// Station · 27m ago

KBOS

Boston Logan International Airport

CAT VFR

WIND 260° / 8 kt G15

VIS 10+ SM

CEILING Few/scattered only

T/Td 26.7°C / 13.3°C

ALTIM 29.90 inHg

ELEV 20 FT

42.3620°N / 71.0079°W

LOCATION · Boston, US

WIND

260°8 kt

KBOS · 20 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

260°/8G15

VIS

10+ SM

CEILING

—

LAYERS

SCT055 SCT085

T / Td

27 / 13

ALTIM

29.90"

// Interpretation

VFR with moderate winds at 260°/8 kt, gusting 15. Visibility better than 10 statute miles and scattered at 5,500 ft, and scattered at 8,500 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 KBOS 251954Z 26008G15KT 10SM SCT055 SCT085 27/13 A2990 RMK AO2 SLP123 T02670133

KBOS · day 25 at 19:54 UTC · wind from 260° at 8 kt, gusts to 15 kt · visibility 10+ SM · scattered layer at 5,500 ft · scattered layer at 8,500 ft · temp 27°C / dewpoint 13°C · altimeter 29.90" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.3 mb

// Runway analysis · computed from current METAR wind

Wind 260° @ 8 ktG15

6 USABLE · 6 AVOID · 2 CAUTION

WIND

260°8G15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 6 usable

27★ HDG 270° H8 kt X1 kt LEFT PRIMARY · 7,001'

22R HDG 220° H6 kt X5 kt RIGHT 7,864'

22L HDG 220° H6 kt X5 kt RIGHT 10,006'

32 HDG 320° H4 kt X7 kt LEFT 5,000'

33R HDG 330° H3 kt X8 kt LEFT ⚠ HIGH XW · 53%

33L HDG 330° H3 kt X8 kt LEFT ⚠ HIGH XW · 53%

TAILWIND ENDS · AVOID 6 ends

15L HDG 150° T3 kt X8 kt RIGHT —

15R HDG 150° T3 kt X8 kt RIGHT —

14 HDG 140° T4 kt X7 kt RIGHT —

04L HDG 040° T6 kt X5 kt LEFT —

04R HDG 040° T6 kt X5 kt LEFT —

09 HDG 090° T8 kt X1 kt RIGHT —

Pattern altitude: 1,020 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 +12°C

1,500FT

+1,480 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV20 FT OAT+27°C ISA DELTA+12°C PRESSURE ALT38 FT

// Performance equivalent Operating here right now feels like operating at KPSF (Pittsfield Municipal Airport, Pittsfield, elev 1,188 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

SCT085

Scattered · base 8,500 ft AGL · ~3–4 oktas

SCT055

Scattered · base 5,500 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER8,500 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL13,505 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

10:03ZSUNRISE

16:47ZSOLAR NOON

23:32ZSUNSET

00:01ZCIVIL END

CURRENT20:21Z DAYLIGHT REMAINING3h 10m VFR NIGHT BEGINS00:01Z (3h 40m) DAY LENGTH13h 29m

Waxing Gibbous

ILLUMINATION94% MOONRISE20:13Z MOONSET09:42Z FULL MOON IN2 days

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

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