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// Station · 33m ago

KORD

Chicago O'Hare International Airport
CAT VFR
WIND 040° / 8 kt
VIS 10+ SM
CEILING BKN at 25,000 ft
T/Td 24.4°C / 20°C
ALTIM 30.04 inHg
ELEV 680 FT
41.9786°N / 87.9048°W
LOCATION · Chicago, US
N
WIND
040°8 kt
KORD · 680 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
040°/8
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN250
 
 
 
LAYERS
FEW012 FEW065 BKN250
 
 
 
T / Td
24 / 20
 
 
 
ALTIM
30.04"
 
 
 

// Interpretation

VFR — ceiling 25,000 ft. Moderate winds at 040°/8 kt, visibility better than 10 statute miles, a few at 1,200 ft, a few at 6,500 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 KORD 111351Z 04008KT 020V080 10SM FEW012 FEW065 BKN250 24/20 A3004 RMK AO2 SLP169 T02440200 $

KORD · day 11 at 13:51 UTC · wind from 040° at 8 kt · visibility 10+ SM · a few clouds at 1,200 ft · a few clouds at 6,500 ft · broken layer at 25,000 ft · temp 24°C / dewpoint 20°C · altimeter 30.04" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.9 mb

// Runway analysis · computed from current METAR wind

Wind 040° @ 8 kt
8 USABLE · 8 AVOID · 6 CAUTION
N
WIND
040°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 8 usable
04L HDG 040° H8 kt X0 kt PRIMARY · 7,500'
04R HDG 040° H8 kt X0 kt 8,075'
09C HDG 090° H5 kt X6 kt LEFT ⚠ HIGH XW · 75%
09L HDG 090° H5 kt X6 kt LEFT ⚠ HIGH XW · 75%
09R HDG 090° H5 kt X6 kt LEFT ⚠ HIGH XW · 75%
10C HDG 100° H4 kt X7 kt LEFT ⚠ HIGH XW · 88%
10L HDG 100° H4 kt X7 kt LEFT ⚠ HIGH XW · 88%
10R HDG 100° H4 kt X7 kt LEFT ⚠ HIGH XW · 88%
TAILWIND ENDS · AVOID 8 ends
28C HDG 280° T4 kt X7 kt RIGHT
28R HDG 280° T4 kt X7 kt RIGHT
28L HDG 280° T4 kt X7 kt RIGHT
27C HDG 270° T5 kt X6 kt RIGHT
27R HDG 270° T5 kt X6 kt RIGHT
27L HDG 270° T5 kt X6 kt RIGHT
22R HDG 220° T8 kt X0 kt
22L HDG 220° T8 kt X0 kt
Pattern altitude: 1,680 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 +11°C

1,800FT
+1,120 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
2,500 1,750 1,000
24h AGO18h12h6hNOW
FIELD ELEV680 FT OAT+24°C ISA DELTA+11°C PRESSURE ALT556 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 MINOR
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.

// Cloud layers · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,003 FT FEW012 FEW065 BKN250 · CEILING KORD ELEV · 680 FT
// Reported layers (highest → lowest)
BKN250
Broken · base 25,000 ft AGL · ~5–7 oktas
FEW065
Few · base 6,500 ft AGL · ~1–2 oktas
FEW012
Few · base 1,200 ft AGL · ~1–2 oktas
// Computed
CEILING25,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL13,003 ft VFR MARGIN+22,000 ft

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

10:27ZSUNRISE
17:58ZSOLAR NOON
01:29ZSUNSET
02:02ZCIVIL END
CURRENT14:24Z DAYLIGHT REMAINING11h 05m VFR NIGHT BEGINS02:02Z (11h 38m) DAY LENGTH15h 01m
Waning Crescent
ILLUMINATION11% MOONRISE07:51Z MOONSET22:53Z FULL MOON IN18 days

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

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

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