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// Station · 21m ago

K9Y1

Weydahl Field
CAT MVFR
WIND 120° / 10 kt
VIS 10+ SM
CEILING BKN at 2,200 ft
T/Td 22°C / 19°C
ALTIM 29.83 inHg
ELEV 2,256 FT
47.3928°N / 102.7710°W
LOCATION · Killdeer, US
N
WIND
120°10 kt
K9Y1 · 2,256 FT
© OSM · CartoDB

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

METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
120°/10
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN022
 
 
 
LAYERS
BKN022 OVC032
 
 
 
T / Td
22 / 19
 
 
 
ALTIM
29.83"
 
 
 

// Interpretation

MVFR — ceiling 2,200 ft. Moderate winds at 120°/10 kt, visibility better than 10 statute miles, broken at 2,200 ft, and overcast at 3,200 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.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR K9Y1 302215Z AUTO 12010KT 10SM BKN022 OVC032 22/19 A2983 RMK AO2

K9Y1 · day 30 at 22:15 UTC · wind from 120° at 10 kt · visibility 10+ SM · broken layer at 2,200 ft · overcast at 3,200 ft · temp 22°C / dewpoint 19°C · altimeter 29.83" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 120° @ 10 kt
1 USABLE · 1 AVOID
N
WIND
120°10 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
12 HDG 120° H10 kt X0 kt PRIMARY · 4,200'
TAILWIND ENDS · AVOID 1 ends
30 HDG 300° T10 kt X0 kt
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 +12°C

3,700FT
+1,444 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
4,200 3,550 2,900
24h AGO18h12h6hNOW
FIELD ELEV2,256 FT OAT+22°C ISA DELTA+12°C PRESSURE ALT2,345 FT
// Performance equivalent Operating here right now feels like operating at KBIL (Billings Logan International Airport, Billings, elev 3,652 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+37%
-26%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+26%
-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.

// Cloud layers · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,367 FT BKN022 · CEILING OVC032 K9Y1 ELEV · 2,256 FT
// Reported layers (highest → lowest)
OVC032
Overcast · base 3,200 ft AGL · 8 oktas
BKN022
Broken · base 2,200 ft AGL · ~5–7 oktas
// Computed
CEILING2,200 ft AGL HIGHEST LAYER3,200 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,367 ft VFR MARGIN-800 ft

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

11:01ZSUNRISE
18:50ZSOLAR NOON
02:39ZSUNSET
03:17ZCIVIL END
CURRENT22:36Z DAYLIGHT REMAINING4h 02m VFR NIGHT BEGINS03:17Z (4h 41m) DAY LENGTH15h 37m
Full Moon
ILLUMINATION100% MOONRISE22:34Z MOONSET14:11Z 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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