// Station · 31m ago

KRPJ

Rochelle Municipal Airport - Koritz Field

CAT VFR

WIND CALM

VIS 10+ SM

CEILING Few/scattered only

T/Td 26.3°C / 12.2°C

ALTIM 30.11 inHg

ELEV 781 FT

41.8930°N / 89.0783°W

LOCATION · Rochelle, US

WIND

000°0 kt

KRPJ · 781 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

—

LAYERS

SCT055

T / Td

26 / 12

ALTIM

30.11"

// Interpretation

VFR with winds calm. Visibility better than 10 statute miles and scattered at 5,500 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 KRPJ 282235Z AUTO 00000KT 10SM SCT055 26/12 A3011 RMK AO2 T02630122

KRPJ · day 28 at 22:35 UTC · winds calm · visibility 10+ SM · scattered layer at 5,500 ft · temp 26°C / dewpoint 12°C · altimeter 30.11" Hg · automated station w/ precipitation discriminator

// 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 2 ends

07 HDG 070° —CALM —— 5,001'

25 HDG 250° —CALM —— 5,001'

Pattern altitude: 1,781 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 +12°C

2,100FT

+1,319 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV781 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT589 FT

// Performance equivalent Operating here right now feels like operating at KVJI (Virginia Highlands Airport, Abingdon, elev 2,087 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+21%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT055

Scattered · base 5,500 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER5,500 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL14,064 ft VFR MARGINunlimited

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

11:19ZSUNRISE

17:59ZSOLAR NOON

00:38ZSUNSET

01:07ZCIVIL END

CURRENT23:06Z DAYLIGHT REMAINING1h 32m VFR NIGHT BEGINS01:07Z (2h 01m) DAY LENGTH13h 19m

Full Moon

ILLUMINATION99% MOONRISE00:01Z MOONSET13:21Z FULL MOON IN29 days

// Nearest reporting stations

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

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