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// Station · 45m ago

KLOT

Lewis University Airport
CAT VFR
WIND 040° / 15 kt
VIS 10+ SM
CEILING CLR
T/Td 23°C / 7°C
ALTIM 30.07 inHg
ELEV 679 FT
41.6073°N / 88.0962°W
LOCATION · Chicago/Romeoville, US
N
WIND
040°15 kt
KLOT · 679 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
040°/15
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
23 / 7
 
 
 
ALTIM
30.07"
 
 
 

// Interpretation

VFR with brisk winds at 040°/15 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 KLOT 302145Z 04015KT 10SM CLR 23/07 A3007

KLOT · day 30 at 21:45 UTC · wind from 040° at 15 kt · visibility 10+ SM · temp 23°C / dewpoint 7°C · altimeter 30.07" Hg

// Runway analysis · computed from current METAR wind

Wind 040° @ 15 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
040°15 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
02 HDG 020° H14 kt X5 kt RIGHT PRIMARY · 6,500'
09 HDG 090° H10 kt X11 kt LEFT ⚠ HIGH XW · 73%
TAILWIND ENDS · AVOID 2 ends
27 HDG 270° T10 kt X11 kt RIGHT
20 HDG 200° T14 kt X5 kt LEFT
Pattern altitude: 1,679 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 +9°C

1,600FT
+921 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -800 FT
2,700 1,550 400
24h AGO18h12h6hNOW
FIELD ELEV679 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT526 FT
// Performance equivalent Operating here right now feels like operating at KRHI (Rhinelander Oneida County Airport, Rhinelander, elev 1,624 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+16%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,295 FT KLOT ELEV · 679 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL12,295 ft VFR MARGINunlimited

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

10:23ZSUNRISE
17:51ZSOLAR NOON
01:19ZSUNSET
01:52ZCIVIL END
CURRENT22:30Z DAYLIGHT REMAINING2h 48m VFR NIGHT BEGINS01:52Z (3h 22m) DAY LENGTH14h 56m
Full Moon
ILLUMINATION100% MOONRISE21:55Z MOONSET12:52Z FULL MOON IN1 day

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

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

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