// Station · 11m ago

UDSG

Shirak International Airport

CAT VFR

WIND 070° / 15 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 28°C / 18°C

ALTIM 30.06 inHg

ELEV 5,000 FT

40.7504°N / 43.8593°E

LOCATION · Gyumri, AM

WIND

070°15 kt

UDSG · 5,000 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

070°/15

VIS

6+ SM

CEILING

—

LAYERS

FEW049

T / Td

28 / 18

ALTIM

30.06"

// Interpretation

VFR with brisk winds at 070°/15 kt. Visibility 6+ SM and a few at 4,900 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 UDSG 111300Z 07015KT 9999 FEW049CB 28/18 Q1018 NOSIG

UDSG · day 11 at 13:00 UTC · wind from 070° at 15 kt · visibility 6+ SM · a few clouds at 4,900 ft · temp 28°C / dewpoint 18°C · altimeter 30.06" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 15 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

070°15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

02★ HDG 020° H10 kt X11 kt RIGHT PRIMARY · 10,564'

TAILWIND ENDS · AVOID 1 ends

20 HDG 200° T10 kt X11 kt LEFT —

Pattern altitude: 6,000 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 +23°C

7,600FT

+2,600 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +0 FT

24h AGO18h12h6hNOW

FIELD ELEV5,000 FT OAT+28°C ISA DELTA+23°C PRESSURE ALT4,858 FT

// Performance equivalent Your aircraft will perform as if it's at a field 7,600 ft high on a standard ISA day — that's +2,600 ft above UDSG's actual elevation.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+76%

-53%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+53%

-34%

Light jetCJ4, Phenom 300, M2

+30%

-23%

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

// Reported layers (highest → lowest)

FEW049

Few · base 4,900 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER4,900 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL19,141 ft VFR MARGINunlimited

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

01:43ZSUNRISE

09:11ZSOLAR NOON

16:38ZSUNSET

17:10ZCIVIL END

CURRENT13:11Z DAYLIGHT REMAINING3h 26m VFR NIGHT BEGINS17:10Z (3h 59m) DAY LENGTH14h 54m

Waning Crescent

ILLUMINATION11% MOONRISE23:05Z MOONSET14:00Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 60 NM radius

LTCF

VFR

Kars Airport · Kars

WIND: 060° / 11 kt
VIS: 6+ SM
CEILING: FEW040
DIST: 36 NM W
AGE: 21m ago

UDYZ

VFR

Zvartnots International Airport · Yerevan

WIND: 170° / 5 kt
VIS: 6+ SM
CEILING: FEW043
DIST: 44 NM SE
AGE: 11m ago

LTCT

VFR

Iğdır Airport · Iğdır

WIND: 070° / 4 kt
VIS: 6+ SM
CEILING: BKN180
DIST: 46 NM S
AGE: 21m ago

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

AIRSPACE

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