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// STALE Observation is 1h 2m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 2m ago · STALE

CYTH

Thompson Airport
CAT VFR
WIND 280° / 9 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 8°C / 6°C
ALTIM 29.99 inHg
WX VCSH
ELEV 729 FT
55.8011°N / 97.8642°W
LOCATION · Thompson, CA
N
WIND
280°9 kt
CYTH · 729 FT
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// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
280°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW026 FEW045 SCT080
 
 
 
T / Td
8 / 6
 
 
 
ALTIM
29.99"
 
 
 

// Interpretation

VFR with moderate winds at 280°/9 kt. Visibility better than 10 statute miles and a few at 2,600 ft, a few at 4,500 ft, and scattered at 8,000 ft. Reported weather: showers in the vicinity (VCSH). Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

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SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR CYTH 170000Z 28009KT 15SM VCSH FEW026 FEW045TCU SCT080 08/06 A2999 RMK SC1TCU2AC1 SC TR SLP170

CYTH · day 17 at 00:00 UTC · wind from 280° at 9 kt · visibility 10+ SM · a few clouds at 2,600 ft · a few clouds at 4,500 ft · scattered layer at 8,000 ft · temp 8°C / dewpoint 6°C · altimeter 29.99" Hg · weather: showers in the vicinity (VCSH) · sea-level pressure 1017.0 mb

// Runway analysis · computed from current METAR wind

Wind 280° @ 9 kt
2 USABLE · 2 AVOID · 2 CAUTION
N
WIND
280°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
24 HDG 240° H7 kt X6 kt RIGHT PRIMARY · 5,800'
33 HDG 330° H6 kt X7 kt LEFT ⚠ HIGH XW · 78%
TAILWIND ENDS · AVOID 2 ends
15 HDG 150° T6 kt X7 kt RIGHT
06 HDG 060° T7 kt X6 kt LEFT
Pattern altitude: 1,729 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 -6°C

-0FT
-729 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV729 FT OAT+8°C ISA DELTA-6°C PRESSURE ALT655 FT
// Performance equivalent Operating here right now feels like operating at CYYQ (Churchill Airport, Churchill, elev 94 ft) on a standard ISA day.
// Aircraft performance impact ENHANCED
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+0%
-0%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+0%
-0%
Light jetCJ4, Phenom 300, M2
+0%
-0%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 4,769 FT FEW026 FEW045 SCT080 CYTH ELEV · 729 FT
// Reported layers (highest → lowest)
SCT080
Scattered · base 8,000 ft AGL · ~3–4 oktas
FEW045
Few · base 4,500 ft AGL · ~1–2 oktas
FEW026
Few · base 2,600 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER8,000 ft TOTAL COVERAGE~56% (mixed) FREEZING LEVEL4,769 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

12:06ZSUNRISE
18:27ZSOLAR NOON
00:49ZSUNSET
01:26ZCIVIL END
CURRENT01:02Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:26Z (23m) DAY LENGTH12h 42m
Waxing Crescent
ILLUMINATION28% MOONRISE16:19Z MOONSET05:02Z FULL MOON IN10 days

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