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// Station · 22m ago

CYZH

Slave Lake Airport
CAT VFR
WIND VRB / 3 kt
VIS 9.0 SM
CEILING OVC at 9,100 ft
T/Td 16°C / 14°C
ALTIM 29.82 inHg
WX -RA
ELEV 1,912 FT
55.2929°N / 114.7773°W
LOCATION · Slave Lake, CA
N
WIND
VRB3 kt
CYZH · 1,912 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
VRB/3
 
 
 
VIS
9.0 SM
 
 
 
CEILING
OVC091
 
 
 
LAYERS
FEW045 OVC091
 
 
 
T / Td
16 / 14
 
 
 
ALTIM
29.82"
 
 
 

// Interpretation

VFR — ceiling 9,100 ft. Light winds at variable/3 kt, visibility 9.0 SM, a few at 4,500 ft, and overcast at 9,100 ft. Reported weather: -RA. 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 CYZH 111900Z AUTO VRB03KT 9SM -RA FEW045 OVC091 16/14 A2982 RMK SLP105 DENSITY ALT 2700FT

CYZH · day 11 at 19:00 UTC · wind variable at 3 kt · visibility 9.0 SM · a few clouds at 4,500 ft · overcast at 9,100 ft · temp 16°C / dewpoint 14°C · altimeter 29.82" Hg · weather: -RA · sea-level pressure 1010.5 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
VRB3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
10 HDG 100° CALM 5,561'
28 HDG 280° CALM 5,561'
Pattern altitude: 2,912 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 +5°C

2,600FT
+688 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -600 FT
3,500 2,750 2,000
24h AGO18h12h6hNOW
FIELD ELEV1,912 FT OAT+16°C ISA DELTA+5°C PRESSURE ALT2,010 FT
// Performance equivalent Operating here right now feels like operating at CYCT (Coronation Airport, Coronation, elev 2,595 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+26%
-18%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+18%
-12%
Light jetCJ4, Phenom 300, M2
+10%
-8%

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 · 9,993 FT FEW045 OVC091 · CEILING CYZH ELEV · 1,912 FT
// Reported layers (highest → lowest)
OVC091
Overcast · base 9,100 ft AGL · 8 oktas
FEW045
Few · base 4,500 ft AGL · ~1–2 oktas
// Computed
CEILING9,100 ft AGL HIGHEST LAYER9,100 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL9,993 ft VFR MARGIN+6,100 ft

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

11:14ZSUNRISE
19:45ZSOLAR NOON
04:17ZSUNSET
05:12ZCIVIL END
CURRENT19:22Z DAYLIGHT REMAINING8h 54m VFR NIGHT BEGINS05:12Z (9h 49m) DAY LENGTH17h 02m
Waning Crescent
ILLUMINATION10% MOONRISE08:48Z MOONSET01:51Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 150 NM (sparse area)

// Area map · 140 NM radius · CartoDB Dark Matter + aeronautical overlay

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