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// Station · 24m ago

CYSB

Sudbury Airport
CAT VFR
WIND 060° / 5 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 21°C / 14°C
ALTIM 30.15 inHg
ELEV 1,141 FT
46.6250°N / 80.7989°W
LOCATION · Sudbury, CA
N
WIND
060°5 kt
CYSB · 1,141 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
060°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW220
 
 
 
T / Td
21 / 14
 
 
 
ALTIM
30.15"
 
 
 

// Interpretation

VFR with light winds at 060°/5 kt. Visibility better than 10 statute miles and a few 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 111400Z 06005KT 20SM FEW220 21/14 A3015 RMK CI1 SLP212 DENSITY ALT 1900FT

CYSB · day 11 at 14:00 UTC · wind from 060° at 5 kt · visibility 10+ SM · a few clouds at 22,000 ft · temp 21°C / dewpoint 14°C · altimeter 30.15" Hg · sea-level pressure 1021.2 mb

// Runway analysis · computed from current METAR wind

Wind 060° @ 5 kt
2 USABLE · 2 AVOID
N
WIND
060°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
04 HDG 040° H5 kt X2 kt RIGHT PRIMARY · 6,600'
12 HDG 120° H3 kt X4 kt LEFT 5,000'
TAILWIND ENDS · AVOID 2 ends
30 HDG 300° T3 kt X4 kt RIGHT
22 HDG 220° T5 kt X2 kt LEFT
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 +8°C

1,800FT
+659 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -500 FT
3,000 1,900 800
24h AGO18h12h6hNOW
FIELD ELEV1,141 FT OAT+21°C ISA DELTA+8°C PRESSURE ALT908 FT
// Performance equivalent Operating here right now feels like operating at CYLD (Chapleau Airport, Chapleau, elev 1,470 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+18%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,747 FT FEW220 CYSB ELEV · 1,141 FT
// Reported layers (highest → lowest)
FEW220
Few · base 22,000 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER22,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,747 ft VFR MARGINunlimited

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

09:42ZSUNRISE
17:29ZSOLAR NOON
01:17ZSUNSET
01:55ZCIVIL END
CURRENT14:24Z DAYLIGHT REMAINING10h 53m VFR NIGHT BEGINS01:55Z (11h 31m) DAY LENGTH15h 35m
Waning Crescent
ILLUMINATION11% MOONRISE07:06Z MOONSET22:41Z 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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