// Station · 20m ago

KLAF

Purdue University Airport

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 9,500 ft

T/Td 22.2°C / 20.6°C

ALTIM 30.02 inHg

ELEV 606 FT

40.4129°N / 86.9394°W

LOCATION · West Lafayette, US

WIND

000°0 kt

KLAF · 606 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN095

LAYERS

FEW065 BKN095

T / Td

22 / 21

ALTIM

30.02"

// Interpretation

VFR — ceiling 9,500 ft. Winds calm, visibility better than 10 statute miles, a few at 6,500 ft, and broken at 9,500 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 KLAF 111554Z 00000KT 10SM FEW065 BKN095 22/21 A3002 RMK AO2 SLP162 T02220206

KLAF · day 11 at 15:54 UTC · winds calm · visibility 10+ SM · a few clouds at 6,500 ft · broken layer at 9,500 ft · temp 22°C / dewpoint 21°C · altimeter 30.02" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.2 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 4 ends

10 HDG 100° —CALM —— 6,600'

28 HDG 280° —CALM —— 6,600'

05 HDG 050° —CALM —— 4,225'

23 HDG 230° —CALM —— 4,225'

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 +8°C

1,500FT

+894 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,000 FT

24h AGO18h12h6hNOW

FIELD ELEV606 FT OAT+22°C ISA DELTA+8°C PRESSURE ALT503 FT

// Performance equivalent Operating here right now feels like operating at KRID (Richmond Municipal Airport, Richmond, elev 1,140 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN095

Broken · base 9,500 ft AGL · ~5–7 oktas

FEW065

Few · base 6,500 ft AGL · ~1–2 oktas

// Computed

CEILING9,500 ft AGL HIGHEST LAYER9,500 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL11,818 ft VFR MARGIN+6,500 ft

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

10:28ZSUNRISE

17:54ZSOLAR NOON

01:20ZSUNSET

01:52ZCIVIL END

CURRENT16:14Z DAYLIGHT REMAINING9h 05m VFR NIGHT BEGINS01:52Z (9h 38m) DAY LENGTH14h 51m

Waning Crescent

ILLUMINATION11% MOONRISE07:56Z MOONSET22:48Z FULL MOON IN18 days

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

KFKR

VFR

Frankfort Clinton County Regional Airport · Frankfort

WIND: 300° / 4 kt
VIS: 10+ SM
CEILING: FEW004
DIST: 19 NM SE
AGE: 19m ago

KMCX

VFR

White County Airport · Monticello

WIND: CALM
VIS: 10+ SM
CEILING: CLR
DIST: 19 NM NE
AGE: 19m ago

KDNV

MVFR

Vermilion Regional Airport · Danville

WIND: 050° / 3 kt
VIS: 3.0 SM
CEILING: BKN055
DIST: 33 NM SW
AGE: 19m ago

KRZL

VFR

Jasper County Airport · Rensselaer

WIND: CALM
VIS: 10+ SM
CEILING: CLR
DIST: 34 NM N
AGE: 19m ago

KGUS

VFR

Grissom Air Reserve Base · Peru

WIND: CALM
VIS: 10+ SM
CEILING: BKN040
DIST: 39 NM E
AGE: 1h 19m ago

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

AIRSPACE

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