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// Station · 58m ago

CYTH

Thompson Airport
CAT VFR
WIND VRB / 2 kt
VIS 10+ SM
CEILING BKN at 12,000 ft
T/Td 16°C / 15°C
ALTIM 29.89 inHg
ELEV 729 FT
55.8011°N / 97.8642°W
LOCATION · Thompson, CA
N
WIND
VRB2 kt
CYTH · 729 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
VRB/2
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN120
 
 
 
LAYERS
BKN120 BKN250
 
 
 
T / Td
16 / 15
 
 
 
ALTIM
29.89"
 
 
 

// Interpretation

VFR — ceiling 12,000 ft. Light winds at variable/2 kt, visibility better than 10 statute miles, broken at 12,000 ft, and broken at 25,000 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 CYTH 111300Z VRB02KT 15SM BKN120 BKN250 16/15 A2989 RMK AC5CI1 CI TR SLP129 DENSITY ALT 1100FT

CYTH · day 11 at 13:00 UTC · wind variable at 2 kt · visibility 10+ SM · broken layer at 12,000 ft · broken layer at 25,000 ft · temp 16°C / dewpoint 15°C · altimeter 29.89" Hg · sea-level pressure 1012.9 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt
ALL USABLE · WINDS CALM
N
WIND
VRB2 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
06 HDG 060° CALM 5,800'
24 HDG 240° CALM 5,800'
15 HDG 150° CALM 5,079'
33 HDG 330° CALM 5,079'
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 +2°C

1,100FT
+371 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +200 FT
1,600 1,000 400
24h AGO18h12h6hNOW
FIELD ELEV729 FT OAT+16°C ISA DELTA+2°C PRESSURE ALT756 FT
// Performance equivalent Operating here right now feels like operating at CZJN (Swan River Airport, Swan River, elev 1,100 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+11%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+4%
-3%

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 · 8,810 FT BKN120 · CEILING BKN250 CYTH ELEV · 729 FT
// Reported layers (highest → lowest)
BKN250
Broken · base 25,000 ft AGL · ~5–7 oktas
BKN120
Broken · base 12,000 ft AGL · ~5–7 oktas
// Computed
CEILING12,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL8,810 ft VFR MARGIN+9,000 ft

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

10:03ZSUNRISE
18:38ZSOLAR NOON
03:12ZSUNSET
04:09ZCIVIL END
CURRENT13:58Z DAYLIGHT REMAINING13h 13m VFR NIGHT BEGINS04:09Z (14h 10m) DAY LENGTH17h 09m
Waning Crescent
ILLUMINATION11% MOONRISE07:26Z MOONSET00:36Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of CYTH.

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

© OpenStreetMap · CartoDB · OpenAIP
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