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// KLAF · Purdue University Airport · West Lafayette

// STALE Observation is 1h 0m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 0m ago · STALE

KLAF

Purdue University Airport
CAT VFR
WIND 190° / 5 kt
VIS 10+ SM
CEILING CLR
T/Td 25°C / 13.3°C
ALTIM 29.85 inHg
ELEV 606 FT
40.4129°N / 86.9394°W
LOCATION · West Lafayette, US
N
WIND
190°5 kt
KLAF · 606 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
190°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
25 / 13
 
 
 
ALTIM
29.85"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with light winds at 190°/5 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 KLAF 130054Z AUTO 19005KT 10SM CLR 25/13 A2985 RMK AO2 SLP103 T02500133

KLAF · day 13 at 00:54 UTC · wind from 190° at 5 kt · visibility 10+ SM · temp 25°C / dewpoint 13°C · altimeter 29.85" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.3 mb

// Runway analysis · computed from current METAR wind

Wind 190° @ 5 kt
3 USABLE · 1 AVOID
N
WIND
190°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
23★ HDG 230° H4 kt X3 kt LEFT PRIMARY · 4,225'
10 HDG 100° H0 kt X5 kt RIGHT 6,600'
28 HDG 280° H0 kt X5 kt LEFT 6,600'
TAILWIND ENDS · AVOID 1 ends
05 HDG 050° T4 kt X3 kt RIGHT —
Pattern altitude: 1,606 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

2,000FT
+1,394 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV606 FT OAT+25°C ISA DELTA+11°C PRESSURE ALT674 FT
// Performance equivalent Operating here right now feels like operating at KEKN (Elkins-Randolph County Regional Airport, Elkins, elev 1,987 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+20%
-14%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+14%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,232 FT KLAF ELEV · 606 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL13,232 ft VFR MARGINunlimited

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

11:56ZSUNRISE
17:35ZSOLAR NOON
23:14ZSUNSET
23:41ZCIVIL END
CURRENT01:54Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:41Z (past) DAY LENGTH11h 17m
Waxing Crescent
ILLUMINATION3% MOONRISE13:19Z MOONSET00:36Z 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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