// Station · 15m ago

KDPA

Dupage Airport

CAT VFR

WIND 210° / 9 kt

VIS 10+ SM

CEILING CLR

T/Td 25.6°C / 16.7°C

ALTIM 29.76 inHg

ELEV 759 FT

41.9078°N / 88.2486°W

LOCATION · Chicago/West Chicago, US

WIND

210°9 kt

KDPA · 759 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

210°/9

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

26 / 17

ALTIM

29.76"

// Interpretation

VFR with moderate winds at 210°/9 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 130052Z 21009KT 10SM CLR 26/17 A2976 RMK AO2 SLP074 T02560167

KDPA · day 13 at 00:52 UTC · wind from 210° at 9 kt · visibility 10+ SM · temp 26°C / dewpoint 17°C · altimeter 29.76" Hg · automated station w/ precipitation discriminator · sea-level pressure 1007.4 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 9 kt

4 USABLE · 4 AVOID · 2 CAUTION

WIND

210°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 4 usable

20R★ HDG 200° H9 kt X2 kt RIGHT PRIMARY · 7,571'

20L HDG 200° H9 kt X2 kt RIGHT 6,451'

15 HDG 150° H5 kt X8 kt RIGHT ⚠ HIGH XW · 89%

28 HDG 280° H3 kt X8 kt LEFT ⚠ HIGH XW · 89%

TAILWIND ENDS · AVOID 4 ends

10 HDG 100° T3 kt X8 kt RIGHT —

33 HDG 330° T4 kt X8 kt LEFT —

02L HDG 020° T9 kt X2 kt LEFT —

02R HDG 020° T9 kt X2 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

2,400FT

+1,641 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV759 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT916 FT

// Performance equivalent Operating here right now feels like operating at KBKW (Raleigh County Memorial Airport, Beaver, elev 2,504 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+24%

-17%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+17%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL13,688 ft VFR MARGINunlimited

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

12:02ZSUNRISE

17:40ZSOLAR NOON

23:18ZSUNSET

23:46ZCIVIL END

CURRENT01:07Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:46Z (past) DAY LENGTH11h 15m

Waxing Crescent

ILLUMINATION3% MOONRISE13:23Z MOONSET00:39Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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