// Station · 16m ago

DABS

Cheikh Larbi Tébessi Airport

CAT VFR

WIND 230° / 9 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 40°C / 5°C

ALTIM 30.12 inHg

ELEV 2,661 FT

35.4316°N / 8.1207°E

LOCATION · Tébessi, DZ

WIND

230°9 kt

DABS · 2,661 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

230°/9

VIS

6+ SM

CEILING

—

LAYERS

FEW033

T / Td

40 / 5

ALTIM

30.12"

// Interpretation

VFR with moderate winds at 230°/9 kt. Visibility 6+ SM and a few at 3,300 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 DABS 251600Z 23009KT 9999 FEW033 40/05 Q1020

DABS · day 25 at 16:00 UTC · wind from 230° at 9 kt · visibility 6+ SM · a few clouds at 3,300 ft · temp 40°C / dewpoint 5°C · altimeter 30.12" Hg

// Runway analysis · computed from current METAR wind

Wind 230° @ 9 kt

2 USABLE · 2 AVOID · 2 CAUTION

WIND

230°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

29★ HDG 290° H5 kt X8 kt LEFT PRIMARY · 9,843'

30 HDG 300° H3 kt X8 kt LEFT ⚠ HIGH XW · 89%

TAILWIND ENDS · AVOID 2 ends

12 HDG 120° T3 kt X8 kt RIGHT —

11 HDG 110° T4 kt X8 kt RIGHT —

Pattern altitude: 3,661 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 +30°C

6,000FT

+3,339 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV2,661 FT OAT+40°C ISA DELTA+30°C PRESSURE ALT2,460 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 +3,339 ft above DABS's actual elevation.

// Aircraft performance impact DANGEROUS

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)

FEW033

Few · base 3,300 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER3,300 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL22,863 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

04:55ZSUNRISE

11:31ZSOLAR NOON

18:06ZSUNSET

18:33ZCIVIL END

CURRENT16:16Z DAYLIGHT REMAINING1h 50m VFR NIGHT BEGINS18:33Z (2h 16m) DAY LENGTH13h 10m

Waxing Gibbous

ILLUMINATION94% MOONRISE14:58Z MOONSET04:09Z FULL MOON IN2 days

// Nearest reporting stations

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

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