// Station · 10m ago

DAAS

Ain Arnat Airport

CAT VFR

WIND 270° / 11 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 37°C / 4°C

ALTIM 30.12 inHg

ELEV 3,360 FT

36.1785°N / 5.3299°E

LOCATION · Sétif, DZ

WIND

270°11 kt

DAAS · 3,360 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

270°/11

VIS

6+ SM

CEILING

—

LAYERS

SCT030

T / Td

37 / 4

ALTIM

30.12"

// Interpretation

VFR with moderate winds at 270°/11 kt. Visibility 6+ SM and scattered at 3,000 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 DAAS 111600Z 27011KT 9999 SCT030 37/04 Q1020

DAAS · day 11 at 16:00 UTC · wind from 270° at 11 kt · visibility 6+ SM · scattered layer at 3,000 ft · temp 37°C / dewpoint 4°C · altimeter 30.12" Hg

// Runway analysis · computed from current METAR wind

Wind 270° @ 11 kt

1 USABLE · 1 AVOID

WIND

270°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

27★ HDG 270° H11 kt X0 kt — PRIMARY · 9,498'

TAILWIND ENDS · AVOID 1 ends

09 HDG 090° T11 kt X0 kt — —

Pattern altitude: 4,360 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 +28°C

6,600FT

+3,240 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV3,360 FT OAT+37°C ISA DELTA+28°C PRESSURE ALT3,159 FT

// Performance equivalent Your aircraft will perform as if it's at a field 6,600 ft high on a standard ISA day — that's +3,240 ft above DAAS's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+66%

-46%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+46%

-30%

Light jetCJ4, Phenom 300, M2

+26%

-20%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT030

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

// Computed

CEILING— HIGHEST LAYER3,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL22,047 ft VFR MARGINunlimited

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

04:31ZSUNRISE

11:45ZSOLAR NOON

18:59ZSUNSET

19:28ZCIVIL END

CURRENT16:10Z DAYLIGHT REMAINING2h 48m VFR NIGHT BEGINS19:28Z (3h 18m) DAY LENGTH14h 27m

Waning Crescent

ILLUMINATION11% MOONRISE01:59Z MOONSET16:27Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of DAAS.

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

AIRSPACE

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