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// Station · 8m ago

CYHM

John C. Munro Hamilton International Airport
CAT VFR
WIND 030° / 9 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 23°C / 19°C
ALTIM 30.04 inHg
ELEV 780 FT
43.1735°N / 79.9312°W
LOCATION · Hamilton, CA
N
WIND
030°9 kt
CYHM · 780 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
030°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW220
 
 
 
T / Td
23 / 19
 
 
 
ALTIM
30.04"
 
 
 

// Interpretation

VFR with moderate winds at 030°/9 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 CYHM 111300Z 03009KT 15SM FEW220 23/19 A3004 RMK CI1 CI TR SLP172 DENSITY ALT 1800FT

CYHM · day 11 at 13:00 UTC · wind from 030° at 9 kt · visibility 10+ SM · a few clouds at 22,000 ft · temp 23°C / dewpoint 19°C · altimeter 30.04" Hg · sea-level pressure 1017.2 mb

// Runway analysis · computed from current METAR wind

Wind 030° @ 9 kt
3 USABLE · 1 AVOID · 2 CAUTION
N
WIND
030°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
06 HDG 060° H8 kt X4 kt LEFT PRIMARY · 6,010'
12 HDG 120° H0 kt X9 kt LEFT ⚠ HIGH XW · 100%
30 HDG 300° H0 kt X9 kt RIGHT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 1 ends
24 HDG 240° T8 kt X5 kt RIGHT
Pattern altitude: 1,780 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 +9°C

1,800FT
+1,020 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
2,500 1,700 900
24h AGO18h12h6hNOW
FIELD ELEV780 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT656 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 · 12,396 FT FEW220 CYHM ELEV · 780 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 LEVEL12,396 ft VFR MARGINunlimited

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

09:51ZSUNRISE
17:26ZSOLAR NOON
01:01ZSUNSET
01:35ZCIVIL END
CURRENT13:08Z DAYLIGHT REMAINING11h 52m VFR NIGHT BEGINS01:35Z (12h 27m) DAY LENGTH15h 09m
Waning Crescent
ILLUMINATION11% MOONRISE07:13Z MOONSET22:22Z FULL MOON IN18 days

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

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

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