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// Station · 21m ago

KORD

Chicago O'Hare International Airport
CAT VFR
WIND 200° / 9 kt
VIS 10+ SM
CEILING BKN at 25,000 ft
T/Td 28.3°C / 15.6°C
ALTIM 29.74 inHg
ELEV 680 FT
41.9786°N / 87.9048°W
LOCATION · Chicago, US
N
WIND
200°9 kt
KORD · 680 FT
© OSM · CartoDB

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

METRIC
NOW · 23Z
+6H
+12H
+18H
WIND
200°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN250
 
 
 
LAYERS
BKN250
 
 
 
T / Td
28 / 16
 
 
 
ALTIM
29.74"
 
 
 

// Interpretation

VFR — ceiling 25,000 ft. Moderate winds at 200°/9 kt, visibility better than 10 statute miles, 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 122351Z 20009KT 10SM BKN250 28/16 A2974 RMK AO2 SLP065 T02830156 10311 20283 57002 $

KORD · day 12 at 23:51 UTC · wind from 200° at 9 kt · visibility 10+ SM · broken layer at 25,000 ft · temp 28°C / dewpoint 16°C · altimeter 29.74" Hg · automated station w/ precipitation discriminator · sea-level pressure 1006.5 mb

// Runway analysis · computed from current METAR wind

Wind 200° @ 9 kt
8 USABLE · 8 AVOID · 6 CAUTION
N
WIND
200°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 8 usable
22R★ HDG 220° H8 kt X3 kt LEFT PRIMARY · 7,500'
22L HDG 220° H8 kt X3 kt LEFT 8,075'
27C HDG 270° H3 kt X8 kt LEFT ⚠ HIGH XW · 89%
27R HDG 270° H3 kt X8 kt LEFT ⚠ HIGH XW · 89%
27L HDG 270° H3 kt X8 kt LEFT ⚠ HIGH XW · 89%
28C HDG 280° H2 kt X9 kt LEFT ⚠ HIGH XW · 100%
28R HDG 280° H2 kt X9 kt LEFT ⚠ HIGH XW · 100%
28L HDG 280° H2 kt X9 kt LEFT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 8 ends
10C HDG 100° T2 kt X9 kt RIGHT —
10L HDG 100° T2 kt X9 kt RIGHT —
10R HDG 100° T2 kt X9 kt RIGHT —
09C HDG 090° T3 kt X8 kt RIGHT —
09L HDG 090° T3 kt X8 kt RIGHT —
09R HDG 090° T3 kt X8 kt RIGHT —
04L HDG 040° T8 kt X3 kt RIGHT —
04R HDG 040° T8 kt X3 kt RIGHT —
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 +15°C

2,700FT
+2,020 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV680 FT OAT+28°C ISA DELTA+15°C PRESSURE ALT857 FT
// Performance equivalent Operating here right now feels like operating at KLNP (Lonesome Pine Airport, Wise, elev 2,684 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+27%
-19%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+19%
-12%
Light jetCJ4, Phenom 300, M2
+11%
-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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,973 FT BKN250 · CEILING KORD ELEV · 680 FT
// Reported layers (highest → lowest)
BKN250
Broken · base 25,000 ft AGL · ~5–7 oktas
// Computed
CEILING25,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL14,973 ft VFR MARGIN+22,000 ft

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

12:01ZSUNRISE
17:39ZSOLAR NOON
23:16ZSUNSET
23:44ZCIVIL END
CURRENT00:12Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:44Z (past) DAY LENGTH11h 15m
Waxing Crescent
ILLUMINATION3% MOONRISE13:20Z MOONSET00:36Z FULL MOON IN13 days

// Nearest reporting stations

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