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// Station · 13m ago

K20V

McElroy Airfield
CAT VFR
WIND 270° / 21 kt G29
VIS 10+ SM
CEILING Few/scattered only
T/Td 16°C / -2°C
ALTIM 30.06 inHg
ELEV 7,411 FT
40.0534°N / 106.3691°W
LOCATION · Kremmling, US
N
WIND
270°21 kt
K20V · 7,411 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
270°/21G29
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
SCT080 SCT090 SCT110
 
 
 
T / Td
16 / -2
 
 
 
ALTIM
30.06"
 
 
 

// Interpretation

VFR with strong winds at 270°/21 kt, gusting 29. Visibility better than 10 statute miles and scattered at 8,000 ft, scattered at 9,000 ft, and scattered at 11,000 ft. 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 K20V 301915Z AUTO 27021G29KT 10SM SCT080 SCT090 SCT110 16/M02 A3006 RMK AO2

K20V · day 30 at 19:15 UTC · wind from 270° at 21 kt, gusts to 29 kt · visibility 10+ SM · scattered layer at 8,000 ft · scattered layer at 9,000 ft · scattered layer at 11,000 ft · temp 16°C / dewpoint -2°C · altimeter 30.06" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 270° @ 21 ktG29
1 USABLE · 1 AVOID
N
WIND
270°21G29 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
27 HDG 270° H21 kt X0 kt PRIMARY · 5,540'
TAILWIND ENDS · AVOID 1 ends
09 HDG 090° T21 kt X0 kt
Pattern altitude: 8,411 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

9,100FT
+1,689 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -800 FT
10,400 8,950 7,500
24h AGO18h12h6hNOW
FIELD ELEV7,411 FT OAT+16°C ISA DELTA+15°C PRESSURE ALT7,269 FT
// Performance equivalent Operating here right now feels like operating at KTEX (Telluride Regional Airport, Telluride, elev 9,070 ft) on a standard ISA day.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+91%
-64%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+64%
-41%
Light jetCJ4, Phenom 300, M2
+36%
-27%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 15,492 FT SCT080 SCT090 SCT110 K20V ELEV · 7,411 FT
// Reported layers (highest → lowest)
SCT110
Scattered · base 11,000 ft AGL · ~3–4 oktas
SCT090
Scattered · base 9,000 ft AGL · ~3–4 oktas
SCT080
Scattered · base 8,000 ft AGL · ~3–4 oktas
// Computed
CEILING HIGHEST LAYER11,000 ft TOTAL COVERAGE~56% (mixed) FREEZING LEVEL15,492 ft VFR MARGINunlimited

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

11:40ZSUNRISE
19:04ZSOLAR NOON
02:28ZSUNSET
03:00ZCIVIL END
CURRENT19:28Z DAYLIGHT REMAINING6h 59m VFR NIGHT BEGINS03:00Z (7h 31m) DAY LENGTH14h 47m
Full Moon
ILLUMINATION99% MOONRISE23:07Z MOONSET13:54Z FULL MOON IN1 day

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

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

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