// Station · 22m ago

EGJB

Guernsey Airport

CAT VFR

WIND 100° / 5 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 22°C / 16°C

ALTIM 29.83 inHg

ELEV 336 FT

49.4350°N / 2.6020°W

LOCATION · Saint Peter Port, GG

WIND

100°5 kt

EGJB · 336 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

100°/5

VIS

6+ SM

CEILING

—

LAYERS

FEW035

T / Td

22 / 16

ALTIM

29.83"

// Interpretation

VFR with light winds at 100°/5 kt. Visibility 6+ SM and a few at 3,500 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 EGJB 251750Z 10005KT 9999 FEW035 22/16 Q1010

EGJB · day 25 at 17:50 UTC · wind from 100° at 5 kt · visibility 6+ SM · a few clouds at 3,500 ft · temp 22°C / dewpoint 16°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 100° @ 5 kt

1 USABLE · 1 AVOID

WIND

100°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

09★ HDG 090° H5 kt X1 kt RIGHT PRIMARY · 5,194'

TAILWIND ENDS · AVOID 1 ends

27 HDG 270° T5 kt X1 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 +8°C

1,400FT

+1,064 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV336 FT OAT+22°C ISA DELTA+8°C PRESSURE ALT431 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,400 ft high on a standard ISA day — that's +1,064 ft above EGJB's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+14%

-10%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+10%

-6%

Light jetCJ4, Phenom 300, M2

+6%

-4%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW035

Few · base 3,500 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER3,500 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,447 ft VFR MARGINunlimited

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

05:17ZSUNRISE

12:14ZSOLAR NOON

19:11ZSUNSET

19:45ZCIVIL END

CURRENT18:12Z DAYLIGHT REMAINING58m VFR NIGHT BEGINS19:45Z (1h 32m) DAY LENGTH13h 53m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:23Z MOONSET05:17Z 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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