// Station · 5m ago

UMBB

Brest International Airport

CAT VFR

WIND 300° / 10 kt G16

VIS 6+ SM

CEILING BKN at 4,600 ft

T/Td 18°C / 14°C

ALTIM 29.94 inHg

ELEV 468 FT

52.1081°N / 23.8968°E

LOCATION · Brest, BY

WIND

300°10 kt

UMBB · 468 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

300°/10G16

VIS

6+ SM

CEILING

BKN046

LAYERS

BKN046

T / Td

18 / 14

ALTIM

29.94"

// Interpretation

VFR — ceiling 4,600 ft. Moderate winds at 300°/10 kt, gusting 16, visibility 6+ SM, broken at 4,600 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 UMBB 111400Z 30005G08MPS 9999 BKN046CB 18/14 Q1014 NOSIG

UMBB · day 11 at 14:00 UTC · wind from 300° at 10 kt, gusts to 16 kt · visibility 6+ SM · broken layer at 4,600 ft · temp 18°C / dewpoint 14°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 300° @ 10 ktG16

1 USABLE · 1 AVOID

WIND

300°10G16 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

29★ HDG 290° H10 kt X2 kt RIGHT PRIMARY · 8,596'

TAILWIND ENDS · AVOID 1 ends

11 HDG 110° T10 kt X2 kt LEFT —

Pattern altitude: 1,468 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

900FT

+432 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +0 FT

24h AGO18h12h6hNOW

FIELD ELEV468 FT OAT+18°C ISA DELTA+4°C PRESSURE ALT445 FT

// Performance equivalent Operating here right now feels like operating at UMMS (Minsk National Airport, Minsk, elev 670 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+9%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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)

BKN046

Broken · base 4,600 ft AGL · ~5–7 oktas

// Computed

CEILING4,600 ft AGL HIGHEST LAYER4,600 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL9,559 ft VFR MARGIN+1,600 ft

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

02:17ZSUNRISE

10:30ZSOLAR NOON

18:43ZSUNSET

19:30ZCIVIL END

CURRENT14:05Z DAYLIGHT REMAINING4h 38m VFR NIGHT BEGINS19:30Z (5h 25m) DAY LENGTH16h 25m

Waning Crescent

ILLUMINATION11% MOONRISE23:41Z MOONSET16:07Z FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 100 NM (sparse area)

EPLB

VFR

Lublin Airport · Lublin

WIND: 300° / 13 kt
VIS: 6+ SM
CEILING: FEW045
DIST: 68 NM SW
AGE: 5m ago

UMMG

VFR

Hrodna Airport · Hrodna

WIND: 330° / 8 ktG14
VIS: 6+ SM
CEILING: BKN033
DIST: 90 NM N
AGE: 1h 5m ago

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

AIRSPACE

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