// Station · 19m ago

LKKB

Prague–Kbely Air Base

CAT VFR

WIND 050° / 11 kt

VIS 6+ SM

CEILING CLR

T/Td 20°C / 12°C

ALTIM 29.97 inHg

ELEV 939 FT

50.1214°N / 14.5436°E

LOCATION · Prague, CZ

WIND

050°11 kt

LKKB · 939 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

050°/11

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

20 / 12

ALTIM

29.97"

// Interpretation

VFR with moderate winds at 050°/11 kt. Visibility 6+ SM and no reported cloud layers. 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 LKKB 251600Z 05011KT CAVOK 20/12 Q1015 NOSIG

LKKB · day 25 at 16:00 UTC · wind from 050° at 11 kt · visibility 6+ SM · temp 20°C / dewpoint 12°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 050° @ 11 kt

1 USABLE · 1 AVOID

WIND

050°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

06★ HDG 060° H11 kt X2 kt LEFT PRIMARY · 6,562'

TAILWIND ENDS · AVOID 1 ends

24 HDG 240° T11 kt X2 kt RIGHT —

Pattern altitude: 1,939 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 +7°C

1,700FT

+761 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV939 FT OAT+20°C ISA DELTA+7°C PRESSURE ALT886 FT

// Performance equivalent Operating here right now feels like operating at LKPR (Václav Havel Airport Prague, Prague, elev 1,247 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL11,040 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

04:07ZSUNRISE

11:05ZSOLAR NOON

18:03ZSUNSET

18:38ZCIVIL END

CURRENT16:19Z DAYLIGHT REMAINING1h 44m VFR NIGHT BEGINS18:38Z (2h 19m) DAY LENGTH13h 56m

Waxing Gibbous

ILLUMINATION94% MOONRISE14:09Z MOONSET04:06Z FULL MOON IN2 days

// Nearest reporting stations

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

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