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// Station · 21m ago

KLMO

Vance Brand Airport
CAT VFR
WIND 100° / 11 kt G20
VIS 10+ SM
CEILING CLR
T/Td 30.9°C / 5.9°C
ALTIM 30.14 inHg
ELEV 5,055 FT
40.1637°N / 105.1630°W
LOCATION · Longmont, US
N
WIND
100°11 kt
KLMO · 5,055 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
100°/11G20
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
31 / 6
 
 
 
ALTIM
30.14"
 
 
 

// Interpretation

VFR with moderate winds at 100°/11 kt, gusting 20. 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 KLMO 150155Z AUTO 10011G20KT 10SM CLR 31/06 A3014 RMK AO2 T03090059

KLMO · day 15 at 01:55 UTC · wind from 100° at 11 kt, gusts to 20 kt · visibility 10+ SM · temp 31°C / dewpoint 6°C · altimeter 30.14" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 100° @ 11 ktG20
1 USABLE · 1 AVOID
N
WIND
100°11G20 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
11 HDG 110° H11 kt X2 kt LEFT PRIMARY · 4,799'
TAILWIND ENDS · AVOID 1 ends
29 HDG 290° T11 kt X2 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 +25°C

7,900FT
+2,845 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +100 FT
8,600 7,300 6,000
24h AGO18h12h6hNOW
FIELD ELEV5,055 FT OAT+31°C ISA DELTA+25°C PRESSURE ALT4,834 FT
// Performance equivalent Operating here right now feels like operating at KAEJ (Central Colorado Regional Airport, Buena Vista, elev 7,946 ft) on a standard ISA day.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+79%
-55%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+55%
-36%
Light jetCJ4, Phenom 300, M2
+32%
-24%

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 · 20,661 FT KLMO ELEV · 5,055 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL20,661 ft VFR MARGINunlimited

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

11:44ZSUNRISE
19:07ZSOLAR NOON
02:30ZSUNSET
03:02ZCIVIL END
CURRENT02:16Z DAYLIGHT REMAINING14m VFR NIGHT BEGINS03:02Z (46m) DAY LENGTH14h 46m
New Moon
ILLUMINATION0% MOONRISE11:58Z MOONSET02:45Z FULL MOON IN14 days

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

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

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