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// Station · 59m ago

CYSF

Stony Rapids Airport
CAT VFR
WIND 070° / 8 kt
VIS 9.0 SM
CEILING BKN at 17,000 ft
T/Td 11°C / 6°C
ALTIM 30.03 inHg
ELEV 805 FT
59.2503°N / 105.8410°W
LOCATION · Stony Rapids, CA
N
WIND
070°8 kt
CYSF · 805 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
070°/8
 
 
 
VIS
9.0 SM
 
 
 
CEILING
BKN170
 
 
 
LAYERS
BKN170
 
 
 
T / Td
11 / 6
 
 
 
ALTIM
30.03"
 
 
 

// Interpretation

VFR — ceiling 17,000 ft. Moderate winds at 070°/8 kt, visibility 9.0 SM, broken at 17,000 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 CYSF 271200Z AUTO 07008KT 9SM BKN170 11/06 A3003 RMK SLP179

CYSF · day 27 at 12:00 UTC · wind from 070° at 8 kt · visibility 9.0 SM · broken layer at 17,000 ft · temp 11°C / dewpoint 6°C · altimeter 30.03" Hg · sea-level pressure 1017.9 mb

// Runway analysis · computed from current METAR wind

Wind 070° @ 8 kt
1 USABLE · 1 AVOID
N
WIND
070°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
06 HDG 060° H8 kt X1 kt RIGHT PRIMARY · 5,050'
TAILWIND ENDS · AVOID 1 ends
24 HDG 240° T8 kt X1 kt LEFT
Pattern altitude: 1,805 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 -3°C

400FT
-405 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↗ +600 FT
1,600 550 -500
24h AGO18h12h6hNOW
FIELD ELEV805 FT OAT+11°C ISA DELTA-3°C PRESSURE ALT693 FT
// Performance equivalent Operating here right now feels like operating at CZFD (Fond-du-Lac Airport, Fond-du-Lac, elev 814 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+4%
-3%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+3%
-2%
Light jetCJ4, Phenom 300, M2
+2%
-1%

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 · 6,361 FT BKN170 · CEILING CYSF ELEV · 805 FT
// Reported layers (highest → lowest)
BKN170
Broken · base 17,000 ft AGL · ~5–7 oktas
// Computed
CEILING17,000 ft AGL HIGHEST LAYER17,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL6,361 ft VFR MARGIN+14,000 ft

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

10:08ZSUNRISE
19:01ZSOLAR NOON
03:55ZSUNSET
05:06ZCIVIL END
CURRENT12:59Z DAYLIGHT REMAINING14h 55m VFR NIGHT BEGINS05:06Z (16h 06m) DAY LENGTH17h 46m
Waxing Gibbous
ILLUMINATION83% MOONRISE18:55Z MOONSET12:42Z FULL MOON IN4 days

// Nearest reporting stations · 1 shown · 150 NM (sparse area)

// Area map · 120 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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