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// Station · 6m ago

KY31

West Branch Community Airport
CAT VFR
WIND 110° / 9 kt G17
VIS 10+ SM
CEILING CLR
T/Td 19.9°C / 0°C
ALTIM 30.22 inHg
ELEV 882 FT
44.2448°N / 84.1798°W
LOCATION · West Branch, US
N
WIND
110°9 kt
KY31 · 882 FT
© OSM · CartoDB

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

METRIC
NOW · 20Z
+6H
+12H
+18H
WIND
110°/9G17
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
20 / 0
 
 
 
ALTIM
30.22"
 
 
 

// Interpretation

VFR with moderate winds at 110°/9 kt, gusting 17. 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 KY31 302055Z AUTO 11009G17KT 10SM CLR 20/00 A3022 RMK AO2 T01990000

KY31 · day 30 at 20:55 UTC · wind from 110° at 9 kt, gusts to 17 kt · visibility 10+ SM · temp 20°C / dewpoint 0°C · altimeter 30.22" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 110° @ 9 ktG17
1 USABLE · 1 AVOID
N
WIND
110°9G17 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
09 HDG 090° H8 kt X3 kt RIGHT PRIMARY · 5,000'
TAILWIND ENDS · AVOID 1 ends
27 HDG 270° T8 kt X3 kt LEFT
Pattern altitude: 1,882 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

1,300FT
+418 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -1,400 FT
3,200 1,200 -800
24h AGO18h12h6hNOW
FIELD ELEV882 FT OAT+20°C ISA DELTA+6°C PRESSURE ALT578 FT
// Performance equivalent Operating here right now feels like operating at KCAD (Wexford County Airport, Cadillac, elev 1,307 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+13%
-9%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+9%
-6%
Light jetCJ4, Phenom 300, M2
+5%
-4%

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 · 10,933 FT KY31 ELEV · 882 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL10,933 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

09:58ZSUNRISE
17:35ZSOLAR NOON
01:12ZSUNSET
01:48ZCIVIL END
CURRENT21:01Z DAYLIGHT REMAINING4h 11m VFR NIGHT BEGINS01:48Z (4h 46m) DAY LENGTH15h 14m
Full Moon
ILLUMINATION100% MOONRISE21:28Z MOONSET12:42Z 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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