// Station · 18m ago

LFBM

Mont-de-Marsan (BA 118) Air Base

CAT VFR

WIND 320° / 9 kt

VIS 6+ SM

CEILING CLR

T/Td 28°C / 17°C

ALTIM 29.91 inHg

ELEV 203 FT

43.9117°N / 0.5075°W

LOCATION · Mont-de-Marsan, FR

WIND

320°9 kt

LFBM · 203 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

320°/9

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

28 / 17

ALTIM

29.91"

// Interpretation

VFR with moderate winds at 320°/9 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 LFBM 251600Z AUTO 32009KT 300V360 CAVOK 28/17 Q1013 NOSIG

LFBM · day 25 at 16:00 UTC · wind from 320° at 9 kt · visibility 6+ SM · temp 28°C / dewpoint 17°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind 320° @ 9 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

320°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

27★ HDG 270° H6 kt X7 kt RIGHT PRIMARY · 11,821'

TAILWIND ENDS · AVOID 1 ends

09 HDG 090° T6 kt X7 kt LEFT —

Pattern altitude: 1,203 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 +13°C

1,800FT

+1,597 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV203 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT209 FT

// Performance equivalent Operating here right now feels like operating at LFBK (Montluçon-Guéret Airport, Lépaud, Creuse, elev 1,497 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-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 LEVEL14,344 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+0)

05:18ZSUNRISE

12:05ZSOLAR NOON

18:52ZSUNSET

19:23ZCIVIL END

CURRENT16:18Z DAYLIGHT REMAINING2h 34m VFR NIGHT BEGINS19:23Z (3h 04m) DAY LENGTH13h 34m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:21Z MOONSET04:55Z 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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