// Station · 38m ago

KPWK

Chicago Executive Airport

CAT VFR

WIND 210° / 9 kt

VIS 10+ SM

CEILING CLR

T/Td 27.2°C / 15.6°C

ALTIM 29.74 inHg

ELEV 647 FT

42.1142°N / 87.9015°W

LOCATION · Chicago/Prospect Heights/Wheeling, US

WIND

210°9 kt

KPWK · 647 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

210°/9

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

27 / 16

ALTIM

29.74"

// 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 KPWK 130152Z 21009KT 10SM CLR 27/16 A2974 RMK AO2 SLP067 T02720156 $

KPWK · day 13 at 01:52 UTC · wind from 210° at 9 kt · visibility 10+ SM · temp 27°C / dewpoint 16°C · altimeter 29.74" Hg · automated station w/ precipitation discriminator · sea-level pressure 1006.7 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 9 kt

4 USABLE · 2 AVOID · 3 CAUTION

WIND

210°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 4 usable

24★ HDG 240° H8 kt X4 kt LEFT PRIMARY · 3,677'

16 HDG 160° H6 kt X7 kt RIGHT ⚠ HIGH XW · 78%

12 HDG 120° H0 kt X9 kt RIGHT ⚠ HIGH XW · 100%

30 HDG 300° H0 kt X9 kt LEFT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 2 ends

34 HDG 340° T6 kt X7 kt LEFT —

06 HDG 060° T8 kt X4 kt RIGHT —

Pattern altitude: 1,647 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 +14°C

2,500FT

+1,853 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV647 FT OAT+27°C ISA DELTA+14°C PRESSURE ALT824 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

+25%

-18%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+18%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-8%

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 LEVEL14,384 ft VFR MARGINunlimited

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

12:01ZSUNRISE

17:39ZSOLAR NOON

23:16ZSUNSET

23:44ZCIVIL END

CURRENT02:30Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:44Z (past) DAY LENGTH11h 14m

Waxing Crescent

ILLUMINATION3% MOONRISE13:25Z MOONSET00:40Z FULL MOON IN13 days

// Nearest reporting stations

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

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