// Station · 21m ago

DAAS

Ain Arnat Airport

CAT VFR

WIND 190° / 8 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 33°C / 4°C

ALTIM 30.18 inHg

ELEV 3,360 FT

36.1785°N / 5.3299°E

LOCATION · Sétif, DZ

WIND

190°8 kt

DAAS · 3,360 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

190°/8

VIS

6+ SM

CEILING

—

LAYERS

FEW030

T / Td

33 / 4

ALTIM

30.18"

// Interpretation

VFR with moderate winds at 190°/8 kt. Visibility 6+ SM and a few 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 252000Z 19008KT 9999 FEW030 33/04 Q1022

DAAS · day 25 at 20:00 UTC · wind from 190° at 8 kt · visibility 6+ SM · a few clouds at 3,000 ft · temp 33°C / dewpoint 4°C · altimeter 30.18" Hg

// Runway analysis · computed from current METAR wind

Wind 190° @ 8 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

190°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

27★ HDG 270° H1 kt X8 kt LEFT PRIMARY · 9,498'

TAILWIND ENDS · AVOID 1 ends

09 HDG 090° T1 kt X8 kt RIGHT —

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 +24°C

6,000FT

+2,640 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV3,360 FT OAT+33°C ISA DELTA+24°C PRESSURE ALT3,100 FT

// Performance equivalent Your aircraft will perform as if it's at a field 6,000 ft high on a standard ISA day — that's +2,640 ft above DAAS's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+60%

-42%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+42%

-27%

Light jetCJ4, Phenom 300, M2

+24%

-18%

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)

FEW030

Few · base 3,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER3,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL20,027 ft VFR MARGINunlimited

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

05:05ZSUNRISE

11:42ZSOLAR NOON

18:18ZSUNSET

18:45ZCIVIL END

CURRENT20:21Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS18:45Z (past) DAY LENGTH13h 12m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:16Z MOONSET04:29Z FULL MOON IN2 days

// Nearest reporting stations

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

AIRSPACE

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