// Station · 20m ago

UUBC

Grabtsevo Airport

CAT MVFR

WIND 340° / 6 kt

VIS 6+ SM

CEILING BKN at 3,000 ft

T/Td 9°C / 8°C

ALTIM 29.44 inHg

WX -SHRA

ELEV 656 FT

54.5500°N / 36.3667°E

LOCATION · Kaluga, RU

WIND

340°6 kt

UUBC · 656 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

340°/6

VIS

6+ SM

CEILING

BKN030

LAYERS

BKN030

T / Td

9 / 8

ALTIM

29.44"

// Interpretation

MVFR — ceiling 3,000 ft. Light winds at 340°/6 kt, visibility 6+ SM, broken at 3,000 ft. Reported weather: -SHRA. 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

METAR UUBC 271030Z 34003MPS 310V020 9999 -SHRA BKN030CB 09/08 Q0997 RETS R31/290151 NOSIG RMK QFE731/0975

UUBC · day 27 at 10:30 UTC · wind from 340° at 6 kt · visibility 6+ SM · broken layer at 3,000 ft · temp 9°C / dewpoint 8°C · altimeter 29.44" Hg · weather: -SHRA

// Runway analysis · computed from current METAR wind

Wind 340° @ 6 kt

1 USABLE · 1 AVOID

WIND

340°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

31★ HDG 310° H5 kt X3 kt RIGHT PRIMARY · 6,885'

TAILWIND ENDS · AVOID 1 ends

13 HDG 130° T5 kt X3 kt LEFT —

Pattern altitude: 1,656 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 -4°C

700FT

+44 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -200 FT

24h AGO18h12h6hNOW

FIELD ELEV656 FT OAT+9°C ISA DELTA-4°C PRESSURE ALT1,135 FT

// Performance equivalent Operating here right now feels like operating at UUWW (Vnukovo International Airport, Moscow, elev 685 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+7%

-5%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+5%

-3%

Light jetCJ4, Phenom 300, M2

+3%

-2%

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)

BKN030

Broken · base 3,000 ft AGL · ~5–7 oktas

// Computed

CEILING3,000 ft AGL HIGHEST LAYER3,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL5,201 ft VFR MARGIN+0 ft

// Sun & Moon · times in Z · bar = local day (UTC+2)

01:13ZSUNRISE

09:33ZSOLAR NOON

17:53ZSUNSET

18:43ZCIVIL END

CURRENT10:50Z DAYLIGHT REMAINING7h 02m VFR NIGHT BEGINS18:43Z (7h 53m) DAY LENGTH16h 39m

Waxing Gibbous

ILLUMINATION83% MOONRISE09:55Z MOONSET02:35Z FULL MOON IN4 days

// Nearest reporting stations · 4 shown · 100 NM (sparse area)

UUWW

MVFR

Vnukovo International Airport · Moscow

WIND: 300° / 10 kt
VIS: 6+ SM
CEILING: BKN029
DIST: 70 NM NE
AGE: 20m ago

UUDD

MVFR

Domodedovo International Airport · Moscow

WIND: 250° / 8 kt
VIS: 4.3 SM
CEILING: BKN040
DIST: 74 NM NE
AGE: 5m ago

UUBW

VFR

Zhukovsky International Airport · Moscow

WIND: 300° / 12 kt
VIS: 6+ SM
CEILING: SCT033
DIST: 86 NM NE
AGE: 20m ago

UUEE

VFR

Sheremetyevo International Airport · Moscow

WIND: 320° / 8 kt
VIS: 6+ SM
CEILING: SCT015
DIST: 93 NM N
AGE: 20m ago

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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