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// Station · 12m ago

KCMR

H.A. Clark Memorial Field
CAT MVFR
WIND 250° / 14 kt G23
VIS 10+ SM
CEILING BKN at 2,400 ft
T/Td 8°C / 5°C
ALTIM 30.01 inHg
ELEV 6,680 FT
35.3056°N / 112.1944°W
LOCATION · Williams, US
N
WIND
250°14 kt
KCMR · 6,680 FT
© OSM · CartoDB

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

METRIC
NOW · 02Z
+6H
+12H
+18H
WIND
250°/14G23
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN024
 
 
 
LAYERS
FEW012 FEW017 BKN024
 
 
 
T / Td
8 / 5
 
 
 
ALTIM
30.01"
 
 
 

// Interpretation

MVFR — ceiling 2,400 ft. Brisk winds at 250°/14 kt, gusting 23, visibility better than 10 statute miles, a few at 1,200 ft, a few at 1,700 ft, and broken at 2,400 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

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SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KCMR 130215Z AUTO 25014G23KT 10SM FEW012 FEW017 BKN024 08/05 A3001 RMK AO2

KCMR · day 13 at 02:15 UTC · wind from 250° at 14 kt, gusts to 23 kt · visibility 10+ SM · a few clouds at 1,200 ft · a few clouds at 1,700 ft · broken layer at 2,400 ft · temp 8°C / dewpoint 5°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 250° @ 14 ktG23
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
250°14G23 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
18★ HDG 180° H5 kt X13 kt RIGHT PRIMARY · 6,003'
TAILWIND ENDS · AVOID 1 ends
36 HDG 360° T5 kt X13 kt LEFT —
Pattern altitude: 7,680 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 +6°C

7,300FT
+620 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV6,680 FT OAT+8°C ISA DELTA+6°C PRESSURE ALT6,589 FT
// Performance equivalent Operating here right now feels like operating at KFLG (Flagstaff Pulliam Airport, Flagstaff, elev 7,014 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+73%
-51%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+51%
-33%
Light jetCJ4, Phenom 300, M2
+29%
-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 · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 10,720 FT FEW012 FEW017 BKN024 · CEILING KCMR ELEV · 6,680 FT
// Reported layers (highest → lowest)
BKN024
Broken · base 2,400 ft AGL · ~5–7 oktas
FEW017
Few · base 1,700 ft AGL · ~1–2 oktas
FEW012
Few · base 1,200 ft AGL · ~1–2 oktas
// Computed
CEILING2,400 ft AGL HIGHEST LAYER2,400 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL10,720 ft VFR MARGIN-600 ft

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

13:33ZSUNRISE
19:16ZSOLAR NOON
00:59ZSUNSET
01:24ZCIVIL END
CURRENT02:27Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:24Z (past) DAY LENGTH11h 25m
Waxing Crescent
ILLUMINATION3% MOONRISE14:57Z MOONSET02:23Z FULL MOON IN13 days

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