// Station · 32m ago

KMDW

Chicago Midway International Airport

CAT VFR

WIND 240° / 9 kt

VIS 10+ SM

CEILING BKN at 25,000 ft

T/Td 25.6°C / 12.2°C

ALTIM 30.07 inHg

ELEV 620 FT

41.7860°N / 87.7524°W

LOCATION · Chicago, US

WIND

240°9 kt

KMDW · 620 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

240°/9

VIS

10+ SM

CEILING

BKN250

LAYERS

SCT055 BKN250

T / Td

26 / 12

ALTIM

30.07"

// Interpretation

VFR — ceiling 25,000 ft. Moderate winds at 240°/9 kt, visibility better than 10 statute miles, scattered at 5,500 ft, and broken at 25,000 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 KMDW 251953Z 24009KT 10SM SCT055 BKN250 26/12 A3007 RMK AO2 SLP173 T02560122

KMDW · day 25 at 19:53 UTC · wind from 240° at 9 kt · visibility 10+ SM · scattered layer at 5,500 ft · broken layer at 25,000 ft · temp 26°C / dewpoint 12°C · altimeter 30.07" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.3 mb

// Runway analysis · computed from current METAR wind

Wind 240° @ 9 kt

4 USABLE · 4 AVOID · 2 CAUTION

WIND

240°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 4 usable

22R★ HDG 220° H8 kt X3 kt RIGHT PRIMARY · 5,507'

22L HDG 220° H8 kt X3 kt RIGHT 6,445'

31R HDG 310° H3 kt X8 kt LEFT ⚠ HIGH XW · 89%

31L HDG 310° H3 kt X8 kt LEFT ⚠ HIGH XW · 89%

TAILWIND ENDS · AVOID 4 ends

13L HDG 130° T3 kt X8 kt RIGHT —

13R HDG 130° T3 kt X8 kt RIGHT —

04L HDG 040° T8 kt X3 kt LEFT —

04R HDG 040° T8 kt X3 kt LEFT —

Pattern altitude: 1,620 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

1,800FT

+1,180 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV620 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT467 FT

// Performance equivalent Operating here right now feels like operating at KLNL (Kings Land O' Lakes Airport, Land O' Lakes, elev 1,704 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN250

Broken · base 25,000 ft AGL · ~5–7 oktas

SCT055

Scattered · base 5,500 ft AGL · ~3–4 oktas

// Computed

CEILING25,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL13,549 ft VFR MARGIN+22,000 ft

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

11:11ZSUNRISE

17:54ZSOLAR NOON

00:38ZSUNSET

01:07ZCIVIL END

CURRENT20:25Z DAYLIGHT REMAINING4h 13m VFR NIGHT BEGINS01:07Z (4h 42m) DAY LENGTH13h 27m

Waxing Gibbous

ILLUMINATION94% MOONRISE21:21Z MOONSET10:49Z FULL MOON IN2 days

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

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