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// Station · 18m ago

KO05

Rogers Field
CAT VFR
WIND 100° / 6 kt
VIS 10+ SM
CEILING BKN at 9,000 ft
T/Td 27°C / 11°C
ALTIM 30.20 inHg
ELEV 4,528 FT
40.2824°N / 121.2410°W
LOCATION · Chester, US
N
WIND
100°6 kt
KO05 · 4,528 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
100°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN090
 
 
 
LAYERS
FEW080 BKN090
 
 
 
T / Td
27 / 11
 
 
 
ALTIM
30.20"
 
 
 

// Interpretation

VFR — ceiling 9,000 ft. Light winds at 100°/6 kt, visibility better than 10 statute miles, a few at 8,000 ft, and broken at 9,000 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 KO05 142155Z AUTO 10006KT 10SM FEW080 BKN090 27/11 A3020 RMK A01

KO05 · day 14 at 21:55 UTC · wind from 100° at 6 kt · visibility 10+ SM · a few clouds at 8,000 ft · broken layer at 9,000 ft · temp 27°C / dewpoint 11°C · altimeter 30.20" Hg

// Runway analysis · computed from current METAR wind

Wind 100° @ 6 kt
2 USABLE · 2 AVOID
N
WIND
100°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
05 HDG 050° H4 kt X5 kt RIGHT PRIMARY · 5,320'
16 HDG 160° H3 kt X5 kt LEFT 5,020'
TAILWIND ENDS · AVOID 2 ends
34 HDG 340° T3 kt X5 kt RIGHT
23 HDG 230° T4 kt X5 kt LEFT
Pattern altitude: 5,528 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 +20°C

6,700FT
+2,172 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
7,400 6,350 5,300
24h AGO18h12h6hNOW
FIELD ELEV4,528 FT OAT+27°C ISA DELTA+20°C PRESSURE ALT4,245 FT
// Performance equivalent Operating here right now feels like operating at KL35 (Big Bear City Airport, Big Bear, elev 6,752 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+67%
-47%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+47%
-30%
Light jetCJ4, Phenom 300, M2
+27%
-20%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 18,164 FT FEW080 BKN090 · CEILING KO05 ELEV · 4,528 FT
// Reported layers (highest → lowest)
BKN090
Broken · base 9,000 ft AGL · ~5–7 oktas
FEW080
Few · base 8,000 ft AGL · ~1–2 oktas
// Computed
CEILING9,000 ft AGL HIGHEST LAYER9,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL18,164 ft VFR MARGIN+6,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-8)

12:48ZSUNRISE
20:11ZSOLAR NOON
03:35ZSUNSET
04:07ZCIVIL END
CURRENT22:13Z DAYLIGHT REMAINING5h 22m VFR NIGHT BEGINS04:07Z (5h 54m) DAY LENGTH14h 47m
New Moon
ILLUMINATION0% MOONRISE12:54Z MOONSET03:42Z FULL MOON IN15 days

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

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

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