// Station · 26m ago

KRDU

Raleigh-Durham International Airport

CAT VFR

WIND VRB / 4 kt

VIS 10+ SM

CEILING BKN at 25,000 ft

T/Td 28.9°C / 22.2°C

ALTIM 30.03 inHg

ELEV 435 FT

35.8787°N / 78.7873°W

LOCATION · Raleigh/Durham, US

WIND

VRB4 kt

KRDU · 435 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

VRB/4

VIS

10+ SM

CEILING

BKN250

LAYERS

FEW030 FEW120 SCT160 BKN250

T / Td

29 / 22

ALTIM

30.03"

// Interpretation

VFR — ceiling 25,000 ft. Light winds at variable/4 kt, visibility better than 10 statute miles, a few at 3,000 ft, a few at 12,000 ft, scattered at 16,000 ft, and broken at 25,000 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 KRDU 111451Z VRB04KT 10SM FEW030 FEW120 SCT160 BKN250 29/22 A3003 RMK AO2 SLP163 T02890222 51009 $

KRDU · day 11 at 14:51 UTC · wind variable at 4 kt · visibility 10+ SM · a few clouds at 3,000 ft · a few clouds at 12,000 ft · scattered layer at 16,000 ft · broken layer at 25,000 ft · temp 29°C / dewpoint 22°C · altimeter 30.03" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.3 mb

// 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 6 ends

05L HDG 050° —CALM —— 10,000'

23R HDG 230° —CALM —— 10,000'

05R HDG 050° —CALM —— 7,500'

23L HDG 230° —CALM —— 7,500'

14 HDG 140° —CALM —— 3,570'

32 HDG 320° —CALM —— 3,570'

Pattern altitude: 1,435 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 +15°C

2,100FT

+1,665 FT ABOVE FIELD ELEV

FIELD ELEV435 FT OAT+29°C ISA DELTA+15°C PRESSURE ALT323 FT

// Performance equivalent Operating here right now feels like operating at KAVL (Asheville Regional Airport, Asheville, elev 2,165 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+21%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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.

// Cloud layers · 4 reported · highest to lowest

// Reported layers (highest → lowest)

BKN250

Broken · base 25,000 ft AGL · ~5–7 oktas

SCT160

Scattered · base 16,000 ft AGL · ~3–4 oktas

FEW120

Few · base 12,000 ft AGL · ~1–2 oktas

FEW030

Few · base 3,000 ft AGL · ~1–2 oktas

// Computed

CEILING25,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~99% (overcast) FREEZING LEVEL15,031 ft VFR MARGIN+22,000 ft

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

10:08ZSUNRISE

17:21ZSOLAR NOON

00:34ZSUNSET

01:04ZCIVIL END

CURRENT15:17Z DAYLIGHT REMAINING9h 16m VFR NIGHT BEGINS01:04Z (9h 46m) DAY LENGTH14h 25m

Waning Crescent

ILLUMINATION11% MOONRISE07:34Z MOONSET22:00Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

KTTA

VFR

Raleigh Executive Jetport · Sanford

WIND: 270° / 7 kt
VIS: 10+ SM
CEILING: CLR
DIST: 23 NM SW
AGE: 22m ago

KLHZ

VFR

Triangle North Executive Airport · Louisburg

WIND: 270° / 6 kt
VIS: 10+ SM
CEILING: SCT033
DIST: 24 NM E
AGE: 22m ago

KTDF

VFR

Raleigh Regional Airport at Person County · Timberlake

WIND: 300° / 4 kt
VIS: 10+ SM
CEILING: CLR
DIST: 26 NM N
AGE: 22m ago

KJNX

VFR

Johnston Regional Airport · Smithfield

WIND: VRB / 5 kt
VIS: 10+ SM
CEILING: CLR
DIST: 28 NM SE
AGE: 22m ago

KHRJ

VFR

Harnett Regional Jetport Airport · Erwin

WIND: 270° / 7 kt
VIS: 10+ SM
CEILING: CLR
DIST: 30 NM S
AGE: 22m ago

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

AIRSPACE

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