// Station · 22m ago

KJGG

Williamsburg Jamestown Airport

CAT VFR

WIND VRB / 4 kt

VIS 6.0 SM

CEILING Few/scattered only

T/Td 23°C / 22.6°C

ALTIM 30.03 inHg

WX BR

ELEV 49 FT

37.2392°N / 76.7161°W

LOCATION · Williamsburg, US

WIND

VRB4 kt

KJGG · 49 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

VRB/4

VIS

6.0 SM

CEILING

—

LAYERS

FEW260

T / Td

23 / 23

ALTIM

30.03"

// Interpretation

VFR with light winds at variable/4 kt. Visibility 6.0 SM and a few at 26,000 ft. Reported weather: mist (BR). Mist is water droplets thinning visibility to between 5/8 and 6 SM — the moist, lighter cousin of fog. 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 KJGG 290055Z AUTO VRB04KT 6SM BR FEW260 23/23 A3003 RMK AO2 T02300226

KJGG · day 29 at 00:55 UTC · wind variable at 4 kt · visibility 6.0 SM · a few clouds at 26,000 ft · temp 23°C / dewpoint 23°C · altimeter 30.03" Hg · weather: mist (BR) · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind VRB @ 4 kt

ALL USABLE · WINDS CALM

WIND

VRB4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

13 HDG 130° —CALM —— 3,204'

31 HDG 310° —CALM —— 3,204'

Pattern altitude: 1,049 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

900FT

+851 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV49 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT-63 FT

// Performance equivalent Operating here right now feels like operating at KW45 (Luray Caverns Airport, Luray, elev 902 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+9%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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)

FEW260

Few · base 26,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER26,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,665 ft VFR MARGINunlimited

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

10:35ZSUNRISE

17:09ZSOLAR NOON

23:43ZSUNSET

00:10ZCIVIL END

CURRENT01:17Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:10Z (past) DAY LENGTH13h 08m

Waning Gibbous

ILLUMINATION99% MOONRISE23:22Z MOONSET12:30Z FULL MOON IN29 days

// Nearest reporting stations

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

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