// Station · 28m ago

YBAS

Alice Springs Airport

CAT VFR

WIND 330° / 4 kt

VIS 6+ SM

CEILING CLR

T/Td 9°C / 6°C

ALTIM 30.18 inHg

ELEV 1,789 FT

23.8066°S / 133.9034°E

LOCATION · Alice Springs, AU

WIND

330°4 kt

YBAS · 1,789 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

330°/4

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

9 / 6

ALTIM

30.18"

// Interpretation

VFR with light winds at 330°/4 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 YBAS 111330Z AUTO 33004KT 280V340 9999 // NCD 09/06 Q1022

YBAS · day 11 at 13:30 UTC · wind from 330° at 4 kt · visibility 6+ SM · temp 9°C / dewpoint 6°C · altimeter 30.18" Hg

// Runway analysis · computed from current METAR wind

Wind 330° @ 4 kt

ALL USABLE · WINDS CALM

WIND

330°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

12 HDG 120° —CALM —— 7,999'

30 HDG 300° —CALM —— 7,999'

17 HDG 170° —CALM —— 3,717'

35 HDG 350° —CALM —— 3,717'

Pattern altitude: 2,789 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 -3°C

1,200FT

-589 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↗ +300 FT

24h AGO18h12h6hNOW

FIELD ELEV1,789 FT OAT+9°C ISA DELTA-3°C PRESSURE ALT1,529 FT

// Performance equivalent Operating here right now feels like operating at YTNK (Tennant Creek Airport, Tennant Creek, elev 1,236 ft) on a standard ISA day.

// Aircraft performance impact MINOR

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.

// 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 LEVEL6,334 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+9)

21:48ZSUNRISE

03:10ZSOLAR NOON

08:33ZSUNSET

08:57ZCIVIL END

CURRENT13:58Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS08:57Z (past) DAY LENGTH10h 45m

Waning Crescent

ILLUMINATION11% MOONRISE19:11Z MOONSET05:56Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 200 NM (very sparse)

YAYE

VFR

Ayers Rock Connellan Airport · Yulara

WIND: 190° / 5 kt
VIS: 6+ SM
CEILING: CLR
DIST: 180 NM SW
AGE: 28m ago

// Area map · 200 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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