2991 RMK AO2 P0001 T01750023

KLMO · day 30 at 21:35 UTC · wind from 100° at 21 kt, gusts to 31 kt · visibility 7.0 SM · scattered layer at 5,000 ft · broken layer at 7,000 ft · overcast at 9,000 ft · temp 18°C / dewpoint 2°C · altimeter 29.91" Hg · weather: -RA · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 100° @ 21 ktG31

1 USABLE · 1 AVOID

WIND

100°21G31 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

11★ HDG 110° H21 kt X4 kt LEFT PRIMARY · 4,799'

TAILWIND ENDS · AVOID 1 ends

29 HDG 290° T21 kt X4 kt RIGHT —

Pattern altitude: 6,055 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 +13°C

6,600FT

+1,545 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -800 FT

24h AGO18h12h6hNOW

FIELD ELEV5,055 FT OAT+18°C ISA DELTA+13°C PRESSURE ALT5,061 FT

// Performance equivalent Operating here right now feels like operating at KHDN (Yampa Valley Airport, Hayden, elev 6,606 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+66%

-46%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+46%

-30%

Light jetCJ4, Phenom 300, M2

+26%

-20%

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)

OVC090

Overcast · base 9,000 ft AGL · 8 oktas

BKN070

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

SCT050

Scattered · base 5,000 ft AGL · ~3–4 oktas

// Computed

CEILING7,000 ft AGL HIGHEST LAYER9,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,893 ft VFR MARGIN+4,000 ft

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

11:35ZSUNRISE

18:59ZSOLAR NOON

02:23ZSUNSET

02:55ZCIVIL END

CURRENT21:48Z DAYLIGHT REMAINING4h 35m VFR NIGHT BEGINS02:55Z (5h 07m) DAY LENGTH14h 47m

Full Moon

ILLUMINATION100% MOONRISE23:07Z MOONSET13:54Z FULL MOON IN1 day

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

KBDU

VFR

Boulder Municipal Airport · Boulder

WIND: 300° / 9 kt
VIS: 10+ SM
CEILING: SCT090
DIST: 8 NM S
AGE: 13m ago

KEIK

VFR

Erie Municipal Airport · Erie

WIND: 310° / 11 ktG24
VIS: 10+ SM
CEILING: FEW250
DIST: 11 NM SE
AGE: 13m ago

KBJC

VFR

Rocky Mountain Metropolitan Airport · Denver

WIND: 320° / 14 kt
VIS: 10+ SM
CEILING: BKN120
DIST: 15 NM S
AGE: 35m ago

KFNL

VFR

Northern Colorado Regional Airport · Loveland

WIND: 220° / 10 ktG22
VIS: 10+ SM
CEILING: BKN110
DIST: 19 NM N
AGE: 2m ago

KDEN

VFR

Denver International Airport · Denver

WIND: 300° / 17 ktG26
VIS: 10+ SM
CEILING: BKN095
DIST: 29 NM SE
AGE: 6m ago

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

AIRSPACE

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