// Station · 53m ago

DRRN

Diori Hamani International Airport

CAT IFR

WIND 210° / 4 kt

VIS 2.6 SM

CEILING CLR

T/Td 30°C / 22°C

ALTIM 29.85 inHg

WX DU

ELEV 732 FT

13.4815°N / 2.1836°E

LOCATION · Niamey, NE

WIND

210°4 kt

DRRN · 732 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

210°/4

VIS

2.6 SM

CEILING

CLR

LAYERS

—

T / Td

30 / 22

ALTIM

29.85"

// Interpretation

IFR conditions — visibility 2.6 SM. Light winds at 210°/4 kt, visibility 2.6 SM, no reported cloud layers. Reported weather: widespread dust (DU). Widespread dust reduces visibility and signals dry, unstable, or windy conditions upstream. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR DRRN 130100Z 21004KT 4200 DU NSC 30/22 Q1011 NOSIG

DRRN · day 13 at 01:00 UTC · wind from 210° at 4 kt · visibility 2.6 SM · temp 30°C / dewpoint 22°C · altimeter 29.85" Hg · weather: widespread dust (DU)

// Runway analysis · computed from current METAR wind

Wind 210° @ 4 kt

ALL USABLE · WINDS CALM

WIND

210°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

09L HDG 090° —CALM —— 10,499'

27R HDG 270° —CALM —— 10,499'

09R HDG 090° —CALM —— 9,843'

27L HDG 270° —CALM —— 9,843'

Pattern altitude: 1,732 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 +17°C

2,800FT

+2,068 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV732 FT OAT+30°C ISA DELTA+17°C PRESSURE ALT797 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,800 ft high on a standard ISA day — that's +2,068 ft above DRRN's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+28%

-20%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+20%

-13%

Light jetCJ4, Phenom 300, M2

+11%

-8%

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 LEVEL15,884 ft VFR MARGINunlimited

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

05:42ZSUNRISE

11:38ZSOLAR NOON

17:34ZSUNSET

17:56ZCIVIL END

CURRENT01:53Z DAYLIGHT REMAINING15h 41m VFR NIGHT BEGINS17:56Z (16h 02m) DAY LENGTH11h 52m

Waxing Crescent

ILLUMINATION3% MOONRISE07:05Z MOONSET18:57Z FULL MOON IN13 days

// Nearest reporting stations

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

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