// Station · 22m ago

DAOB

Abdelhafid Boussouf Bou Chekif Airport

CAT VFR

WIND 160° / 9 kt

VIS 6+ SM

CEILING CLR

T/Td 31°C / -1°C

ALTIM 30.09 inHg

ELEV 3,245 FT

35.3411°N / 1.4631°E

LOCATION · Tiaret, DZ

WIND

160°9 kt

DAOB · 3,245 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

160°/9

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

31 / -1

ALTIM

30.09"

// Interpretation

VFR with moderate winds at 160°/9 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 DAOB 252000Z 16009KT CAVOK 31/M01 Q1019

DAOB · day 25 at 20:00 UTC · wind from 160° at 9 kt · visibility 6+ SM · temp 31°C / dewpoint -1°C · altimeter 30.09" Hg

// Runway analysis · computed from current METAR wind

Wind 160° @ 9 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

160°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

08★ HDG 080° H2 kt X9 kt RIGHT PRIMARY · 9,843'

TAILWIND ENDS · AVOID 1 ends

26 HDG 260° T2 kt X9 kt LEFT —

Pattern altitude: 4,245 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 +22°C

5,700FT

+2,455 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +1,200 FT

24h AGO18h12h6hNOW

FIELD ELEV3,245 FT OAT+31°C ISA DELTA+22°C PRESSURE ALT3,074 FT

// Performance equivalent Your aircraft will perform as if it's at a field 5,700 ft high on a standard ISA day — that's +2,455 ft above DAOB's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+57%

-40%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+40%

-26%

Light jetCJ4, Phenom 300, M2

+23%

-17%

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 · 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 LEVEL18,902 ft VFR MARGINunlimited

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

05:22ZSUNRISE

11:57ZSOLAR NOON

18:33ZSUNSET

18:59ZCIVIL END

CURRENT20:22Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS18:59Z (past) DAY LENGTH13h 10m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:33Z MOONSET04:43Z 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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