// Station · 39m ago

EGJB

Guernsey Airport

CAT VFR

WIND 100° / 16 kt

VIS 6+ SM

CEILING CLR

T/Td 26°C / 11°C

ALTIM 30.12 inHg

ELEV 336 FT

49.4350°N / 2.6020°W

LOCATION · Saint Peter Port, GG

WIND

100°16 kt

EGJB · 336 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

100°/16

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

26 / 11

ALTIM

30.12"

// Interpretation

VFR with brisk winds at 100°/16 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 EGJB 122350Z 10016KT CAVOK 26/11 Q1020

EGJB · day 12 at 23:50 UTC · wind from 100° at 16 kt · visibility 6+ SM · temp 26°C / dewpoint 11°C · altimeter 30.12" Hg

// Runway analysis · computed from current METAR wind

Wind 100° @ 16 kt

1 USABLE · 1 AVOID

WIND

100°16 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

09★ HDG 090° H16 kt X3 kt RIGHT PRIMARY · 5,194'

TAILWIND ENDS · AVOID 1 ends

27 HDG 270° T16 kt X3 kt LEFT —

Pattern altitude: 1,336 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 +11°C

1,500FT

+1,164 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV336 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT135 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,500 ft high on a standard ISA day — that's +1,164 ft above EGJB's actual elevation.

// 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 · 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 LEVEL13,467 ft VFR MARGINunlimited

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

04:59ZSUNRISE

12:16ZSOLAR NOON

19:33ZSUNSET

20:09ZCIVIL END

CURRENT00:29Z DAYLIGHT REMAINING19h 04m VFR NIGHT BEGINS20:09Z (19h 40m) DAY LENGTH14h 34m

New Moon

ILLUMINATION0% MOONRISE04:44Z MOONSET19:18Z FULL MOON IN15 days

// Nearest reporting stations

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

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