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// Station · 16m ago

CYSB

Sudbury Airport
CAT VFR
WIND 080° / 6 kt
VIS 10+ SM
CEILING BKN at 22,000 ft
T/Td 23°C / 8°C
ALTIM 30.16 inHg
ELEV 1,141 FT
46.6250°N / 80.7989°W
LOCATION · Sudbury, CA
N
WIND
080°6 kt
CYSB · 1,141 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
080°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN220
 
 
 
LAYERS
FEW070 BKN220
 
 
 
T / Td
23 / 8
 
 
 
ALTIM
30.16"
 
 
 

// Interpretation

VFR — ceiling 22,000 ft. Light winds at 080°/6 kt, visibility better than 10 statute miles, a few at 7,000 ft, and broken at 22,000 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 CYSB 111600Z 08006KT 360V100 20SM FEW070 BKN220 23/08 A3016 RMK AC2CC4 SLP215 DENSITY ALT 2200FT

CYSB · day 11 at 16:00 UTC · wind from 080° at 6 kt · visibility 10+ SM · a few clouds at 7,000 ft · broken layer at 22,000 ft · temp 23°C / dewpoint 8°C · altimeter 30.16" Hg · sea-level pressure 1021.5 mb

// Runway analysis · computed from current METAR wind

Wind 080° @ 6 kt
2 USABLE · 2 AVOID
N
WIND
080°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
04 HDG 040° H5 kt X4 kt RIGHT PRIMARY · 6,600'
12 HDG 120° H5 kt X4 kt LEFT 5,000'
TAILWIND ENDS · AVOID 2 ends
22 HDG 220° T5 kt X4 kt LEFT
30 HDG 300° T5 kt X4 kt RIGHT
Pattern altitude: 2,141 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 +10°C

2,100FT
+959 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -400 FT
3,000 1,900 800
24h AGO18h12h6hNOW
FIELD ELEV1,141 FT OAT+23°C ISA DELTA+10°C PRESSURE ALT899 FT
// Performance equivalent Operating here right now feels like operating at CYWK (Wabush Airport, Wabush, elev 1,808 ft) on a standard ISA day.
// Aircraft performance impact MINOR
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.

// Cloud layers · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,757 FT FEW070 BKN220 · CEILING CYSB ELEV · 1,141 FT
// Reported layers (highest → lowest)
BKN220
Broken · base 22,000 ft AGL · ~5–7 oktas
FEW070
Few · base 7,000 ft AGL · ~1–2 oktas
// Computed
CEILING22,000 ft AGL HIGHEST LAYER22,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL12,757 ft VFR MARGIN+19,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:42ZSUNRISE
17:29ZSOLAR NOON
01:17ZSUNSET
01:55ZCIVIL END
CURRENT16:16Z DAYLIGHT REMAINING9h 00m VFR NIGHT BEGINS01:55Z (9h 39m) DAY LENGTH15h 35m
Waning Crescent
ILLUMINATION11% MOONRISE07:10Z MOONSET22:45Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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