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// Station · 12m ago

KRPJ

Rochelle Municipal Airport - Koritz Field
CAT VFR
WIND 100° / 12 kt
VIS 10+ SM
CEILING CLR
T/Td 26.5°C / 7.5°C
ALTIM 30.07 inHg
ELEV 781 FT
41.8930°N / 89.0783°W
LOCATION · Rochelle, US
N
WIND
100°12 kt
KRPJ · 781 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
100°/12
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
27 / 8
 
 
 
ALTIM
30.07"
 
 
 

// Interpretation

VFR with moderate winds at 100°/12 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 KRPJ 301915Z AUTO 10012KT 10SM CLR 27/08 A3007 RMK AO2 T02650075

KRPJ · day 30 at 19:15 UTC · wind from 100° at 12 kt · visibility 10+ SM · temp 27°C / dewpoint 8°C · altimeter 30.07" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 100° @ 12 kt
1 USABLE · 1 AVOID
N
WIND
100°12 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
07 HDG 070° H10 kt X6 kt RIGHT PRIMARY · 5,001'
TAILWIND ENDS · AVOID 1 ends
25 HDG 250° T10 kt X6 kt LEFT
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 +13°C

2,200FT
+1,419 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
2,900 1,650 400
24h AGO18h12h6hNOW
FIELD ELEV781 FT OAT+27°C ISA DELTA+13°C PRESSURE ALT628 FT
// Performance equivalent Operating here right now feels like operating at KBUB (Cram Field, Burwell, elev 2,182 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+22%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%

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 · 14,165 FT KRPJ ELEV · 781 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL14,165 ft VFR MARGINunlimited

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

10:26ZSUNRISE
17:55ZSOLAR NOON
01:24ZSUNSET
01:57ZCIVIL END
CURRENT19:27Z DAYLIGHT REMAINING5h 56m VFR NIGHT BEGINS01:57Z (6h 30m) DAY LENGTH14h 58m
Full Moon
ILLUMINATION99% MOONRISE21:52Z MOONSET12:51Z 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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