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// Station · 10m ago

K9Y1

Weydahl Field
CAT VFR
WIND 240° / 14 kt G20
VIS 10+ SM
CEILING BKN at 6,500 ft
T/Td 23°C / 16°C
ALTIM 29.86 inHg
ELEV 2,256 FT
47.3928°N / 102.7710°W
LOCATION · Killdeer, US
N
WIND
240°14 kt
K9Y1 · 2,256 FT
© OSM · CartoDB

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

METRIC
NOW · 03Z
+6H
+12H
+18H
WIND
240°/14G20
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN065
 
 
 
LAYERS
SCT055 BKN065 OVC120
 
 
 
T / Td
23 / 16
 
 
 
ALTIM
29.86"
 
 
 

// Interpretation

VFR — ceiling 6,500 ft. Brisk winds at 240°/14 kt, gusting 20, visibility better than 10 statute miles, scattered at 5,500 ft, broken at 6,500 ft, and overcast at 12,000 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

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

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// Raw observation METAR string + decoded

METAR K9Y1 290315Z AUTO 24014G20KT 10SM SCT055 BKN065 OVC120 23/16 A2986 RMK AO2

K9Y1 · day 29 at 03:15 UTC · wind from 240° at 14 kt, gusts to 20 kt · visibility 10+ SM · scattered layer at 5,500 ft · broken layer at 6,500 ft · overcast at 12,000 ft · temp 23°C / dewpoint 16°C · altimeter 29.86" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 240° @ 14 ktG20
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
240°14G20 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
30 HDG 300° H7 kt X12 kt LEFT PRIMARY · 4,200'
TAILWIND ENDS · AVOID 1 ends
12 HDG 120° T7 kt X12 kt RIGHT
Pattern altitude: 3,256 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

3,800FT
+1,544 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV2,256 FT OAT+23°C ISA DELTA+13°C PRESSURE ALT2,312 FT
// Performance equivalent Operating here right now feels like operating at KSPF (Black Hills Airport-Clyde Ice Field, Spearfish, elev 3,931 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+38%
-27%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+27%
-17%
Light jetCJ4, Phenom 300, M2
+15%
-11%

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 · 13,872 FT SCT055 BKN065 · CEILING OVC120 K9Y1 ELEV · 2,256 FT
// Reported layers (highest → lowest)
OVC120
Overcast · base 12,000 ft AGL · 8 oktas
BKN065
Broken · base 6,500 ft AGL · ~5–7 oktas
SCT055
Scattered · base 5,500 ft AGL · ~3–4 oktas
// Computed
CEILING6,500 ft AGL HIGHEST LAYER12,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,872 ft VFR MARGIN+3,500 ft

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

12:06ZSUNRISE
18:53ZSOLAR NOON
01:41ZSUNSET
02:13ZCIVIL END
CURRENT03:25Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS02:13Z (past) DAY LENGTH13h 35m
Waning Gibbous
ILLUMINATION99% MOONRISE00:57Z MOONSET14:33Z FULL MOON IN28 days

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