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// Station · 59m ago

KDPA

Dupage Airport
CAT VFR
WIND 030° / 3 kt
VIS 10+ SM
CEILING CLR
T/Td 13.3°C / 11.7°C
ALTIM 29.97 inHg
ELEV 759 FT
41.9078°N / 88.2486°W
LOCATION · Chicago/West Chicago, US
N
WIND
030°3 kt
KDPA · 759 FT
© OSM · CartoDB

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

METRIC
NOW · 08Z
+6H
+12H
+18H
WIND
030°/3
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
13 / 12
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

VFR with light winds at 030°/3 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 270852Z 03003KT 10SM CLR 13/12 A2997 RMK AO2 SLP144 T01330117 58001

KDPA · day 27 at 08:52 UTC · wind from 030° at 3 kt · visibility 10+ SM · temp 13°C / dewpoint 12°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.4 mb

// Runway analysis · computed from current METAR wind

Wind 030° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
030°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 8 ends
02L HDG 020° CALM 7,571'
20R HDG 200° CALM 7,571'
02R HDG 020° CALM 6,451'
20L HDG 200° CALM 6,451'
10 HDG 100° CALM 4,750'
28 HDG 280° CALM 4,750'
15 HDG 150° CALM 3,399'
33 HDG 330° CALM 3,399'
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 +0°C

700FT
-59 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↗ +100 FT
2,700 1,500 300
24h AGO18h12h6hNOW
FIELD ELEV759 FT OAT+13°C ISA DELTA+0°C PRESSURE ALT706 FT
// Performance equivalent Operating here right now feels like operating at KDEC (Decatur Airport, Decatur, elev 682 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+7%
-5%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+5%
-3%
Light jetCJ4, Phenom 300, M2
+3%
-2%

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 · 7,476 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 LEVEL7,476 ft VFR MARGINunlimited

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

10:24ZSUNRISE
17:51ZSOLAR NOON
01:18ZSUNSET
01:51ZCIVIL END
CURRENT09:51Z DAYLIGHT REMAINING15h 27m VFR NIGHT BEGINS01:51Z (16h 00m) DAY LENGTH14h 54m
Waxing Gibbous
ILLUMINATION82% MOONRISE19:05Z MOONSET09:59Z FULL MOON IN4 days

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

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

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