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// Station · 8m ago

UDYZ

Zvartnots International Airport
CAT VFR
WIND 030° / 19 kt G30
VIS 6+ SM
CEILING Few/scattered only
T/Td 33°C / 18°C
ALTIM 29.83 inHg
ELEV 2,838 FT
40.1489°N / 44.3979°E
LOCATION · Yerevan, AM
N
WIND
030°19 kt
UDYZ · 2,838 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
030°/19G30
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW043
 
 
 
T / Td
33 / 18
 
 
 
ALTIM
29.83"
 
 
 

// Interpretation

VFR with brisk winds at 030°/19 kt, gusting 30. Visibility 6+ SM and a few at 4,300 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 UDYZ 111500Z 03019G30KT 9999 FEW043CB 33/18 Q1010 TEMPO 04024G34KT

UDYZ · day 11 at 15:00 UTC · wind from 030° at 19 kt, gusts to 30 kt · visibility 6+ SM · a few clouds at 4,300 ft · temp 33°C / dewpoint 18°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 030° @ 19 ktG30
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
030°19G30 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
08 HDG 080° H12 kt X15 kt LEFT PRIMARY · 12,631'
TAILWIND ENDS · AVOID 1 ends
26 HDG 260° T12 kt X15 kt RIGHT
Pattern altitude: 3,838 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 +24°C

5,800FT
+2,962 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
6,700 5,250 3,800
24h AGO18h12h6hNOW
FIELD ELEV2,838 FT OAT+33°C ISA DELTA+24°C PRESSURE ALT2,933 FT
// Performance equivalent Your aircraft will perform as if it's at a field 5,800 ft high on a standard ISA day — that's +2,962 ft above UDYZ's actual elevation.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+58%
-41%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+41%
-26%
Light jetCJ4, Phenom 300, M2
+23%
-17%

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 · 19,505 FT FEW043 UDYZ ELEV · 2,838 FT
// Reported layers (highest → lowest)
FEW043
Few · base 4,300 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER4,300 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL19,505 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+3)

01:43ZSUNRISE
09:08ZSOLAR NOON
16:34ZSUNSET
17:06ZCIVIL END
CURRENT15:08Z DAYLIGHT REMAINING1h 25m VFR NIGHT BEGINS17:06Z (1h 57m) DAY LENGTH14h 50m
Waning Crescent
ILLUMINATION11% MOONRISE23:09Z MOONSET14:00Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

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