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// Station · 17m ago

KDPA

Dupage Airport
CAT VFR
WIND 040° / 8 kt
VIS 10+ SM
CEILING CLR
T/Td 26.1°C / 20°C
ALTIM 30.05 inHg
ELEV 759 FT
41.9078°N / 88.2486°W
LOCATION · Chicago/West Chicago, US
N
WIND
040°8 kt
KDPA · 759 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
040°/8
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
26 / 20
 
 
 
ALTIM
30.05"
 
 
 

// Interpretation

VFR with moderate winds at 040°/8 kt. 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 KDPA 111452Z 04008KT 10SM CLR 26/20 A3005 RMK AO2 SLP169 T02610200 51007

KDPA · day 11 at 14:52 UTC · wind from 040° at 8 kt · visibility 10+ SM · temp 26°C / dewpoint 20°C · altimeter 30.05" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.9 mb

// Runway analysis · computed from current METAR wind

Wind 040° @ 8 kt
4 USABLE · 4 AVOID · 2 CAUTION
N
WIND
040°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
02L HDG 020° H8 kt X3 kt RIGHT PRIMARY · 7,571'
02R HDG 020° H8 kt X3 kt RIGHT 6,451'
10 HDG 100° H4 kt X7 kt LEFT ⚠ HIGH XW · 88%
33 HDG 330° H3 kt X8 kt RIGHT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 4 ends
15 HDG 150° T3 kt X8 kt LEFT
28 HDG 280° T4 kt X7 kt RIGHT
20R HDG 200° T8 kt X3 kt LEFT
20L HDG 200° T8 kt X3 kt LEFT
Pattern altitude: 1,759 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

2,100FT
+1,341 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
2,600 1,750 900
24h AGO18h12h6hNOW
FIELD ELEV759 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT626 FT
// Performance equivalent Operating here right now feels like operating at KVJI (Virginia Highlands Airport, Abingdon, elev 2,087 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+21%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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 · 13,941 FT KDPA ELEV · 759 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,941 ft VFR MARGINunlimited

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

10:28ZSUNRISE
17:59ZSOLAR NOON
01:30ZSUNSET
02:03ZCIVIL END
CURRENT15:09Z DAYLIGHT REMAINING10h 20m VFR NIGHT BEGINS02:03Z (10h 54m) DAY LENGTH15h 01m
Waning Crescent
ILLUMINATION11% MOONRISE07:54Z MOONSET22:56Z 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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