// Station · 15m ago

GQNO

Nouakchott–Oumtounsy International Airport

CAT MVFR

WIND 220° / 7 kt

VIS 4.3 SM

CEILING Few/scattered only

T/Td 25°C / 22°C

ALTIM 29.91 inHg

WX -TSRA

ELEV 9 FT

18.3100°N / 15.9697°W

LOCATION · Nouakchott, MR

WIND

220°7 kt

GQNO · 9 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

220°/7

VIS

4.3 SM

CEILING

—

LAYERS

FEW023 FEW040

T / Td

25 / 22

ALTIM

29.91"

// Interpretation

MVFR — visibility 4.3 SM. Light winds at 220°/7 kt, visibility 4.3 SM, a few at 2,300 ft, and a few at 4,000 ft. Reported weather: thunderstorm with light rain (-TSRA). Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR GQNO 251800Z 22007KT 180V240 7000 -TSRA FEW023 FEW040CB 25/22 Q1013 NOSIG

GQNO · day 25 at 18:00 UTC · wind from 220° at 7 kt · visibility 4.3 SM · a few clouds at 2,300 ft · a few clouds at 4,000 ft · temp 25°C / dewpoint 22°C · altimeter 29.91" Hg · weather: thunderstorm with light rain (-TSRA)

// Runway analysis · computed from current METAR wind

Wind 220° @ 7 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

220°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

24★ HDG 240° H7 kt X2 kt LEFT PRIMARY · 7,875'

16 HDG 160° H4 kt X6 kt RIGHT ⚠ HIGH XW · 86%

TAILWIND ENDS · AVOID 2 ends

34 HDG 340° T3 kt X6 kt LEFT —

06 HDG 060° T7 kt X2 kt RIGHT —

Pattern altitude: 1,009 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 +10°C

1,200FT

+1,191 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV9 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT15 FT

// Performance equivalent Operating here right now feels like operating at GQND (Tidjikja Airport, Tidjikja, elev 1,342 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

FEW040

Few · base 4,000 ft AGL · ~1–2 oktas

FEW023

Few · base 2,300 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER4,000 ft TOTAL COVERAGE~23% (sparse) FREEZING LEVEL12,635 ft VFR MARGINunlimited

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

06:49ZSUNRISE

13:07ZSOLAR NOON

19:25ZSUNSET

19:47ZCIVIL END

CURRENT18:15Z DAYLIGHT REMAINING1h 10m VFR NIGHT BEGINS19:47Z (1h 32m) DAY LENGTH12h 36m

Waxing Gibbous

ILLUMINATION94% MOONRISE16:55Z MOONSET05:32Z FULL MOON IN2 days

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

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