// Station · 24m ago

KARR

Aurora Municipal Airport

CAT MVFR

WIND CALM

VIS 5.0 SM

CEILING CLR

T/Td 20.6°C / 16.7°C

ALTIM 30.10 inHg

WX HZ

ELEV 712 FT

41.7719°N / 88.4757°W

LOCATION · Chicago/Aurora, US

WIND

000°0 kt

KARR · 712 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

CALM

VIS

5.0 SM

CEILING

CLR

LAYERS

—

T / Td

21 / 17

ALTIM

30.10"

// Interpretation

MVFR — visibility 5.0 SM. Winds calm, visibility 5.0 SM, no reported cloud layers. Reported weather: haze (HZ). Haze is fine dust, salt, or pollution particles suspended in dry air — it reduces visibility and washes out contrast, a dry particulate obscuration rather than a moisture one. Note that automated stations can't chemically tell smoke from haze — during a regional smoke event, this may in fact be drifting wildfire smoke reported as haze. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KARR 290052Z 00000KT 5SM HZ CLR 21/17 A3010 RMK AO2 SLP189 T02060167

KARR · day 29 at 00:52 UTC · winds calm · visibility 5.0 SM · temp 21°C / dewpoint 17°C · altimeter 30.10" Hg · weather: haze (HZ) · automated station w/ precipitation discriminator · sea-level pressure 1018.9 mb

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 6 ends

09 HDG 090° —CALM —— 6,501'

27 HDG 270° —CALM —— 6,501'

15 HDG 150° —CALM —— 5,503'

33 HDG 330° —CALM —— 5,503'

18 HDG 180° —CALM —— 3,198'

36 HDG 360° —CALM —— 3,198'

Pattern altitude: 1,712 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 +7°C

1,300FT

+588 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV712 FT OAT+21°C ISA DELTA+7°C PRESSURE ALT529 FT

// Performance equivalent Operating here right now feels like operating at KDKB (DeKalb Taylor Municipal Airport, DeKalb, elev 914 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+13%

-9%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+9%

-6%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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 LEVEL11,116 ft VFR MARGINunlimited

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

11:17ZSUNRISE

17:56ZSOLAR NOON

00:36ZSUNSET

01:05ZCIVIL END

CURRENT01:16Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:05Z (past) DAY LENGTH13h 19m

Waning Gibbous

ILLUMINATION99% MOONRISE00:04Z MOONSET13:23Z FULL MOON IN29 days

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

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