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// Station · 9m ago

CYYT

St. John's International Airport
CAT MVFR
WIND 010° / 14 kt G30
VIS 8.0 SM
CEILING BKN at 1,100 ft
T/Td 2°C / 1°C
ALTIM 29.56 inHg
WX -RA -SN
ELEV 461 FT
47.6186°N / 52.7519°W
LOCATION · St. John's, CA
N
WIND
010°14 kt
CYYT · 461 FT
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// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 02Z
+6H
+12H
+18H
WIND
010°/14G30
 
 
 
VIS
8.0 SM
 
 
 
CEILING
BKN011
 
 
 
LAYERS
SCT008 BKN011 OVC110
 
 
 
T / Td
2 / 1
 
 
 
ALTIM
29.56"
 
 
 

// Interpretation

MVFR — ceiling 1,100 ft. Brisk winds at 010°/14 kt, gusting 30, visibility 8.0 SM, scattered at 800 ft, broken at 1,100 ft, and overcast at 11,000 ft. Reported weather: light rain and light snow (-RA -SN). Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

SPECI CYYT 130217Z 01014G30KT 8SM -RASN SCT008 BKN011 OVC110 02/01 A2956 RMK ST3SC4AC1 SLP015

CYYT · day 13 at 02:17 UTC · wind from 010° at 14 kt, gusts to 30 kt · visibility 8.0 SM · scattered layer at 800 ft · broken layer at 1,100 ft · overcast at 11,000 ft · temp 2°C / dewpoint 1°C · altimeter 29.56" Hg · weather: light rain and light snow (-RA -SN) · sea-level pressure 1001.5 mb

// Runway analysis · computed from current METAR wind

Wind 010° @ 14 ktG30
3 USABLE · 1 AVOID · 2 CAUTION
N
WIND
010°14G30 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
34★ HDG 340° H12 kt X7 kt RIGHT PRIMARY · 7,005'
10 HDG 100° H0 kt X14 kt LEFT ⚠ HIGH XW · 47%
28 HDG 280° H0 kt X14 kt RIGHT ⚠ HIGH XW · 47%
TAILWIND ENDS · AVOID 1 ends
16 HDG 160° T12 kt X7 kt LEFT —
Pattern altitude: 1,461 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 -11°C

-500FT
-961 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV461 FT OAT+2°C ISA DELTA-11°C PRESSURE ALT819 FT
// Performance equivalent Your aircraft will perform as if it's at a field -500 ft high on a standard ISA day — that's -961 ft above CYYT's actual elevation.
// 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 · 1,471 FT SCT008 BKN011 · CEILING OVC110 CYYT ELEV · 461 FT
// Reported layers (highest → lowest)
OVC110
Overcast · base 11,000 ft AGL · 8 oktas
BKN011
Broken · base 1,100 ft AGL · ~5–7 oktas
SCT008
Scattered · base 800 ft AGL · ~3–4 oktas
// Computed
CEILING1,100 ft AGL HIGHEST LAYER11,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL1,471 ft VFR MARGIN-1,900 ft

// Sun & Moon · times in Z · bar = local day (UTC-4)

09:46ZSUNRISE
15:18ZSOLAR NOON
20:51ZSUNSET
21:21ZCIVIL END
CURRENT02:26Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS21:21Z (past) DAY LENGTH11h 04m
Waxing Crescent
ILLUMINATION3% MOONRISE11:10Z MOONSET22:14Z FULL MOON IN13 days

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

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