// Station · 32m ago

UDSG

Shirak International Airport

CAT VFR

WIND 070° / 17 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 27°C / 18°C

ALTIM 30.09 inHg

ELEV 5,000 FT

40.7504°N / 43.8593°E

LOCATION · Gyumri, AM

WIND

070°17 kt

UDSG · 5,000 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

070°/17

VIS

6+ SM

CEILING

—

LAYERS

FEW049

T / Td

27 / 18

ALTIM

30.09"

// Interpretation

VFR with brisk winds at 070°/17 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 111330Z 07017KT 9999 FEW049CB 27/18 Q1019 NOSIG

UDSG · day 11 at 13:30 UTC · wind from 070° at 17 kt · visibility 6+ SM · a few clouds at 4,900 ft · temp 27°C / dewpoint 18°C · altimeter 30.09" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 17 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

070°17 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

02★ HDG 020° H11 kt X13 kt RIGHT PRIMARY · 10,564'

TAILWIND ENDS · AVOID 1 ends

20 HDG 200° T11 kt X13 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 +22°C

7,400FT

+2,400 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV5,000 FT OAT+27°C ISA DELTA+22°C PRESSURE ALT4,829 FT

// Performance equivalent Your aircraft will perform as if it's at a field 7,400 ft high on a standard ISA day — that's +2,400 ft above UDSG's actual elevation.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+74%

-52%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+52%

-33%

Light jetCJ4, Phenom 300, M2

+30%

-22%

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 LEVEL18,636 ft VFR MARGINunlimited

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

01:43ZSUNRISE

09:11ZSOLAR NOON

16:38ZSUNSET

17:10ZCIVIL END

CURRENT14:02Z DAYLIGHT REMAINING2h 35m VFR NIGHT BEGINS17:10Z (3h 08m) DAY LENGTH14h 54m

Waning Crescent

ILLUMINATION11% MOONRISE23:07Z MOONSET14:01Z FULL MOON IN18 days

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

LTCF

VFR

Kars Airport · Kars

WIND: 050° / 12 kt
VIS: 6+ SM
CEILING: SCT040
DIST: 36 NM W
AGE: 12m ago

UDYZ

VFR

Zvartnots International Airport · Yerevan

WIND: 180° / 6 kt
VIS: 6+ SM
CEILING: FEW043
DIST: 44 NM SE
AGE: 32m ago

LTCT

VFR

Iğdır Airport · Iğdır

WIND: VRB / 3 kt
VIS: 6+ SM
CEILING: FEW040
DIST: 46 NM S
AGE: 12m ago

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

AIRSPACE

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