// Station · 29m ago

KNRB

Naval Station Mayport / Admiral David L McDonald Field

CAT VFR

WIND 270° / 3 kt

VIS 10+ SM

CEILING BKN at 12,000 ft

T/Td 26.1°C / 24.4°C

ALTIM 30.01 inHg

WX -RA

ELEV 15 FT

30.3911°N / 81.4247°W

LOCATION · Jacksonville, US

WIND

270°3 kt

KNRB · 15 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

270°/3

VIS

10+ SM

CEILING

BKN120

LAYERS

SCT060 BKN120 OVC250

T / Td

26 / 24

ALTIM

30.01"

// Interpretation

VFR — ceiling 12,000 ft. Light winds at 270°/3 kt, visibility better than 10 statute miles, scattered at 6,000 ft, broken at 12,000 ft, and overcast at 25,000 ft. Reported weather: light rain (-RA). 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 KNRB 252352Z 27003KT 10SM -RA SCT060 BKN120 OVC250 26/24 A3001 RMK AO2 SLP161 6//// T02610244 10283 20250 53008 PNO $

KNRB · day 25 at 23:52 UTC · wind from 270° at 3 kt · visibility 10+ SM · scattered layer at 6,000 ft · broken layer at 12,000 ft · overcast at 25,000 ft · temp 26°C / dewpoint 24°C · altimeter 30.01" Hg · weather: light rain (-RA) · automated station w/ precipitation discriminator · sea-level pressure 1016.1 mb

// Runway analysis · computed from current METAR wind

Wind 270° @ 3 kt

ALL USABLE · WINDS CALM

WIND

270°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

05 HDG 050° —CALM —— 8,001'

23 HDG 230° —CALM —— 8,001'

Pattern altitude: 1,015 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

1,200FT

+1,185 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -300 FT

24h AGO18h12h6hNOW

FIELD ELEV15 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT-76 FT

// Performance equivalent Operating here right now feels like operating at KCTJ (West Georgia Regional Airport / O V Gray Field, Carrollton, elev 1,161 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC250

Overcast · base 25,000 ft AGL · 8 oktas

BKN120

Broken · base 12,000 ft AGL · ~5–7 oktas

SCT060

Scattered · base 6,000 ft AGL · ~3–4 oktas

// Computed

CEILING12,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,197 ft VFR MARGIN+9,000 ft

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

10:59ZSUNRISE

17:29ZSOLAR NOON

23:58ZSUNSET

00:23ZCIVIL END

CURRENT00:21Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:23Z (2m) DAY LENGTH12h 58m

Waxing Gibbous

ILLUMINATION95% MOONRISE21:18Z MOONSET10:17Z FULL MOON IN2 days

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

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