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// Station · 8m ago

KDAY

James M. Cox Dayton International Airport
CAT VFR
WIND 070° / 4 kt
VIS 10+ SM
CEILING BKN at 4,200 ft
T/Td 24.4°C / 21.7°C
ALTIM 30.02 inHg
ELEV 1,009 FT
39.9024°N / 84.2194°W
LOCATION · Dayton, US
N
WIND
070°4 kt
KDAY · 1,009 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
070°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN042
 
 
 
LAYERS
FEW013 SCT036 BKN042 OVC180
 
 
 
T / Td
24 / 22
 
 
 
ALTIM
30.02"
 
 
 

// Interpretation

VFR — ceiling 4,200 ft. Light winds at 070°/4 kt, visibility better than 10 statute miles, a few at 1,300 ft, scattered at 3,600 ft, broken at 4,200 ft, and overcast at 18,000 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 KDAY 111556Z 07004KT 10SM FEW013 SCT036 BKN042 OVC180 24/22 A3002 RMK AO2 SLP158 VCSH S-W T02440217 $

KDAY · day 11 at 15:56 UTC · wind from 070° at 4 kt · visibility 10+ SM · a few clouds at 1,300 ft · scattered layer at 3,600 ft · broken layer at 4,200 ft · overcast at 18,000 ft · temp 24°C / dewpoint 22°C · altimeter 30.02" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.8 mb

// Runway analysis · computed from current METAR wind

Wind 070° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
070°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 6 ends
06L HDG 060° CALM 10,901'
24R HDG 240° CALM 10,901'
18 HDG 180° CALM 8,502'
36 HDG 360° CALM 8,502'
06R HDG 060° CALM 7,285'
24L HDG 240° CALM 7,285'
Pattern altitude: 2,009 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 +11°C

2,200FT
+1,191 FT ABOVE FIELD ELEV
FIELD ELEV1,009 FT OAT+24°C ISA DELTA+11°C PRESSURE ALT906 FT
// Performance equivalent Operating here right now feels like operating at K6A4 (Johnson County Airport, Mountain City, elev 2,240 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+22%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%

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 · 4 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,332 FT FEW013 SCT036 BKN042 · CEILING OVC180 KDAY ELEV · 1,009 FT
// Reported layers (highest → lowest)
OVC180
Overcast · base 18,000 ft AGL · 8 oktas
BKN042
Broken · base 4,200 ft AGL · ~5–7 oktas
SCT036
Scattered · base 3,600 ft AGL · ~3–4 oktas
FEW013
Few · base 1,300 ft AGL · ~1–2 oktas
// Computed
CEILING4,200 ft AGL HIGHEST LAYER18,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,332 ft VFR MARGIN+1,200 ft

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

10:19ZSUNRISE
17:43ZSOLAR NOON
01:07ZSUNSET
01:39ZCIVIL END
CURRENT16:04Z DAYLIGHT REMAINING9h 03m VFR NIGHT BEGINS01:39Z (9h 35m) DAY LENGTH14h 48m
Waning Crescent
ILLUMINATION11% MOONRISE07:46Z MOONSET22:35Z FULL MOON IN18 days

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

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

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